Cisco Bug: CSCuw30334 - IPv6 Interface Incorrectly Registered as Duplicate
Jul 14, 2016
- Cisco IOS
Known Affected Releases
Symptom: IPv6 interface can be incorrectly registered as an duplicated address via duplicate address detection. Thus placing the interface within an tentative state and not assigning the IPv6 address to the interface. show ipv6 interface te1/1.1111 TenGigabitEthernet1/1.1111 is up, line protocol is up IPv6 is enabled, link-local address is FE80::1:1 No Virtual link-local address(es): Description: TAC TEST Global unicast address(es): 11:123::3, subnet is 11:123::/64 [DUP] ------------------>Duplicate Conditions: This can be verified by issuing an [show ipv6 int brief] on the connected device and ensuring the interface isn't using the same IPv6 address.
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