JN0-663 Routes Practice Questions
The free JN0-663: Service Provider Routing and Switching, Professional (JNCIP-SP) questions that deal with routes, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #3
Exhibit: You are troubleshooting BGP routing issues between two MX Series routers. The BGP session is established but no BGP routes are being communicated. What are two reasons for this problem? (Choose two.)
Select 2 answers.
Correct answer: B, C
Explanation
An established BGP session still sends no routes unless an export policy is applied toward the peer, and nothing is advertised when no active BGP routes exist in inet.0 to export. Peer type and differing AS numbers affect session establishment, not route advertisement.
Question #5
Exhibit: Referring to the exhibit, the local BGP router is receiving IPv4 routes from the BGP neighbor, but it is not receiving L3 VPN routes from the BGP neighbor. Which two actions should you take to solve this problem? (Choose two.)
Select 2 answers.
Correct answer: A, D
Explanation
L3 VPN routes are carried in the inet-vpn unicast family, so that family must be configured on both the local router and the BGP neighbor. The inet unicast family only carries the IPv4 routes that were already being received.
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