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21.
What is the default value of MED ?
For networks originated in the local AS, the default MED valued is the IGP metric from the IP routing table. For transit networks, MED is removed by the router in outgoing EBGP updates.
22.
What do you have to do to enable community propagation ?
Enable BGP community propagation with the neighbor send-community command.
23.
What additional command do you have to use to establish intraconfederation EBGP sessions between loopback interfaces?
To establish intraconfederation EBGP sessions between loopback interfaces, you must specify ebgp-multihop on the intraconfederation EBGP neighbor.
24.
What is the purpose of route dampening ?
Route dampening minimizes the impact of route flaps in downstream autonomous systems upon local and upstream autonomous systems.
25.
In general which routes will affect by route dampening?
Route dampening affects only EBGP routes.
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