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isisd: Update documentation for Segment Routing

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Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>
This commit is contained in:
Olivier Dugeon 2020-05-05 16:40:35 +02:00
parent c0083e5338
commit d4d008fea1
1 changed files with 42 additions and 6 deletions
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doc/user/isisd.rst
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@ -473,15 +473,16 @@ Traffic Engineering
Segment Routing
===============
This is an EXPERIMENTAL support of Segment Routing as per draft
`draft-ietf-isis-segment-routing-extensions-25.txt` for MPLS dataplane.
It supports IPv4, IPv6 and ECMP and has been tested against Cisco & Juniper
routers.
This is an EXPERIMENTAL support of Segment Routing as per RFC8667
for MPLS dataplane. It supports IPv4, IPv6 and ECMP and has been
tested against Cisco & Juniper routers.
Known limitations:
- No support for level redistribution (L1 to L2 or L2 to L1)
- No support for binding SID
- No support for SRMS
- No support for SRLB
- Only one SRGB and default SPF Algorithm is supported
.. index:: [no] segment-routing on
.. clicmd:: [no] segment-routing on
@ -491,14 +492,15 @@ Known limitations:
.. index:: [no] segment-routing global-block (0-1048575) (0-1048575)
.. clicmd:: [no] segment-routing global-block (0-1048575) (0-1048575)
Seet the Segment Routing Global Block i.e. the label range used by MPLS
Set the Segment Routing Global Block i.e. the label range used by MPLS
to store label in the MPLS FIB.
.. index:: [no] segment-routing node-msd (1-16)
.. clicmd:: [no] segment-routing node-msd (1-16)
Set the Maximum Stack Depth supported by the router. The value depend of the
MPLS dataplane. E.g. for Linux kernel, since version 4.13 it is 32.
MPLS dataplane. E.g. for Linux kernel, since version 4.13 the maximum value
is 32.
.. index:: [no] segment-routing prefix <A.B.C.D/M|X:X::X:X/M> <absolute (16-1048575)|index (0-65535)> [no-php-flag|explicit-null]
.. clicmd:: [no] segment-routing prefix <A.B.C.D/M|X:X::X:X/M> <absolute (16-1048575)|index (0-65535) [no-php-flag|explicit-null]
@ -514,6 +516,11 @@ Known limitations:
Show detailed information about all learned Segment Routing Prefix-SIDs.
.. index:: show isis segment-routing nodes
.. clicmd:: show isis segment-routing nodes
Show detailed information about all learned Segment Routing Nodes.
Debugging ISIS
==============
@ -707,3 +714,32 @@ Then the :file:`isisd.conf` itself:
mpls-te router-address 10.1.1.1
!
line vty
A Segment Routing configuration, with IPv4, IPv6, SRGB and MSD configuration.
.. code-block:: frr
hostname HOSTNAME
password PASSWORD
log file /var/log/isisd.log
!
!
interface eth0
ip router isis SR
isis network point-to-point
!
interface eth1
ip router isis SR
!
!
router isis SR
net 49.0000.0000.0000.0001.00
is-type level-1
topology ipv6-unicast
lsp-gen-interval 2
segment-routing on
segment-routing node-msd 8
segment-routing prefix 10.1.1.1/32 index 100 explicit-null
segment-routing prefix 2001:db8:1000::1/128 index 101 explicit-null
!