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Setting the Forwarding Class of the Ping Packets

When you execute the ping mpls command, the ping packets forwarded to the destination include MPLS labels. It is possible to set the value of the forwarding class for these ping packets by using the exp option with the ping mpls command. For example, to set the forwarding class to 5 when pinging a Layer 3 VPN, issue the following command:

This command would makes the router attempt to ping the Layer 3 VPN westcoast using ping packets with an EXP forwarding class of 5. The default forwarding class used for the ping mpls command packets is 7.