Cisco
350-029 · Question #79
With VPLS, which protocol is used for label exchange and PW signalling.
The correct answer is C. Directed LDP. Using a directed LDP session, each provider edge advertises a virtual circuit label mapping that is used as part of the label stack imposed on the Ethernet frames by the ingress provider edge during packet forwarding.
Core Technologies
Question
With VPLS, which protocol is used for label exchange and PW signalling.
Options
- AMP-BGP
- BLDP
- CDirected LDP
- DMTP
- EBGP
- FIGP
How the community answered
(21 responses)- B5% (1)
- C76% (16)
- E14% (3)
- F5% (1)
Explanation
Using a directed LDP session, each provider edge advertises a virtual circuit label mapping that is used as part of the label stack imposed on the Ethernet frames by the ingress provider edge during packet forwarding.
Topics
#VPLS#pseudowire signaling#Directed LDP#label exchange
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