Deploying MPLS Layer 3 VPNs
Review Questions
| 1 |
In an MPLS Layer 3 VPN, do CE routers exchange routing update directly with other CE routers, or with connected PE routers? |
| 2 |
How do PE routers store customer routing and forwarding information? |
| 3 |
How is customer routing information exchanged between PE routers? |
| 4 |
In a simple MPLS Layer 3 VPN, with an MPLS-enabled backbone network where PE routers are not directly connected, how many labels are in the label stack of customer packets as they cross the backbone? What are the functions of those labels? |
| 5 |
How can IGP labels be signaled in an MPLS network? |
| 6 |
What is the function of the Route Distinguisher (RD)? |
| 7 |
What is the function of the Route Target (RT)? |
| 8 |
Typically, which two IGPs are used in MPLS networks? |
| 9 |
Which BGP attribute can be used to prevent routing loops when customer sites are multihomed to the service provider MPLS VPN backbone? |
| 10 |
What are three common methods of provisioning Internet access for MPLS Layer 3 VPN customers? |