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-rw-r--r--doc/user/bgp.rst9
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst
index bd5767beba..5ce857c50c 100644
--- a/doc/user/bgp.rst
+++ b/doc/user/bgp.rst
@@ -1775,6 +1775,15 @@ Configuring Peers
default, the DelayOpenTimer is disabled. The timer interval may be set to a
duration of 1 to 240 seconds.
+.. clicmd:: neighbor PEER extended-optional-parameters
+
+ Force the extended optional parameters format for OPEN messages. By default,
+ optional parameters length is 255 octets. With more and more BGP capabilities
+ implemented on top of BGP, this is needed to extend this value.
+
+ This is turned off by default, but it's automatically enabled when this limit
+ is hit. You can force this new encoding to be enabled with this command.
+
.. clicmd:: bgp minimum-holdtime (1-65535)
This command allows user to prevent session establishment with BGP peers