Cisco
300-515 · Question #97
What is the primary benefit provided by Unified MPLS?
The correct answer is B. It expands the capability of link-state routing protocols to hold multiple routes. Unified MPLS leverages BGP’s scaling advantages to carry label bindings across IGP-LDP domain boundaries. By offloading label distribution to MP-BGP, routers don’t have to maintain full LDP state for every prefix in the IGP, easing IGP-scale limitations.
Transport Technologies
Question
What is the primary benefit provided by Unified MPLS?
Options
- AIt eliminates the need for labels to route traffic between autonomous systems.
- BIt expands the capability of link-state routing protocols to hold multiple routes.
- CIt uses BGP to transport labels between different IGP domains which reduces the need to exceed
- DIt allows IPV6 routes to be carried outside of BGP.
How the community answered
(37 responses)- A5% (2)
- B92% (34)
- C3% (1)
Explanation
Unified MPLS leverages BGP’s scaling advantages to carry label bindings across IGP-LDP domain boundaries. By offloading label distribution to MP-BGP, routers don’t have to maintain full LDP state for every prefix in the IGP, easing IGP-scale limitations.
Topics
#Unified MPLS#seamless MPLS#BGP label distribution#IGP domain scaling
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