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-rw-r--r--doc/user/bgp.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst
index bacb69b815..fa84f6dc76 100644
--- a/doc/user/bgp.rst
+++ b/doc/user/bgp.rst
@@ -1205,6 +1205,14 @@ Configuring Peers
keyword `all` is specified the modification is done also for routes learned
via iBGP.
+.. index:: neighbor PEER attribute-unchanged [{as-path|next-hop|med}]
+.. clicmd:: neighbor PEER attribute-unchanged [{as-path|next-hop|med}]
+
+ This command specifies attributes to be left unchanged for advertisements
+ sent to a peer. Use this to leave the next-hop unchanged in ipv6
+ configurations, as the route-map directive to leave the next-hop unchanged
+ is only available for ipv4.
+
.. index:: [no] neighbor PEER update-source <IFNAME|ADDRESS>
.. clicmd:: [no] neighbor PEER update-source <IFNAME|ADDRESS>