Merge pull request #2843 from LabNConsulting/working/lb/doc-solo

bgpd: document how to avoid reflecting advertised information back to originator

1 files changed, 15 insertions, 0 deletions

diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst
index 734c9cabd0..f1209c2172 100644
--- a/doc/user/bgp.rst
+++ b/doc/user/bgp.rst
@@ -879,6 +879,14 @@ Peer Filtering
 Peer Groups
 ^^^^^^^^^^^
 
+Peer groups are used to help improve scaling by generating the same
+update information to all members of a peer group. Note that this means
+that the routes generated by a member of a peer group will be sent back
+to that originating peer with the originator identifier attribute set to
+indicated the originating peer.  All peers not associated with a
+specific peer group are treated as belonging to a default peer group,
+and will share updates.
+
 .. index:: neighbor WORD peer-group
 .. clicmd:: neighbor WORD peer-group
 
@@ -889,6 +897,13 @@ Peer Groups
 
    This command bind specific peer to peer group WORD.
 
+.. index:: neighbor PEER solo
+.. clicmd:: neighbor PEER solo
+
+   This command is used to indicate that routes advertised by the peer
+   should not be reflected back to the peer.  This command only is only
+   meaningful when there is a single peer defined in the peer-group.
+
 Capability Negotiation
 ^^^^^^^^^^^^^^^^^^^^^^