Cisco
300-510 · Question #230
Refer to the exhibit. Excessive routes are flooding from network 150.0.0.0 into AS100. Internet traffic between AS400 and AS300 is working normally. No route controlling mechanism is applied on incomi
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Routing Policy and Manipulation
Question
Refer to the exhibit. Excessive routes are flooding from network 150.0.0.0 into AS100. Internet traffic between AS400 and AS300 is working normally. No route controlling mechanism is applied on incoming and outgoing traffic. Which configuration resolves the issue? A. B. C. D.
Exhibits
Options
- AR2#router bgp 200 address-family ipv4 unicast neighbor 12.12.12.2 remote-as 100 neighbor 23.23.23.2 remote-as 300 neighbor 12.12.12.2 filter-list 1 out exit-address-family ! route-map PREPEND permit 10 set as-path prepend 100 100
- BR2#router bgp 200 neighbor 12.12.12.2 remote-as 100 neighbor 23.23.23.2 remote-as 300 neighbor 12.12.12.2 filter-list 1 out ip as-path access-list 1 deny ^400$ ip as-path access-list 1 permit .*
- CR1#router bgp 100 neighbor 12.12.12.1 remote-as 200 neighbor 12.12.12.1 route-map SET-LOCAL-PREF in route-map SET-LOCAL-PREF permit 10 match ip address 2 set local-preference 700 route-map SET-LOCAL-PREF permit 20 access-list 2 permit 150.0.0.0 0.255.255.255 access-list 2 deny any
- DR2#router bgp 200 neighbor 12.12.12.2 route-map FLOODING out ip as-path access-list 1 permit ^400_ route-map FLOODING permit 10 match as-path 1 set metric 50000
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Topics
#BGP route filtering#AS-path access lists#neighbor filters#route policy