300-510 · Question #137
Refer to the exhibit. An engineer is troubleshooting IS-IS configuration between two areas. IS-IS Area-A network 30.1.1.0/24 is leaked into IS-IS Area-В. R2 is failing to filter the route updates…
The correct answer is A. R2(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24. book/isis-inbound-filtering.html Example: Configuring Route Filtering by Next Hop (or Route Source) The following example shows how to enable IS-IS inbound filtering using next hop or a route Device(config)# ip prefix-list List2 seq 5 deny 198.51.100.31/24 Device(config)#…
Question
Refer to the exhibit. An engineer is troubleshooting IS-IS configuration between two areas. IS-IS Area-A network 30.1.1.0/24 is leaked into IS-IS Area-В. R2 is failing to filter the route updates from network 10.1.1.0/24. Which configuration must the engineer apply to resolve the issue?
Exhibit
Options
- AR2(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24
- BR2(config)# ip prefix-list List1 seq 3 deny 10.1.1.0/24
- CR1(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24
- DR2(config)# access-list 101 deny ip any 10.1.1.0 0.0.0.127
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Explanation
book/isis-inbound-filtering.html Example: Configuring Route Filtering by Next Hop (or Route Source) The following example shows how to enable IS-IS inbound filtering using next hop or a route Device(config)# ip prefix-list List2 seq 5 deny 198.51.100.31/24 Device(config)# interface fastethernet 0/0 Device(config-if)# ip router isis 125 Device(config-if)# router isis 125 Device(config-router)# distribute-list gateway List2 in
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