References

For additional information, refer to this resource: ■ Access www.cisco.com for additional information about VPNs.

Quiz

Use the practice items here to review what you learned in this lesson. The correct answers are found in the Quiz Answer Key.

Ql) In an MPLS VPN implementation, what is a VRF?

A) the routing and forwarding instance for all sites belonging to a single customer

B) the routing and forwarding instance for all sites belonging to a single customer location

C) the routing and forwarding instance for all sites using a common routing protocol

D) the routing and forwarding instance for a set of sites with identical connectivity requirements

Q2) Why are VRFs used to establish separate routing protocol contexts?

Q3) Which two protocols are VPN-aware? (Choose two.)

A) RIPv2

C) OSPF

D) EIGRP

Q4) True or False? VRFs are assigned to an interface.

Q5) A PE router is supporting site A for a VPN on one interface using RIP as the routing protocol. Site B belongs to the same VPN and is being supported on a second interface using EBGP as the routing protocol. Why is it necessary to redistribute the RIP-learned route into the per-VRF instance of the BGP process?

A) to allow site A and B to communicate with each other

B) to allow the RIP route to be propagated to the VRF routing tables

C) to allow the RIP routes to be propagated to the local EBGP session

D) to allow the RIP routes to be propagated through the backbone MP-BGP process to other PE routers

Q6) How are VPNv4 routers propagated to a RIP-speaking CE router?

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