nerdexam
Juniper

JN0-662 · Question #42

You are troubleshooting a Layer 3 VPN issue. The VPN has been passing traffic successfully for some time, but now it is reported that traffic is no longer flowing. You look into the bgp.l3vpn.0…

The correct answer is A. The LSP used to connect the PE routers is down. bgp.l3vpn.0 table will have a hidden routes with only one reason, LSP to the remote PE is

MPLS Layer 3 VPNs

Question

You are troubleshooting a Layer 3 VPN issue. The VPN has been passing traffic successfully for some time, but now it is reported that traffic is no longer flowing. You look into the bgp.l3vpn.0 table and see newly hidden routes. What would be the cause of this problem?

Options

  • AThe LSP used to connect the PE routers is down.
  • BThe connection from the PE to the customer is down.
  • CThe BGP routes received from the customer are no longer reachable.
  • DThe family inet-vpn parameter was deleted from the BGP configuration of the PE router.

How the community answered

(25 responses)
  • A
    76% (19)
  • B
    4% (1)
  • C
    12% (3)
  • D
    8% (2)

Explanation

bgp.l3vpn.0 table will have a hidden routes with only one reason, LSP to the remote PE is

Topics

#L3VPN troubleshooting#bgp.l3vpn.0#hidden routes#LSP

Community Discussion

No community discussion yet for this question.

Full JN0-662 Practice