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An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled and after the link is restored, which of the following is FALSE?
Suggested Answer: B
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24 comments · newest first
NI
Nina
2 days ago
B makes sense. R1 will keep using that path until told otherwise.
KA
Kattie
7 days ago
I feel like A is tricky too. The timer starts, but does it really affect the sync?
IS
Isabelle
12 days ago
Agreed, C seems off. Why would it advertise a max metric?
KI
Kimberlie
18 days ago
I think option C is false. R3 wouldn't advertise a max metric after recovery.
ST
Stephaine
23 days ago
I believe D is true. R1 should get a label once R3-R6 is back.
SH
Shawn
28 days ago
I’m leaning towards A being false. The timer should start immediately.
LY
Lynelle
1 month ago
But B says it continues until LDP-Sync is disabled. That seems valid.
JU
Juan
1 month ago
I feel like B is misleading. R1 should switch once the link is up.
CA
Casandra
1 month ago
Agreed, Tom. It makes sense for R3 to advertise a normal metric instead.
DE
Desire
2 months ago
I think option C is false. R3 wouldn't advertise a max metric after recovery.
SH
Shoshana
2 months ago
Wait, is it really true that R1 keeps using that path? Sounds weird!
TA
Tashia
2 months ago
A and D sound right, but I'm not sure about C.
NA
Naomi
2 months ago
C seems off to me, why would R3 advertise a max metric?
CH
Chaya
2 months ago
I think B is definitely true, no doubt about it.
AL
Aliza
2 months ago
R3 does start the LDP-Sync timer after recovery.
NA
Nadine
3 months ago
Wait, is it really true that R1 gets a label from R3? That sounds weird!
SA
Santos
3 months ago
Totally agree with you, Terrilyn!
TE
Terrilyn
3 months ago
C) seems off, why would R3 advertise a max metric?
JO
Joanne
3 months ago
I think B) is correct too, R1 keeps using that path.
TA
Tawna
3 months ago
A) is true, R3 does start the timer after recovery.
SH
Sharan
4 months ago
I'm a bit confused about the LDP-Sync timer. Does R3 really start it after recovering the session? That seems tricky.
CO
Cordelia
4 months ago
I practiced a similar question where R1 kept using the tunnel until the sync feature was disabled, so I think B is true.
BI
Billi
4 months ago
I think option C sounds off because I recall that routers usually advertise the best metric, not the maximum.
PE
Peggie
5 months ago
I remember something about LDP-Sync, but I'm not sure if R1 would keep using the tunnel after R3 recovers.