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Cisco Bug: CSCuq56513 - Prefix delegation failing on dialer

Last Modified

Jan 07, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

15.2(1)IC273.153

Description (partial)

Symptom:
We have dual stack IP on the dialer.
 
If the router boots up, the IPv6 address is assigned to the dialer.
If we do a clear PPP, the IPv6 address is not coming back.
We have to shut / no shut the Dialer in order to make it work again.

Conditions:
We only have this issue when the PE is an ASR9K, when it is a 7200 it is working fine.
Also, the same configuration works fine on 153-3.M2, even with ASR9k.
Issue specific to  153-3.M3.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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