Cisco Bug: CSCtb74413 - IPv6 General-prefix config stalled after conflict
May 09, 2017
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
Symptom: A previously-confliciting general-prefix address will not be re-applied to an interface when the conflict is resolved and the interface shut/no shut. Conditions: The following example illustrates the problem: ipv6 general-prefix cisco 2001:DB8::/32 int e0/0 ipv6 address 2001:DB8::2/64 int e1/0 ipv6 address cisco ::1:0:0:0:1/64 The general-prefix address configured on e1/0 conflicts with the address manually-configured on e0/0. When the command is configured on e1/0 an error message will be issued and no address will be applied to interface e1/0. However the configuration will remain on interface e1/0. This is as expected. We now remove the source of the conflict by removing the address on e0/0: int e0/0 no ipv6 address 2001:DB8::2/64 We now attempt to re-apply the address on e1/0: int e1/0 shut no shut The address is not applied to e1/0.
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