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Merge pull request #7903 from donaldsharp/bgp_8212_doc

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doc: Update bgp doc for more rfc-8212 talk
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Donatas Abraitis 2021-01-22 09:24:35 +02:00 committed by GitHub
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1 changed files with 21 additions and 3 deletions
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doc/user/bgp.rst
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@ -435,10 +435,12 @@ Require policy on EBGP
.. clicmd:: [no] bgp ebgp-requires-policy .. clicmd:: [no] bgp ebgp-requires-policy
This command requires incoming and outgoing filters to be applied This command requires incoming and outgoing filters to be applied
for eBGP sessions. Without the incoming filter, no routes will be for eBGP sessions as part of RFC-8212 compliance. Without the incoming
accepted. Without the outgoing filter, no routes will be announced. filter, no routes will be accepted. Without the outgoing filter, no
routes will be announced.
This is enabled by default. This is enabled by default for the traditional configuration and
turned off by default for datacenter configuration.
When the incoming or outgoing filter is missing you will see When the incoming or outgoing filter is missing you will see
"(Policy)" sign under ``show bgp summary``: "(Policy)" sign under ``show bgp summary``:
@ -457,6 +459,22 @@ Require policy on EBGP
192.168.0.2 4 65002 8 10 0 0 0 00:03:09 5 (Policy) 192.168.0.2 4 65002 8 10 0 0 0 00:03:09 5 (Policy)
fe80:1::2222 4 65002 9 11 0 0 0 00:03:09 (Policy) (Policy) fe80:1::2222 4 65002 9 11 0 0 0 00:03:09 (Policy) (Policy)
Additionally a `show bgp neighbor` command would indicate in the `For address family:`
block that:
.. code-block:: frr
exit1# show bgp neighbor
...
For address family: IPv4 Unicast
Update group 1, subgroup 1
Packet Queue length 0
Inbound soft reconfiguration allowed
Community attribute sent to this neighbor(all)
Inbound updates discarded due to missing policy
Outbound updates discarded due to missing policy
0 accepted prefixes
Reject routes with AS_SET or AS_CONFED_SET types Reject routes with AS_SET or AS_CONFED_SET types
------------------------------------------------ ------------------------------------------------