2. Identify if the state is UNKNOWN.
Viewing the system log
About this task
Use the procedure in this section to view the system log.
Procedure
1. Use the show logging command to display the system log.
2. Identify an entry: "Duplicate address detection failed."
Changing the link-local address
About this task
Use the procedure in this section to change the 64-bit identifier for the link-local address.
Procedure
1. Use the ipv6 interface link-local <IPv6 address> command to set the
64-bit identifier.
2. Use the show ipv6 interface command to view the interface details.
3. Confirm that the unknown multicast address is displayed.
Cannot connect through IPv6 default gateway
This taskflow assists you to correct connections from outside the local subnet (routed) to or
from the device through its IPv6 default gateway.
Cannot connect through IPv6 default gateway
About this task
Use this task flow to restore the connectivity through IPv6.
Cannot connect through IPv6 default gateway
Troubleshooting Avaya ERS 4000 Series April 2014 179
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