PE1 and PE2 provide a BGP-signaled VPLS service named VPN Blue. PE1 has site ID 2, label base 2500, andlabel offset 1. PE2 has site ID 4, label base 3000, and label offset 1.
Which label does PE2 expect to receive on VPLS VPN Blue traffic received from PE1 site ID 2?
A.
2505
B.
5499
C.
2503
D.
3001
Explanation:
The formula used is VPN label = label-base-remote + local-site-id – label-offset-remote, which here is 2500 + 4
-1 = 2503.
https://inetzero.com/verifying-a-bgp-signaled-vpls/