doc: document MSDP authentication and reset

Tell user how to use the new authentication and clear commands.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/doc/user/pim.rst b/doc/user/pim.rst
index 20a4f1f7ab..d8e52f471e 100644
--- a/doc/user/pim.rst
+++ b/doc/user/pim.rst
@@ -386,6 +386,17 @@ Commands available for MSDP:
       The filtering will only take effect starting from the command
       application.
 
+.. clicmd:: msdp peer A.B.C.D password WORD
+
+   Use MD5 authentication to connect with the remote peer.
+
+   .. note::
+
+      The authentication will only take effect when starting a new
+      connection.
+
+      To apply it immediately call `clear ip msdp peer A.B.C.D`.
+
 
 .. _show-pim-information:
 
@@ -715,6 +726,13 @@ Clear commands reset various variables.
    removes the next hop tracking for the bsr and resets the upstreams
    for the dynamically learnt RPs.
 
+.. clicmd:: clear ip msdp peer A.B.C.D
+
+   Reset MSDP peer connection.
+
+   Use this command to set/unset MD5 authentication.
+
+
 PIM EVPN configuration
 ======================
 To use PIM in the underlay for overlay BUM forwarding associate a multicast