Enable Trace Messages for IPv6 DHCP Relay

1. Enter Privileged EXEC mode:

   enable

2. To troubleshoot IPv6 DHCP Relay, you can enable rcip6 trace messages using the following command:

   trace level 66 3

3. You can also enable IPv6 forwarding trace using the following command:

   trace ipv6 forwarding enable <all|debug|error|info|pkt|warn>

Example

Enable rcip6 trace messages and enable IPv6 forwarding trace:

Switch:1>enable
Switch:1#trace level 66 3
Switch:1#trace ipv6 forwarding