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Which statement is true about LDP?
Suggested Answer: C
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LDP relies on IGP for all routing-related decisions. LDP is a protocol that distributes labels in an MPLS environment, but it does not perform any routing functions. LDP uses the underlying routing information provided by an IGP, such as OSPF or IS-IS, to forward label packets. LDP and IGP do not exchange their databases at regular intervals, but rather use hello messages to maintain adjacencies and sessions.Reference:Ericsson IP Networking - Routing Protocols,Label Distribution Protocol - Wikipedia
12 comments · newest first
CL
Clarinda
1 month ago
I agree with D too. They complement each other in routing tasks.
MI
Mitsue
1 month ago
I feel like C could be misleading. LDP does use IGP, but not for everything.
JO
Johana
1 month ago
I think D is correct. LDP works with IGP for routing.
ST
Stevie
2 months ago
Wait, I didn't know LDP did routing too!
DA
Daryl
2 months ago
Not sure about that, but IGP is crucial for routing.
PA
Pa
2 months ago
Definitely D! LDP does work with IGP.
NA
Nadine
2 months ago
I thought it was 60 seconds?
SA
Salome
2 months ago
LDP and IGP exchange databases every 30 seconds.
BE
Becky
2 months ago
I feel like the database exchange timing is different for LDP and IGP, but I can't remember if it's 30 or 60 seconds.
SO
Sonia
3 months ago
I practiced a question similar to this, and I think LDP does perform some routing functions, but I can't remember the details.
JO
Jolene
3 months ago
I remember something about LDP relying on IGP for routing decisions, but I can't recall if that's the whole story.
DA
Daron
3 months ago
I think LDP doesn't really exchange databases like IGP does, but I'm not sure about the timing specifics.