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Which feature should be disabled on a bridge domain when a default gateway for endpoints is on an external device instead of a Cisco ACI bridge domain SVI?
Suggested Answer: A
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27 comments · newest first
FL
Florinda
11 months ago
I had no idea proxy ARP was such a big deal!
AM
Amber
11 months ago
Unicast routing is fine, no need to touch that.
FA
Fairy
11 months ago
Wait, isn't ARP flooding also a concern?
BO
Bobbie
11 months ago
I agree, proxy ARP can cause issues.
EA
Earleen
12 months ago
Definitely should disable proxy ARP.
TA
Tambra
12 months ago
I’m leaning towards disabling unknown unicast flooding, but I need to double-check my notes on bridge domain configurations.
GE
German
1 year ago
I feel like unicast routing could be relevant here, but it seems more about how traffic is handled rather than what to disable.
MA
Mable
1 year ago
I remember a practice question about ARP flooding, but I can't recall if it was related to this scenario.
CH
Christoper
1 year ago
I think we might need to disable proxy ARP since the default gateway is external, but I'm not completely sure.
YA
Yasuko
1 year ago
I'm a bit confused here. Is the question asking about a specific Cisco ACI feature, or is it more general? I'll have to review my notes to see if I can figure this out.
AM
Amie
1 year ago
Okay, let me see. If the default gateway is on an external device, then we want to disable the feature that handles ARP requests within the bridge domain. I'll go with B.
RA
Rashida
1 year ago
Hmm, I'm not sure about this one. I'll have to think it through carefully to make sure I get the right answer.
TE
Terrilyn
1 year ago
This question seems straightforward, I think the answer is B - ARP flooding.
CH
Chaya
1 year ago
I vaguely remember that something about the auditor's responsibility should be in there. Is that option C?
LO
Loreta
2 years ago
D. proxy ARP. Disabling that will keep your network from turning into a hot mess when the default gateway is outside the bridge domain.
MI
Micheal
2 years ago
A. unknown unicast flooding. Seems like the logical choice to me, unless you want to flood your network with unnecessary traffic.
LO
Loren
2 years ago
C. unicast routing. Clearly, the ACI bridge domain SVI isn't needed if the default gateway is external.
MA
Marjory
2 years ago
C) unicast routing
VI
Vi
2 years ago
B) ARP flooding
AL
Alisha
2 years ago
A) unknown unicast flooding
SA
Sabra
2 years ago
I'd go with D. Proxy ARP. Why would you want that if the default gateway is outside the bridge domain?
AJ
Aja
2 years ago
D) Proxy ARP is definitely the most important to disable in this scenario.
MI
Micaela
2 years ago
C) unicast routing should be disabled as well to prevent traffic from being routed within the bridge domain.
LO
Loren
2 years ago
A) unknown unicast flooding should also be disabled in this case.
JU
Julian
2 years ago
I believe unicast routing should also be disabled to ensure the endpoints use the external device as the default gateway.
ED
Edelmira
2 years ago
I agree with you, Daniel. ARP flooding should be disabled because the default gateway is on an external device.
DA
Daniel
2 years ago
I think the feature that should be disabled is ARP flooding.