Verifying Switch Interface Ipv6 Status; Checking For A Duplicate Global Ipv6 Address - Avaya Virtual Services Platform 7000 Series Troubleshooting Manual

Verifying switch interface IPv6 status

Use this procedure to verify that IPv6 is enabled on interfaces for the switch that does not
respond to the ping.
Procedure
1. Use the show ipv6 interface command to display the IPv6 configuration for
2. Observe whether the interface ADMIN STATE is enabled or disabled.
3. If required, use the interface <if_type> command to configure the
4. Use the ipv6 interface enable command to enable IPv6 for a VLAN
5. You can repeat steps 1 and 2 to confirm the change.

Checking for a duplicate global IPv6 address

Use this procedure to check for and rectify a duplicate IPv6 addresses configured on the switch
that does not respond to the ping.
About this task
A duplicate global IPv6 address indicates that another node in the link scope already has the
same address.
Procedure
1. Use the show logging command to display logging information.
2. Look for a message that indicates that duplicate IPv6 addresses are detected.
3. If a duplicate global IPv6 address is detected, use the show ipv6 address
4. Use the ipv6 address {switch | unit} <ipv6_address/
VSP 7000 Troubleshooting
switch interfaces.
interface.
interface.
OR
Use the ipv6 enable command to enable IPv6 for a FastEthernet interface.
<switch | unit> command to display the global IPv6 address configured for the
switch.
prefix_length> command to change the global IPv6 address.
No response to switch IPv6 address ping
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