doc: Update documentation with the extended-nexthop bgp command

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst
index 14f2c8dc9ad26876e32f6b251773138a0f8e053f..d9d496f7fc0092fde4f6b1580ea7a38a2b708bef 100644 (file)
--- a/doc/user/bgp.rst
+++ b/doc/user/bgp.rst
@@ -845,6 +845,15 @@ Configuring Peers
    specified number of hops away will be allowed to become neighbors. This
    command is mutually exclusive with *ebgp-multihop*.
 
+.. index:: [no] neighbor PEER capability extended-nexthop
+.. clicmd:: [no] neighbor PEER capability extended-nexthop
+
+   Allow bgp to negotiate the extended-nexthop capability with it's peer.
+   If you are peering over a v6 LL address then this capability is turned
+   on automatically.  If you are peering over a v6 Global Address then
+   turning on this command will allow BGP to install v4 routes with
+   v6 nexthops if you do not have v4 configured on interfaces.
+
 .. index:: [no] bgp fast-external-failover
 .. clicmd:: [no] bgp fast-external-failover