Which VPN-aware routing protocol is typically used to carry VPN routes across the MPLS domain?

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IT Exam Items Repository › Category: CCNP ENARSI v9 › Which VPN-aware routing protocol is typically used to carry VPN routes across the MPLS domain?

Which VPN-aware routing protocol is typically used to carry VPN routes across the MPLS domain?

EIGRP
OSPF
MP-BGP
IS-IS

Explanation: MP-BGP is the only routing protocol used to carry customer VPN routes across the MPLS P-network between Provider Edge (PE) routers. It is chosen because it is the only protocol with the necessary scalability to handle the large volume of routes associated with many different customer VPNs.

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