Cisco ASR 9000 Series

remote-as 1
use neighbor-group n1
address-family ipv4 unicast
!
!
!
!
end
Disable Per Neighbor TCP MSS: Example
The following example shows how to configure TCP MSS under neighbor group and configure inheritance
disable under one of the neighbors inheriting the TCP MSS value:
router bgp 1
bgp router-id 10.0.0.1
address-family ipv4 unicast
!
neighbor-group n1
tcp mss 500
address-family ipv4 unicast
!
!
neighbor 10.0.0.2
remote-as 1
use neighbor-group n1
tcp mss inheritance-disable
address-family ipv4 unicast
!
!
!
!
end
Unconfigure TCP MSS: Example
The following example shows how to unconfigure TCP MSS:
RP/0/0/CPU0:ios(config)#router bgp 1
RP/0/0/CPU0:ios(config-bgp)#neighbor-group n1
RP/0/0/CPU0:ios(config-bgp-nbrgrp)#no tcp mss 500
RP/0/0/CPU0:ios(config-bgp-nbrgrp)#commit
Verify Per Neighbor TCP MSS: Examples
The following example shows how to verify the per neighbor TCP MSS feature on a router:
RP/0/0/CPU0:ios#show bgp neighbor 10.0.0.2
BGP neighbor is 10.0.0.2
Remote AS 1, local AS 1, internal link
Remote router ID 10.0.0.2
BGP state = Established, up for 00:09:17
Last read 00:00:16, Last read before reset 00:00:00
Hold time is 180, keepalive interval is 60 seconds
Configured hold time: 180, keepalive: 60, min acceptable hold time: 3
Last write 00:00:16, attempted 19, written 19
Second last write 00:01:16, attempted 19, written 19
Last write before reset 00:00:00, attempted 0, written 0
Second last write before reset 00:00:00, attempted 0, written 0
Last write pulse rcvd Dec 7 11:58:42.411 last full not set pulse count 23
Last write pulse rcvd before reset 00:00:00
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
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Implementing BGP
Verify Per Neighbor TCP MSS: Examples