Layer 3 Technologies - BGP
5 important questions on Layer 3 Technologies - BGP
What is the command to configure passive/active?
Back to default (active)
(config-router)#neighbor X.X.X.X transport connection-mode active
What is the command to configure BGP dynamic neighbors?
What does the command neighbor x.x.x.x local-AS local-AS-number?
Local AS allows a router appear to be in a different AS from its real AS for eBGP peers.
It cannot be used with iBGP peers including confederations. It is useful for
merging ISPs during transition.
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What does the command neighbor x.x.x.x allowas-in?
Normally a BGP router will drop any updates from an eBGP peer which has its own AS in the path to prevent loops.
The allowas-in feature can be used to override this and would be used if you have a discontiguous AS.
What does the command (config-router)# bgp additional paths install?
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