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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-. 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?
Suggested Answer: C
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27 comments · newest first
ER
Ernie
3 months ago
I’m leaning towards using distribute-list. Seems like a solid option to control updates.
LA
Lavonda
3 months ago
I agree, but what about prefix lists? They could also work for this issue.
FI
Fidelia
3 months ago
I think using a route map could help. It might filter the updates correctly.
MA
Maryann
4 months ago
This question is tricky. I feel unsure about the filtering part.
WI
Wilson
4 months ago
I thought IS-IS handled this automatically?
CA
Carma
5 months ago
Just need to adjust the route map on R2.
WI
William
6 months ago
Wait, is R2 really not filtering? That seems odd.
NO
Noemi
6 months ago
Totally agree, filtering is key here.
LO
Louvenia
6 months ago
The issue is likely due to route leaking.
NI
Nida
6 months ago
Haha, the engineer's got their work cut out for them. Gotta keep those IS-IS areas nice and tidy, no leaks allowed!
CA
Casie
6 months ago
Wait, is the answer "filter the route updates from network 10.1.1.0/24"? I'm just asking, not trying to be funny or anything.
JU
Julie
6 months ago
Hmm, the engineer needs to find a way to stop that 10.1.1.0/24 network from leaking into the other area. Gotta keep those routes contained!
LO
Loise
7 months ago
I'd suggest checking the IS-IS configuration on R2 and making sure the route filtering is set up correctly.
JA
Jaime
7 months ago
Looks like the issue is with the route updates from network 10.1.1.0/24. The engineer needs to apply the right configuration to filter those updates.
LE
Lezlie
7 months ago
The engineer should configure route filtering on R2 to prevent the leakage of network 10.1.1.0/24 into Area-B.
KA
Katina
7 months ago
I think we need to look at the IS-IS level configuration. Maybe adjusting the level of the route could help?
MA
Martina
7 months ago
I feel like I might have seen a command that could help with filtering, but I can't recall it exactly.
BR
Bronwyn
8 months ago
This seems similar to a practice question we did on route leaking. I think we need to check the route map configuration.
AL
Altha
8 months ago
I remember something about route filtering in IS-IS, but I'm not sure how to apply it in this scenario.
AM
Amina
8 months ago
Ah, I see the issue now. The key is that the 10.1.1.0/24 network is being leaked from Area-A into Area-. The engineer needs to configure R2 to filter those route updates. I'll work through the specific configuration steps to resolve this.
AI
Aimee
9 months ago
This seems straightforward - the engineer just needs to configure R2 to filter the route updates from the 10.1.1.0/24 network that is being leaked from Area-A. I'll focus on identifying the right configuration commands to apply on R2.
NO
Norah
9 months ago
I'm a bit confused by the specifics of the IS-IS configuration and how the areas are set up. I'll need to refresh my knowledge on IS-IS before I can confidently approach this question.
CO
Colene
9 months ago
Okay, the key seems to be that the engineer needs to apply a configuration to R2 to resolve the issue with the leaked route from Area-A. I'll need to consider the IS-IS area boundaries and route filtering options.
SO
Son
9 months ago
Hmm, this looks like a tricky IS-IS routing issue. I'll need to carefully review the exhibit and think through the possible configuration changes to filter the route updates.
OR
Oretha
3 months ago
Maybe adding a prefix-list could help too.
TA
Tamesha
3 months ago
Agreed, we should check the route maps.
AU
Audry
3 months ago
I think the route filtering needs to be adjusted.