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topotests: add vpn test to control aggregated prefix is exported
Add a test in bgp_vpnv4_ebgp test to control that the aggregated prefix is exported and selected as a VPN prefix. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert
parent
1cbbc94e55
commit
bccf1e5447
@ -15,8 +15,10 @@ router bgp 65500
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!
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router bgp 65500 vrf vrf1
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bgp router-id 192.0.2.1
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neighbor 172.31.2.100 remote-as 65500
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address-family ipv4 unicast
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redistribute connected
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aggregate-address 172.31.1.0/24
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label vpn export 101
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rd vpn export 444:1
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rt vpn both 52:100
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@ -0,0 +1,52 @@
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{
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"444:1":{
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"prefix":"172.31.1.0/24",
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"advertisedTo":{
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"192.168.0.2":{
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"hostname":"r2"
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},
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"192.168.0.3":{
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"hostname":"r3"
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}
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},
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"paths":[
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{
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"aspath":{
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"string":"Local",
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"segments":[
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],
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"length":0
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},
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"aggregatorAs":65500,
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"aggregatorId":"192.0.2.1",
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"nhVrfName":"vrf1",
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"announceNexthopSelf":true,
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"origin":"incomplete",
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"metric":0,
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"weight":32768,
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"valid":true,
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"sourced":true,
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"local":true,
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"atomicAggregate":true,
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"bestpath":{
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"overall":true,
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"selectionReason":"First path received"
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},
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"originatorId":"192.0.2.1",
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"nexthops":[
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{
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"ip":"0.0.0.0",
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"afi":"ipv4",
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"metric":0,
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"accessible":true,
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"used":true
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}
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],
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"peer":{
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"peerId":"0.0.0.0",
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"routerId":"192.0.2.1"
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}
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}
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]
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}
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}
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@ -1,6 +1,10 @@
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log stdout
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interface r1-eth1 vrf vrf1
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ip address 172.31.0.1/32
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ip address 172.31.1.1/32
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ip address 172.31.1.2/32
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ip address 172.31.1.3/32
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ip address 172.31.2.1/24
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!
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interface r1-eth0
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ip address 192.168.0.1/24
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6
tests/topotests/bgp_vpnv4_ebgp/r100/bgpd.conf
Normal file
6
tests/topotests/bgp_vpnv4_ebgp/r100/bgpd.conf
Normal file
@ -0,0 +1,6 @@
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router bgp 65500
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bgp router-id 192.0.2.100
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neighbor 172.31.2.1 remote-as 65500
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address-family ipv4 unicast
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exit-address-family
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exit
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147
tests/topotests/bgp_vpnv4_ebgp/r100/show_bgp_ipv4.json
Normal file
147
tests/topotests/bgp_vpnv4_ebgp/r100/show_bgp_ipv4.json
Normal file
@ -0,0 +1,147 @@
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{
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"vrfId": 0,
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"vrfName": "default",
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"routerId": "192.0.2.100",
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"defaultLocPrf": 100,
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"localAS": 65500,
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"routes": {
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"172.31.0.1/32": [{
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"valid":true,
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"bestpath":true,
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"selectionReason":"First path received",
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"pathFrom":"internal",
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"prefix":"172.31.0.1",
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"prefixLen":32,
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"network":"172.31.0.1/32",
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"metric":0,
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"locPrf":100,
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"weight":0,
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"peerId":"172.31.2.1",
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"origin":"incomplete",
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"nexthops":[{
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"ip":"172.31.2.1",
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"afi":"ipv4",
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"used":true
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}]
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}],
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"172.31.0.10/32": [{
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"valid":true,
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"bestpath":true,
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"selectionReason":"First path received",
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"pathFrom":"internal",
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"prefix":"172.31.0.10",
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"prefixLen":32,
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"network":"172.31.0.10/32",
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"metric":0,
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"locPrf":100,
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"weight":0,
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"peerId":"172.31.2.1",
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"path":"65501",
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"origin":"incomplete",
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"nexthops":[{
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"ip":"172.31.2.1",
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"afi":"ipv4",
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"used":true
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}]
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}],
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"172.31.1.0/24": [{
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"valid":true,
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"bestpath":true,
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"selectionReason":"First path received",
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"pathFrom":"internal",
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"prefix":"172.31.1.0",
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"prefixLen":24,
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"network":"172.31.1.0/24",
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"metric":0,
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"locPrf":100,
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"weight":0,
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"peerId":"172.31.2.1",
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"path":"",
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"origin":"incomplete",
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"nexthops":[{
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"ip":"172.31.2.1",
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"afi":"ipv4",
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"used":true
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}]
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}],
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"172.31.1.1/32": [{
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"valid":true,
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"bestpath":true,
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"selectionReason":"First path received",
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"pathFrom":"internal",
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"prefix":"172.31.1.1",
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"prefixLen":32,
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"network":"172.31.1.1/32",
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"metric":0,
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"locPrf":100,
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"weight":0,
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"peerId":"172.31.2.1",
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"path":"",
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"origin":"incomplete",
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"nexthops":[{
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"ip":"172.31.2.1",
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"afi":"ipv4",
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"used":true}]
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}],
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"172.31.1.2/32": [{
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"valid":true,
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"bestpath":true,
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"selectionReason":"First path received",
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"pathFrom":"internal",
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"prefix":"172.31.1.2",
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"prefixLen":32,
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"network":"172.31.1.2/32",
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"metric":0,
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"locPrf":100,
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"weight":0,
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"peerId":"172.31.2.1",
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"path":"",
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"origin":"incomplete",
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"nexthops":[{
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"ip":"172.31.2.1",
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"afi":"ipv4",
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"used":true}]
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}],
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"172.31.1.3/32": [{
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"valid":true,
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"bestpath":true,
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"selectionReason":"First path received",
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"pathFrom":"internal",
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"prefix":"172.31.1.3",
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"prefixLen":32,
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"network":"172.31.1.3/32",
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"metric":0,
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"locPrf":100,
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"weight":0,
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"peerId":"172.31.2.1",
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"path":"",
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"origin":"incomplete",
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"nexthops":[{
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"ip":"172.31.2.1",
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"afi":"ipv4",
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"used":true
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}]
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}],
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"172.31.2.0/24": [{
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"valid":true,
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"bestpath":true,
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"selectionReason":"First path received",
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"pathFrom":"internal",
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"prefix":"172.31.2.0",
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"prefixLen":24,
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"network":"172.31.2.0/24",
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"metric":0,
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"locPrf":100,
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"weight":0,
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"peerId":"172.31.2.1",
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"path":"",
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"origin":"incomplete",
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"nexthops":[{
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"ip":"172.31.2.1",
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"afi":"ipv4",
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"used":true}]
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}]
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} ,
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"totalRoutes": 7,
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"totalPaths": 7
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}
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4
tests/topotests/bgp_vpnv4_ebgp/r100/zebra.conf
Normal file
4
tests/topotests/bgp_vpnv4_ebgp/r100/zebra.conf
Normal file
@ -0,0 +1,4 @@
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log stdout
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interface r100-eth0
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ip address 172.31.2.100/24
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!
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@ -45,6 +45,7 @@ def build_topo(tgen):
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tgen.add_router("r1")
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tgen.add_router("r2")
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tgen.add_router("r3")
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tgen.add_router("r100")
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switch = tgen.add_switch("s1")
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switch.add_link(tgen.gears["r1"])
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@ -53,6 +54,7 @@ def build_topo(tgen):
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switch = tgen.add_switch("s2")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["r100"])
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switch = tgen.add_switch("s3")
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switch.add_link(tgen.gears["r2"])
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@ -524,6 +526,54 @@ router bgp 65501
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assert result is None, assertmsg
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def test_aggregated_route_on_r100():
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"""
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Check that only aggregated route on r100 is received
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"""
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tgen = get_topogen()
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r100 = tgen.gears["r100"]
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logger.info("Checking prefixes list on R100")
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json_file = "{}/{}/show_bgp_ipv4.json".format(CWD, r100.name)
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expected = json.loads(open(json_file).read())
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test_func = partial(
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topotest.router_json_cmp,
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r100,
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"show bgp ipv4 json",
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expected,
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)
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_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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assertmsg = '"{}" JSON output mismatches'.format(r100.name)
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assert result is None, assertmsg
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def test_aggregated_exported_route_on_r1():
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"""
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Check that the aggregated route 172.31.1.0/24 is exported
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"""
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tgen = get_topogen()
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r1 = tgen.gears["r1"]
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logger.info("Checking 172.31.1.0/24 VPN prefix on R1")
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json_file = "{}/{}/show_bgp_ipv4_172_31_1_0.json".format(CWD, r1.name)
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expected = json.loads(open(json_file).read())
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test_func = partial(
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topotest.router_json_cmp,
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r1,
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"show bgp ipv4 vpn 172.31.1.0/24 json",
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expected,
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)
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_, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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assertmsg = '"{}" JSON output mismatches'.format(r1.name)
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assert result is None, assertmsg
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def test_memory_leak():
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"Run the memory leak test and report results."
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tgen = get_topogen()
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