From 7cdc9530ef0b79ee1b9c653d03e6a93bd90526be Mon Sep 17 00:00:00 2001 From: Donald Sharp Date: Thu, 3 Oct 2019 09:26:46 -0400 Subject: [PATCH] doc: Add some additional warnings around Turning off bgp capabilities FRR supports the ability to turn off the negotation of bgp capabilities. Provide a few bread crumbs to the operator that it might not be as useful as they would hope. Signed-off-by: Donald Sharp --- doc/user/bgp.rst | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst index 8edd19026d..402085872e 100644 --- a/doc/user/bgp.rst +++ b/doc/user/bgp.rst @@ -1140,11 +1140,8 @@ Capability Negotiation Negotiation. Please use *dont-capability-negotiate* command to disable the feature. -.. index:: neighbor PEER dont-capability-negotiate -.. clicmd:: neighbor PEER dont-capability-negotiate - -.. index:: no neighbor PEER dont-capability-negotiate -.. clicmd:: no neighbor PEER dont-capability-negotiate +.. index:: [no] neighbor PEER dont-capability-negotiate +.. clicmd:: [no] neighbor PEER dont-capability-negotiate Suppress sending Capability Negotiation as OPEN message optional parameter to the peer. This command only affects the peer is configured other than @@ -1159,6 +1156,11 @@ Capability Negotiation configured by *override-capability*, *bgpd* ignores received capabilities then override negotiated capabilities with configured values. + Additionally the operator should be reminded that this feature fundamentally + disables the ability to use widely deployed BGP features. BGP unnumbered, + hostname support, AS4, Addpath, Route Refresh, ORF, Dynamic Capabilities, + and graceful restart. + .. index:: neighbor PEER override-capability .. clicmd:: neighbor PEER override-capability -- 2.39.5