In MPLS VPN network troubleshooting, if it is necessary to "view the ARP table of the VPN instance on the PE device to confirm whether the CE device's MAC address is being learned normally", which…

The correct answer is A. display arp VPN instance [instance name]. See the full explanation below for the reasoning.

Intelligent O&M and Troubleshooting in Campus Networks

Question

In MPLS VPN network troubleshooting, if it is necessary to "view the ARP table of the VPN instance on the PE device to confirm whether the CE device's MAC address is being learned normally", which of the following commands should be used?

Options

Adisplay arp VPN instance [instance name]
BDisplay IP routing-table VPN instance [instance name]
Cdisplay mpls lsp
Ddisplay bgp vpnv4 all routes

How the community answered

(55 responses)

A
84% (46)
B
5% (3)
C
2% (1)
D
9% (5)

Topics

#MPLS VPN#ARP table#VPN instance#troubleshooting commands

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