Cisco
300-410 · Question #76
After some changes in the routing policy, it is noticed that the router in AS 45123 is being used as a transit AS router for several service provides. Which configuration ensures that the branch route
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Layer 3 Technologies
Question
After some changes in the routing policy, it is noticed that the router in AS 45123 is being used as a transit AS router for several service provides. Which configuration ensures that the branch router in AS 45123 advertises only the local networks to all SP neighbors?
Options
- Aip as-path access-list 1 permit ^45123 | neighbor bgp 45123 neighbor SP-Neighbors filter-list 1 out
- Bip as-path access-list 1 permit .* neighbor bgp 45123 neighbor SP-Neighbors filter-list 1 out
- Cip as-path access-list 1 permit ^45123$ neighbor bgp 45123 neighbor SP-Neighbors filter-list 1 out
- Dip as-path access-list 1 permit ^$ neighbor bgp 45123 neighbor SP-Neighbors filter-list 1 out
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Topics
#BGP#AS-Path Filtering#Routing Policy#eBGP