tests: add IS-IS classic LFA topotest

This new topotest comprises of 13 testing steps and tests essentially
all implemented LFA knobs.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2020-11-20 12:43:27 -03:00
parent c8a4f33195
commit 66e5fbe08f
42 changed files with 3893 additions and 0 deletions

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@ -0,0 +1,52 @@
password 1
hostname rt1
log file isisd.log
!
debug isis events
debug isis route-events
debug isis spf-events
debug isis lsp-gen
!
interface lo
ipv6 router isis 1
isis passive
!
interface eth-rt2
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt3
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt4
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt5
ipv6 router isis 1
isis metric 20
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt6
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
router isis 1
net 49.0000.0000.0000.0001.00
is-type level-1
lsp-gen-interval 2
topology ipv6-unicast
!fast-reroute lfa tiebreaker node-protecting index 10
!fast-reroute lfa tiebreaker downstream index 20
!fast-reroute lfa tiebreaker lowest-backup-metric index 30

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@ -0,0 +1,236 @@
{
"2001:db8:1000::2\/128":[
{
"prefix":"2001:db8:1000::2\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
0,
1,
2
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true
}
]
}
],
"2001:db8:1000::3\/128":[
{
"prefix":"2001:db8:1000::3\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true,
"backupIndex":[
0,
1
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
}
]
}
],
"2001:db8:1000::4\/128":[
{
"prefix":"2001:db8:1000::4\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt4",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
}
]
}
],
"2001:db8:1000::5\/128":[
{
"prefix":"2001:db8:1000::5\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true,
"backupIndex":[
0,
1,
2,
3
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt4",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true
}
]
}
],
"2001:db8:1000::6\/128":[
{
"prefix":"2001:db8:1000::6\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true,
"backupIndex":[
0,
1
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
}
]
}
],
"2001:db8:1000::7\/128":[
{
"prefix":"2001:db8:1000::7\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
0,
1,
2,
3
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt4",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true
}
]
}
]
}

View File

@ -0,0 +1,101 @@
{
"frr-interface:lib": {
"interface": [
{
"name": "eth-rt2",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0002",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt3",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0003",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt4",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0004",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt5",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0005",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt6",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0006",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
}
]
}
}

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@ -0,0 +1,46 @@
--- a/rt1/step9/show_ipv6_route.ref
+++ b/rt1/step10/show_ipv6_route.ref
@@ -16,7 +16,8 @@
"active":true,
"backupIndex":[
0,
- 1
+ 1,
+ 2
]
}
],
@@ -30,6 +31,11 @@
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
}
]
}
@@ -198,7 +204,8 @@
"backupIndex":[
0,
1,
- 2
+ 2,
+ 3
]
}
],
@@ -217,6 +224,11 @@
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
}
]
}

View File

@ -0,0 +1,23 @@
--- a/rt1/step10/show_ipv6_route.ref
+++ b/rt1/step11/show_ipv6_route.ref
@@ -204,19 +204,13 @@
"backupIndex":[
0,
1,
- 2,
- 3
+ 2
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
"interfaceName":"eth-rt4",
"active":true
},

View File

@ -0,0 +1,107 @@
--- a/rt1/step11/show_ipv6_route.ref
+++ b/rt1/step12/show_ipv6_route.ref
@@ -15,9 +15,7 @@
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
- 0,
- 1,
- 2
+ 0
]
}
],
@@ -26,16 +24,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
- "active":true
}
]
}
@@ -56,8 +44,7 @@
"interfaceName":"eth-rt3",
"active":true,
"backupIndex":[
- 0,
- 1
+ 0
]
}
],
@@ -66,11 +53,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
}
]
}
@@ -120,10 +102,7 @@
"interfaceName":"eth-rt5",
"active":true,
"backupIndex":[
- 0,
- 1,
- 2,
- 3
+ 0
]
}
],
@@ -132,21 +111,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
- "active":true
}
]
}
@@ -203,19 +167,13 @@
"active":true,
"backupIndex":[
0,
- 1,
- 2
+ 1
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
},

View File

@ -0,0 +1,45 @@
--- a/rt1/step12/show_ipv6_route.ref
+++ b/rt1/step13/show_ipv6_route.ref
@@ -131,8 +131,7 @@
"interfaceName":"eth-rt6",
"active":true,
"backupIndex":[
- 0,
- 1
+ 0
]
}
],
@@ -141,11 +140,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
}
]
}
@@ -166,19 +160,13 @@
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
- 0,
- 1
+ 0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true
}

View File

@ -0,0 +1,164 @@
--- a/rt1/step1/show_ipv6_route.ref
+++ b/rt1/step2/show_ipv6_route.ref
@@ -13,28 +13,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
- "active":true,
- "backupIndex":[
- 0,
- 1,
- 2
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
"active":true
}
]
@@ -54,22 +32,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt3",
- "active":true,
- "backupIndex":[
- 0,
- 1
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt2",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
"active":true
}
]
@@ -89,16 +51,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt4",
- "active":true,
- "backupIndex":[
- 0
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
"active":true
}
]
@@ -118,34 +70,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt5",
- "active":true,
- "backupIndex":[
- 0,
- 1,
- 2,
- 3
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt2",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
"active":true
}
]
@@ -165,22 +89,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt6",
- "active":true,
- "backupIndex":[
- 0,
- 1
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt2",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
"active":true
}
]
@@ -200,34 +108,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
- "active":true,
- "backupIndex":[
- 0,
- 1,
- 2,
- 3
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
"active":true
}
]

View File

@ -0,0 +1,164 @@
--- a/rt1/step2/show_ipv6_route.ref
+++ b/rt1/step3/show_ipv6_route.ref
@@ -13,6 +13,28 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
"active":true
}
]
@@ -32,6 +54,22 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
"active":true
}
]
@@ -51,6 +89,16 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt4",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
"active":true
}
]
@@ -70,6 +118,34 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt5",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2,
+ 3
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
"active":true
}
]
@@ -89,6 +165,22 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt6",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
"active":true
}
]
@@ -108,6 +200,34 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2,
+ 3
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
"active":true
}
]

View File

@ -0,0 +1,142 @@
--- a/rt1/step3/show_ipv6_route.ref
+++ b/rt1/step4/show_ipv6_route.ref
@@ -15,9 +15,7 @@
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
- 0,
- 1,
- 2
+ 0
]
}
],
@@ -26,16 +24,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
- "active":true
}
]
}
@@ -56,8 +44,7 @@
"interfaceName":"eth-rt3",
"active":true,
"backupIndex":[
- 0,
- 1
+ 0
]
}
],
@@ -66,11 +53,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
}
]
}
@@ -120,10 +102,7 @@
"interfaceName":"eth-rt5",
"active":true,
"backupIndex":[
- 0,
- 1,
- 2,
- 3
+ 0
]
}
],
@@ -132,21 +111,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
- "active":true
}
]
}
@@ -167,8 +131,7 @@
"interfaceName":"eth-rt6",
"active":true,
"backupIndex":[
- 0,
- 1
+ 0
]
}
],
@@ -177,11 +140,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
}
]
}
@@ -202,10 +160,7 @@
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
- 0,
- 1,
- 2,
- 3
+ 0
]
}
],
@@ -214,21 +169,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
- "active":true
}
]
}

View File

@ -0,0 +1,142 @@
--- a/rt1/step4/show_ipv6_route.ref
+++ b/rt1/step5/show_ipv6_route.ref
@@ -15,7 +15,9 @@
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
- 0
+ 0,
+ 1,
+ 2
]
}
],
@@ -24,6 +26,16 @@
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
}
]
}
@@ -44,7 +56,8 @@
"interfaceName":"eth-rt3",
"active":true,
"backupIndex":[
- 0
+ 0,
+ 1
]
}
],
@@ -53,6 +66,11 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
}
]
}
@@ -102,7 +120,10 @@
"interfaceName":"eth-rt5",
"active":true,
"backupIndex":[
- 0
+ 0,
+ 1,
+ 2,
+ 3
]
}
],
@@ -111,6 +132,21 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
}
]
}
@@ -131,7 +167,8 @@
"interfaceName":"eth-rt6",
"active":true,
"backupIndex":[
- 0
+ 0,
+ 1
]
}
],
@@ -140,6 +177,11 @@
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
}
]
}
@@ -160,7 +202,10 @@
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
- 0
+ 0,
+ 1,
+ 2,
+ 3
]
}
],
@@ -169,6 +214,21 @@
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
+ "active":true
}
]
}

View File

@ -0,0 +1,164 @@
--- a/rt1/step5/show_ipv6_route.ref
+++ b/rt1/step6/show_ipv6_route.ref
@@ -13,28 +13,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
- "active":true,
- "backupIndex":[
- 0,
- 1,
- 2
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
"active":true
}
]
@@ -54,22 +32,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt3",
- "active":true,
- "backupIndex":[
- 0,
- 1
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt2",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
"active":true
}
]
@@ -89,16 +51,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt4",
- "active":true,
- "backupIndex":[
- 0
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
"active":true
}
]
@@ -118,34 +70,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt5",
- "active":true,
- "backupIndex":[
- 0,
- 1,
- 2,
- 3
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt2",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
"active":true
}
]
@@ -165,22 +89,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt6",
- "active":true,
- "backupIndex":[
- 0,
- 1
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt2",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
"active":true
}
]
@@ -200,34 +108,6 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
- "active":true,
- "backupIndex":[
- 0,
- 1,
- 2,
- 3
- ]
- }
- ],
- "backupNexthops":[
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt3",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt4",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt5",
- "active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
"active":true
}
]

View File

@ -0,0 +1,37 @@
--- a/rt1/step6/show_ipv6_route.ref
+++ b/rt1/step7/show_ipv6_route.ref
@@ -108,6 +108,34 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2,
+ 3
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
"active":true
}
]

View File

@ -0,0 +1,129 @@
--- a/rt1/step7/show_ipv6_route.ref
+++ b/rt1/step8/show_ipv6_route.ref
@@ -13,6 +13,28 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
"active":true
}
]
@@ -32,6 +54,22 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt3",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
"active":true
}
]
@@ -51,6 +89,16 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt4",
+ "active":true,
+ "backupIndex":[
+ 0
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
"active":true
}
]
@@ -70,6 +118,34 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt5",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1,
+ 2,
+ 3
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt3",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt4",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt6",
"active":true
}
]
@@ -89,6 +165,22 @@
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt6",
+ "active":true,
+ "backupIndex":[
+ 0,
+ 1
+ ]
+ }
+ ],
+ "backupNexthops":[
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt2",
+ "active":true
+ },
+ {
+ "afi":"ipv6",
+ "interfaceName":"eth-rt5",
"active":true
}
]

View File

@ -0,0 +1,46 @@
--- a/rt1/step8/show_ipv6_route.ref
+++ b/rt1/step9/show_ipv6_route.ref
@@ -16,8 +16,7 @@
"active":true,
"backupIndex":[
0,
- 1,
- 2
+ 1
]
}
],
@@ -31,11 +30,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
- "active":true
}
]
}
@@ -204,8 +198,7 @@
"backupIndex":[
0,
1,
- 2,
- 3
+ 2
]
}
],
@@ -224,11 +217,6 @@
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
- },
- {
- "afi":"ipv6",
- "interfaceName":"eth-rt6",
- "active":true
}
]
}

View File

@ -0,0 +1,16 @@
log file zebra.log
!
hostname rt1
!
debug zebra kernel
debug zebra packet
debug zebra mpls
!
interface lo
ip address 1.1.1.1/32
ipv6 address 2001:db8:1000::1/128
!
ip forwarding
!
line vty
!

View File

@ -0,0 +1,39 @@
password 1
hostname rt2
log file isisd.log
!
debug isis events
debug isis route-events
debug isis spf-events
debug isis lsp-gen
!
interface lo
ipv6 router isis 1
isis passive
!
interface eth-rt1
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt3
ipv6 router isis 1
isis metric 5
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt7
ipv6 router isis 1
isis metric 5
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
router isis 1
net 49.0000.0000.0000.0002.00
is-type level-1
lsp-gen-interval 2
topology ipv6-unicast
!

View File

@ -0,0 +1,162 @@
{
"2001:db8:1000::1\/128":[
{
"prefix":"2001:db8:1000::1\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
}
]
}
],
"2001:db8:1000::3\/128":[
{
"prefix":"2001:db8:1000::3\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":15,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::4\/128":[
{
"prefix":"2001:db8:1000::4\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::5\/128":[
{
"prefix":"2001:db8:1000::5\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::6\/128":[
{
"prefix":"2001:db8:1000::6\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::7\/128":[
{
"prefix":"2001:db8:1000::7\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":15,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
]
}

View File

@ -0,0 +1,63 @@
{
"frr-interface:lib": {
"interface": [
{
"name": "eth-rt1",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0001",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt3",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0003",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt7",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0007",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
}
]
}
}

View File

@ -0,0 +1,16 @@
log file zebra.log
!
hostname rt2
!
debug zebra kernel
debug zebra packet
debug zebra mpls
!
interface lo
ip address 2.2.2.2/32
ipv6 address 2001:db8:1000::2/128
!
ip forwarding
!
line vty
!

View File

@ -0,0 +1,38 @@
password 1
hostname rt3
log file isisd.log
!
debug isis events
debug isis route-events
debug isis spf-events
debug isis lsp-gen
!
interface lo
ipv6 router isis 1
isis passive
!
interface eth-rt1
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt2
ipv6 router isis 1
isis metric 5
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt7
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
router isis 1
net 49.0000.0000.0000.0003.00
is-type level-1
lsp-gen-interval 2
topology ipv6-unicast
!

View File

@ -0,0 +1,188 @@
{
"2001:db8:1000::1\/128":[
{
"prefix":"2001:db8:1000::1\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0,
1
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::2\/128":[
{
"prefix":"2001:db8:1000::2\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":15,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
0,
1
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::4\/128":[
{
"prefix":"2001:db8:1000::4\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0,
1
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::5\/128":[
{
"prefix":"2001:db8:1000::5\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::6\/128":[
{
"prefix":"2001:db8:1000::6\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::7\/128":[
{
"prefix":"2001:db8:1000::7\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
]
}

View File

@ -0,0 +1,63 @@
{
"frr-interface:lib": {
"interface": [
{
"name": "eth-rt1",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0001",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt2",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0002",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt7",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0007",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
}
]
}
}

View File

@ -0,0 +1,16 @@
log file zebra.log
!
hostname rt3
!
debug zebra kernel
debug zebra packet
debug zebra mpls
!
interface lo
ip address 3.3.3.3/32
ipv6 address 2001:db8:1000::3/128
!
ip forwarding
!
line vty
!

View File

@ -0,0 +1,32 @@
password 1
hostname rt4
log file isisd.log
!
debug isis events
debug isis route-events
debug isis spf-events
debug isis lsp-gen
!
interface lo
ipv6 router isis 1
isis passive
!
interface eth-rt1
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt7
ipv6 router isis 1
isis metric 15
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
router isis 1
net 49.0000.0000.0000.0004.00
is-type level-1
lsp-gen-interval 2
topology ipv6-unicast
!

View File

@ -0,0 +1,172 @@
{
"2001:db8:1000::1\/128":[
{
"prefix":"2001:db8:1000::1\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::2\/128":[
{
"prefix":"2001:db8:1000::2\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::3\/128":[
{
"prefix":"2001:db8:1000::3\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::5\/128":[
{
"prefix":"2001:db8:1000::5\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":35,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::6\/128":[
{
"prefix":"2001:db8:1000::6\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::7\/128":[
{
"prefix":"2001:db8:1000::7\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
]
}

View File

@ -0,0 +1,44 @@
{
"frr-interface:lib": {
"interface": [
{
"name": "eth-rt1",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0001",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt7",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0007",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
}
]
}
}

View File

@ -0,0 +1,16 @@
log file zebra.log
!
hostname rt4
!
debug zebra kernel
debug zebra packet
debug zebra mpls
!
interface lo
ip address 4.4.4.4/32
ipv6 address 2001:db8:1000::4/128
!
ip forwarding
!
line vty
!

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@ -0,0 +1,32 @@
password 1
hostname rt5
log file isisd.log
!
debug isis events
debug isis route-events
debug isis spf-events
debug isis lsp-gen
!
interface lo
ipv6 router isis 1
isis passive
!
interface eth-rt1
ipv6 router isis 1
isis metric 20
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt7
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
router isis 1
net 49.0000.0000.0000.0005.00
is-type level-1
lsp-gen-interval 2
topology ipv6-unicast
!

View File

@ -0,0 +1,176 @@
{
"2001:db8:1000::1\/128":[
{
"prefix":"2001:db8:1000::1\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::2\/128":[
{
"prefix":"2001:db8:1000::2\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::3\/128":[
{
"prefix":"2001:db8:1000::3\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::4\/128":[
{
"prefix":"2001:db8:1000::4\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":35,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::6\/128":[
{
"prefix":"2001:db8:1000::6\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::7\/128":[
{
"prefix":"2001:db8:1000::7\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
]
}

View File

@ -0,0 +1,44 @@
{
"frr-interface:lib": {
"interface": [
{
"name": "eth-rt1",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0001",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt7",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0007",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
}
]
}
}

View File

@ -0,0 +1,16 @@
log file zebra.log
!
hostname rt5
!
debug zebra kernel
debug zebra packet
debug zebra mpls
!
interface lo
ip address 5.5.5.5/32
ipv6 address 2001:db8:1000::5/128
!
ip forwarding
!
line vty
!

View File

@ -0,0 +1,31 @@
password 1
hostname rt6
log file isisd.log
!
debug isis events
debug isis route-events
debug isis spf-events
debug isis lsp-gen
!
interface lo
ipv6 router isis 1
isis passive
!
interface eth-rt1
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt7
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
router isis 1
net 49.0000.0000.0000.0006.00
is-type level-1
lsp-gen-interval 2
topology ipv6-unicast
!

View File

@ -0,0 +1,172 @@
{
"2001:db8:1000::1\/128":[
{
"prefix":"2001:db8:1000::1\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::2\/128":[
{
"prefix":"2001:db8:1000::2\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::3\/128":[
{
"prefix":"2001:db8:1000::3\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::4\/128":[
{
"prefix":"2001:db8:1000::4\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true
}
]
}
],
"2001:db8:1000::5\/128":[
{
"prefix":"2001:db8:1000::5\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":30,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
],
"2001:db8:1000::7\/128":[
{
"prefix":"2001:db8:1000::7\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt7",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt1",
"active":true
}
]
}
]
}

View File

@ -0,0 +1,44 @@
{
"frr-interface:lib": {
"interface": [
{
"name": "eth-rt1",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0001",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt7",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0007",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
}
]
}
}

View File

@ -0,0 +1,16 @@
log file zebra.log
!
hostname rt6
!
debug zebra kernel
debug zebra packet
debug zebra mpls
!
interface lo
ip address 6.6.6.6/32
ipv6 address 2001:db8:1000::6/128
!
ip forwarding
!
line vty
!

View File

@ -0,0 +1,51 @@
password 1
hostname rt6
log file isisd.log
!
debug isis events
debug isis route-events
debug isis spf-events
debug isis lsp-gen
!
interface lo
ipv6 router isis 1
isis passive
!
interface eth-rt2
ipv6 router isis 1
isis metric 5
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt3
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt4
ipv6 router isis 1
isis metric 15
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt5
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
interface eth-rt6
ipv6 router isis 1
isis network point-to-point
isis hello-multiplier 3
isis fast-reroute lfa
!
router isis 1
net 49.0000.0000.0000.0007.00
is-type level-1
lsp-gen-interval 2
topology ipv6-unicast
!

View File

@ -0,0 +1,186 @@
{
"2001:db8:1000::1\/128":[
{
"prefix":"2001:db8:1000::1\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
0,
1,
2,
3
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt4",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true
}
]
}
],
"2001:db8:1000::2\/128":[
{
"prefix":"2001:db8:1000::2\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":15,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
}
]
}
],
"2001:db8:1000::3\/128":[
{
"prefix":"2001:db8:1000::3\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
},
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt2",
"active":true
}
]
}
],
"2001:db8:1000::4\/128":[
{
"prefix":"2001:db8:1000::4\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":25,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt4",
"active":true,
"backupIndex":[
0,
1
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt3",
"active":true
},
{
"afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true
}
]
}
],
"2001:db8:1000::5\/128":[
{
"prefix":"2001:db8:1000::5\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt5",
"active":true
}
]
}
],
"2001:db8:1000::6\/128":[
{
"prefix":"2001:db8:1000::6\/128",
"protocol":"isis",
"selected":true,
"destSelected":true,
"distance":115,
"metric":20,
"installed":true,
"nexthops":[
{
"fib":true,
"afi":"ipv6",
"interfaceName":"eth-rt6",
"active":true,
"backupIndex":[
0
]
}
],
"backupNexthops":[
{
"afi":"ipv6",
"interfaceName":"eth-rt4",
"active":true
}
]
}
]
}

View File

@ -0,0 +1,101 @@
{
"frr-interface:lib": {
"interface": [
{
"name": "eth-rt2",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0002",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt3",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0003",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt4",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0004",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt5",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0005",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
},
{
"name": "eth-rt6",
"vrf": "default",
"state": {
"frr-isisd:isis": {
"adjacencies": {
"adjacency": [
{
"neighbor-sys-type": "level-1",
"neighbor-sysid": "0000.0000.0006",
"hold-timer": 9,
"neighbor-priority": 0,
"state": "up"
}
]
}
}
}
}
]
}
}

View File

@ -0,0 +1,16 @@
log file zebra.log
!
hostname rt7
!
debug zebra kernel
debug zebra packet
debug zebra mpls
!
interface lo
ip address 7.7.7.7/32
ipv6 address 2001:db8:1000::7/128
!
ip forwarding
!
line vty
!

View File

@ -0,0 +1,545 @@
#!/usr/bin/env python
#
# test_isis_tilfa_topo1.py
# Part of NetDEF Topology Tests
#
# Copyright (c) 2020 by
# Network Device Education Foundation, Inc. ("NetDEF")
#
# Permission to use, copy, modify, and/or distribute this software
# for any purpose with or without fee is hereby granted, provided
# that the above copyright notice and this permission notice appear
# in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
# OF THIS SOFTWARE.
#
"""
test_isis_lfa_topo1.py:
+---------+
| |
+--------------------------------+ RT1 +-------------------------------+
| +-------------+ +-------------+ |
| | | | | |
| | +----+----+ | |
| | | |20 |
| | | | |
| | | | |
+----+----+ +----+----+ +----+----+ +----+----+ +----+----+
| | | | | | | | | |
| RT2 | 5 | RT3 | | RT4 | | RT5 | | RT6 |
| +--------+ | | | | | | |
| | | | | | | | | |
+----+----+ +----+----+ +----+----+ +----+----+ +----+----+
| | | | |
| | |15 | |
|5 | | | |
| | +----+----+ | |
| | | | | |
| +-------------+ RT7 +-------------+ |
+--------------------------------+ +-------------------------------+
| |
+---------+
"""
import os
import sys
import pytest
import json
import re
import tempfile
from time import sleep
from functools import partial
# Save the Current Working Directory to find configuration files.
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, '../'))
# pylint: disable=C0413
# Import topogen and topotest helpers
from lib import topotest
from lib.topogen import Topogen, TopoRouter, get_topogen
from lib.topolog import logger
# Required to instantiate the topology builder class.
from mininet.topo import Topo
# Global multi-dimensional dictionary containing all expected outputs
outputs = {}
class TemplateTopo(Topo):
"Test topology builder"
def build(self, *_args, **_opts):
"Build function"
tgen = get_topogen(self)
#
# Define FRR Routers
#
for router in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
tgen.add_router(router)
#
# Define connections
#
switch = tgen.add_switch('s1')
switch.add_link(tgen.gears['rt1'], nodeif="eth-rt2")
switch.add_link(tgen.gears['rt2'], nodeif="eth-rt1")
switch = tgen.add_switch('s2')
switch.add_link(tgen.gears['rt2'], nodeif="eth-rt3")
switch.add_link(tgen.gears['rt3'], nodeif="eth-rt2")
switch = tgen.add_switch('s3')
switch.add_link(tgen.gears['rt1'], nodeif="eth-rt3")
switch.add_link(tgen.gears['rt3'], nodeif="eth-rt1")
switch = tgen.add_switch('s4')
switch.add_link(tgen.gears['rt1'], nodeif="eth-rt4")
switch.add_link(tgen.gears['rt4'], nodeif="eth-rt1")
switch = tgen.add_switch('s5')
switch.add_link(tgen.gears['rt1'], nodeif="eth-rt5")
switch.add_link(tgen.gears['rt5'], nodeif="eth-rt1")
switch = tgen.add_switch('s6')
switch.add_link(tgen.gears['rt1'], nodeif="eth-rt6")
switch.add_link(tgen.gears['rt6'], nodeif="eth-rt1")
switch = tgen.add_switch('s7')
switch.add_link(tgen.gears['rt2'], nodeif="eth-rt7")
switch.add_link(tgen.gears['rt7'], nodeif="eth-rt2")
switch = tgen.add_switch('s8')
switch.add_link(tgen.gears['rt3'], nodeif="eth-rt7")
switch.add_link(tgen.gears['rt7'], nodeif="eth-rt3")
switch = tgen.add_switch('s9')
switch.add_link(tgen.gears['rt4'], nodeif="eth-rt7")
switch.add_link(tgen.gears['rt7'], nodeif="eth-rt4")
switch = tgen.add_switch('s10')
switch.add_link(tgen.gears['rt5'], nodeif="eth-rt7")
switch.add_link(tgen.gears['rt7'], nodeif="eth-rt5")
switch = tgen.add_switch('s11')
switch.add_link(tgen.gears['rt6'], nodeif="eth-rt7")
switch.add_link(tgen.gears['rt7'], nodeif="eth-rt6")
#
# Populate multi-dimensional dictionary containing all expected outputs
#
files = ["show_ipv6_route.ref",
"show_yang_interface_isis_adjacencies.ref"]
for rname in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
outputs[rname] = {}
for step in range(1, 13 + 1):
outputs[rname][step] = {}
for file in files:
if step == 1:
# Get snapshots relative to the expected initial network convergence
filename = '{}/{}/step{}/{}'.format(CWD, rname, step, file)
outputs[rname][step][file] = open(filename).read()
else:
if rname != "rt1":
continue
if file == "show_yang_interface_isis_adjacencies.ref":
continue
# Get diff relative to the previous step
filename = '{}/{}/step{}/{}.diff'.format(CWD, rname, step, file)
# Create temporary files in order to apply the diff
f_in = tempfile.NamedTemporaryFile()
f_in.write(outputs[rname][step - 1][file])
f_in.flush()
f_out = tempfile.NamedTemporaryFile()
os.system("patch -s -o %s %s %s" %(f_out.name, f_in.name, filename))
# Store the updated snapshot and remove the temporary files
outputs[rname][step][file] = open(f_out.name).read()
f_in.close()
f_out.close()
def setup_module(mod):
"Sets up the pytest environment"
tgen = Topogen(TemplateTopo, mod.__name__)
tgen.start_topology()
router_list = tgen.routers()
# For all registered routers, load the zebra configuration file
for rname, router in router_list.iteritems():
router.load_config(
TopoRouter.RD_ZEBRA,
os.path.join(CWD, '{}/zebra.conf'.format(rname))
)
router.load_config(
TopoRouter.RD_ISIS,
os.path.join(CWD, '{}/isisd.conf'.format(rname))
)
tgen.start_router()
def teardown_module(mod):
"Teardown the pytest environment"
tgen = get_topogen()
# This function tears down the whole topology.
tgen.stop_topology()
def router_compare_json_output(rname, command, reference):
"Compare router JSON output"
logger.info('Comparing router "%s" "%s" output', rname, command)
tgen = get_topogen()
expected = json.loads(reference)
# Run test function until we get an result. Wait at most 60 seconds.
test_func = partial(topotest.router_json_cmp,
tgen.gears[rname], command, expected)
_, diff = topotest.run_and_expect(test_func, None, count=120, wait=0.5)
assertmsg = '"{}" JSON output mismatches the expected result'.format(rname)
assert diff is None, assertmsg
#
# Step 1
#
# Test initial network convergence
#
def test_isis_adjacencies_step1():
logger.info("Test (step 1): check IS-IS adjacencies")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
for rname in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
router_compare_json_output(rname, "show yang operational-data /frr-interface:lib isisd",
outputs[rname][1]["show_yang_interface_isis_adjacencies.ref"])
def test_rib_ipv6_step1():
logger.info("Test (step 1): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
for rname in ['rt1', 'rt2', 'rt3', 'rt4', 'rt5', 'rt6', 'rt7']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][1]["show_ipv6_route.ref"])
#
# Step 2
#
# Action(s):
# -Disable LFA protection on all interfaces
#
# Expected changes:
# -rt1 should uninstall all backup nexthops from all routes
#
def test_rib_ipv6_step2():
logger.info("Test (step 2): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Disabling LFA protection on all rt1 interfaces')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "no isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt3" -c "no isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt4" -c "no isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt5" -c "no isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt6" -c "no isis fast-reroute lfa"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][2]["show_ipv6_route.ref"])
#
# Step 3
#
# Action(s):
# -Re-enable LFA protection on all interfaces
#
# Expected changes:
# -Revert changes from the previous step
#
def test_rib_ipv6_step3():
logger.info("Test (step 3): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Re-enabling LFA protection on all rt1 interfaces')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt3" -c "isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt4" -c "isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt5" -c "isis fast-reroute lfa"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt6" -c "isis fast-reroute lfa"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][3]["show_ipv6_route.ref"])
#
# Step 4
#
# Action(s):
# -Disable LFA load-sharing
#
# Expected changes:
# -rt1 should use at most one backup nexthop for each route
#
def test_rib_ipv6_step4():
logger.info("Test (step 4): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Disabling LFA load-sharing on rt1')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute load-sharing disable"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][4]["show_ipv6_route.ref"])
#
# Step 5
#
# Action(s):
# -Re-enable LFA load-sharing
#
# Expected changes:
# -Revert changes from the previous step
#
def test_rib_ipv6_step5():
logger.info("Test (step 5): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Re-enabling LFA load-sharing on rt1')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "no fast-reroute load-sharing disable"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][5]["show_ipv6_route.ref"])
#
# Step 6
#
# Action(s):
# -Limit backup computation to critical priority prefixes only
#
# Expected changes:
# -rt1 should uninstall all backup nexthops from all routes
#
def test_rib_ipv6_step6():
logger.info("Test (step 6): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Limiting backup computation to critical priority prefixes only')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute priority-limit critical"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][6]["show_ipv6_route.ref"])
#
# Step 7
#
# Action(s):
# -Configure a prefix priority list to classify rt7's loopback as a
# critical-priority prefix
#
# Expected changes:
# -rt1 should install backup nexthops for rt7's loopback route.
#
def test_rib_ipv6_step7():
logger.info("Test (step 7): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Configuring a prefix priority list')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "spf prefix-priority critical CRITICAL_DESTINATIONS"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "ipv6 access-list CRITICAL_DESTINATIONS seq 5 permit 2001:db8:1000::7/128"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][7]["show_ipv6_route.ref"])
#
# Step 8
#
# Action(s):
# -Revert previous changes related to prefix priorities
#
# Expected changes:
# -Revert changes from the previous two steps
#
def test_rib_ipv6_step8():
logger.info("Test (step 8): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Reverting previous changes related to prefix priorities')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "no ipv6 access-list CRITICAL_DESTINATIONS seq 5 permit 2001:db8:1000::7/128"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "no fast-reroute priority-limit critical"')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "no spf prefix-priority critical CRITICAL_DESTINATIONS"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][8]["show_ipv6_route.ref"])
#
# Step 9
#
# Action(s):
# -Exclude eth-rt6 from LFA computation for eth-rt2's failure
#
# Expected changes:
# -Uninstall the eth-rt2 protecting backup nexthops that go through eth-rt6
#
def test_rib_ipv6_step9():
logger.info("Test (step 9): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Excluding eth-rt6 from LFA computation for eth-rt2\'s failure')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "isis fast-reroute lfa exclude interface eth-rt6"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][9]["show_ipv6_route.ref"])
#
# Step 10
#
# Action(s):
# -Remove exclusion of eth-rt6 from LFA computation for eth-rt2's failure
#
# Expected changes:
# -Revert changes from the previous step
#
def test_rib_ipv6_step10():
logger.info("Test (step 10): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Removing exclusion of eth-rt6 from LFA computation for eth-rt2\'s failure')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "interface eth-rt2" -c "no isis fast-reroute lfa exclude interface eth-rt6"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][10]["show_ipv6_route.ref"])
#
# Step 11
#
# Action(s):
# -Add LFA tiebreaker: prefer node protecting backup path
#
# Expected changes:
# -rt1 should prefer backup nexthops that provide node protection
#
def test_rib_ipv6_step11():
logger.info("Test (step 11): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Adding LFA tiebreaker: prefer node protecting backup path')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute lfa tiebreaker node-protecting index 10"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][11]["show_ipv6_route.ref"])
#
# Step 12
#
# Action(s):
# -Add LFA tiebreaker: prefer backup path via downstream node
#
# Expected changes:
# -rt1 should prefer backup nexthops that satisfy the downstream condition
#
def test_rib_ipv6_step12():
logger.info("Test (step 12): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Adding LFA tiebreaker: prefer backup path via downstream node')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute lfa tiebreaker downstream index 20"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][12]["show_ipv6_route.ref"])
#
# Step 13
#
# Action(s):
# -Add LFA tiebreaker: prefer backup path with lowest total metric
#
# Expected changes:
# -rt1 should prefer backup nexthops that have the best metric
#
def test_rib_ipv6_step13():
logger.info("Test (step 13): verify IPv6 RIB")
tgen = get_topogen()
# Skip if previous fatal error condition is raised
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info('Adding LFA tiebreaker: prefer backup path with lowest total metric')
tgen.net['rt1'].cmd('vtysh -c "conf t" -c "router isis 1" -c "fast-reroute lfa tiebreaker lowest-backup-metric index 30"')
for rname in ['rt1']:
router_compare_json_output(rname, "show ipv6 route isis json",
outputs[rname][13]["show_ipv6_route.ref"])
# Memory leak test template
def test_memory_leak():
"Run the memory leak test and report results."
tgen = get_topogen()
if not tgen.is_memleak_enabled():
pytest.skip('Memory leak test/report is disabled')
tgen.report_memory_leaks()
if __name__ == '__main__':
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))