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-rw-r--r--doc/user/bgp.rst15
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
^^^^^^^^^^^^^^^^^^^^^^