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When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?
Suggested Answer: A
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11 comments · newest first
NI
Nieves
12 months ago
OSPF not enabled? Nah, that’s too basic to cause this.
MA
Marquetta
12 months ago
Wait, are you saying OSPF can get stuck just because of MTU?
PA
Pamella
12 months ago
Same Router ID is a common mistake too!
SA
Salina
1 year ago
I disagree, it could also be the Hello packets issue.
GE
Geoffrey
1 year ago
Definitely the MTU mismatch, seen it happen a lot.
JU
Juan
1 year ago
I recall that if a Hello packet isn't received, it can lead to adjacency issues, but I can't remember if that directly ties to ExchStart.
EV
Evelynn
1 year ago
I think I came across a practice question where OSPF adjacency was affected by the Router ID being the same. That might be relevant here too.
DE
Deangelo
1 year ago
I remember studying that the MTU mismatch can definitely cause issues, but I'm not entirely sure if it's the only reason for being stuck in ExchStart.
LA
Laurel
1 year ago
I feel like OSPF not being enabled on one of the routers could be a cause, but I’m not confident if it specifically relates to the ExchStart state.
PE
Pedro
1 year ago
If there's a PSP option that already supports controllers, that could be the easiest path forward. Avoiding the conversion work altogether would be ideal if possible.
FR
Freeman
1 year ago
Okay, I remember that regular ADDM uses AWR snapshots, but I can't recall if those are the latest snapshots or ones that have already been purged. I'll have to read the options carefully.