Which Cisco IOS XR command sets successfully configure a value of 20 for the
advertisement-interval?
A.
RP/0/RSP0/CPU0:routerconfig)# router bgp 65512
RP/0/RSP0/CPU0:router(config-bgp)# session-group test
RP/0/RSP0/CPU0:router(config-bgp-sngrp)# advertisement-interval 20
RP/0/RSP0/CPU0:router(config-bgp-sngrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor-group test
RP/0/RSP0/CPU0:router(config-bgp-nbrgrp)# advertisement-interval 25
RP/0/RSP0/CPU0:router(config-bgp-nbrgrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor 192.168.1.1
RP/0/RSP0/CPU0:router(config-bgp-nbr)# remote-as 65513
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use session-group test
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use neighbor-group test
B.
RP/0/RSP0/CPU0:routerconfig)# router bgp 65512
RP/0/RSP0/CPU0:router(config-bgp)# session-group test
RP/0/RSP0/CPU0:router(config-bgp-sngrp)# ebgp-multihop 2
RP/0/RSP0/CPU0:router(config-bgp-sngrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor-group test
RP/0/RSP0/CPU0:router(config-bgp-nbrgrp)# advertisement-interval 20
RP/0/RSP0/CPU0:router(config-bgp-nbrgrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor 192.168.1.1
RP/0/RSP0/CPU0:router(config-bgp-nbr)# remote-as 65513
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use session-group test
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use neighbor-group test
C.
RP/0/RSP0/CPU0:routerconfig)# router bgp 65512
RP/0/RSP0/CPU0:router(config-bgp)# session-group test
RP/0/RSP0/CPU0:router(config-bgp-sngrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor-group test
RP/0/RSP0/CPU0:router(config-bgp-nbrgrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor 192.168.1.1
RP/0/RSP0/CPU0:router(config-bgp-nbr)# remote-as 65513
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use session-group test
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use neighbor-group test
D.
RP/0/RSP0/CPU0:routerconfig)# router bgp 65512
RP/0/RSP0/CPU0:router(config-bgp)# session-group test
RP/0/RSP0/CPU0:router(config-bgp-sngrp)# advertisement-interval 25
RP/0/RSP0/CPU0:router(config-bgp-sngrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor-group test
RP/0/RSP0/CPU0:router(config-bgp-nbrgrp)# advertisement-interval 20
RP/0/RSP0/CPU0:router(config-bgp-nbrgrp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# exit
RP/0/RSP0/CPU0:router(config-bgp)# neighbor 192.168.1.1
RP/0/RSP0/CPU0:router(config-bgp-nbr)# remote-as 65513
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use session-group test
RP/0/RSP0/CPU0:router(config-bgp-nbr)# use neighbor-group test
Could anyone explain why B wont work?
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If a neighbor uses a session group and a neighbor group, the configurations in the session group are preferred over the global address family configurations in the neighbor group.
Template Inheritance Rules.
http://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/routing/configuration/guide/rcasr9kbgp.html#wp1213997
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