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Cisco Bug: CSCvh78165 - Stale IPv6 ND routes are seen in IPv6 Rib table after subscriber sessions are logged out

Last Modified

Aug 11, 2019

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.4.1.BASE

Description (partial)

Symptom:
All the subscriber session got logged out, But I see stale IPv6ND  routes in IPv6 Rib Table

A    2101:0:0:2b3e::/64 is directly connected,
      00:33:10, Unknown
A    2101:0:0:2b9c::/64 is directly connected,
      00:33:09, Unknown
A    2101:0:0:2ba0::/64 is directly connected,
      00:33:09, Unknown
A    2101:0:0:2ba4::/64 is directly connected,
      00:33:09, Unknown
A    2101:0:0:2ba6::/64 is directly connected,
      00:33:09, Unknown
A    2101:0:0:2ba8::/64 is directly connected,
      00:33:09, Unknown
A    2101:0:0:2bb0::/64 is directly connected,
      00:33:09, Unknown
A    2101:0:0:2bb2::/64 is directly connected,
      00:33:09, Unknown
A    2101:0:0:2ccd::/64 is directly connected,
      00:33:10, Unknown
A    2101:0:0:2ccf::/64 is directly connected,
      00:33:10, Unknown
A    2101:0:0:2cd3::/64 is directly connected,
      00:33:10, Unknown
A    2101:0:0:2cdf::/64 is directly connected,
      00:33:10, Unknown

Conditions:
1.	Bring up 16K Dual stack PPPoE SLAAC Subscribers
2.	During inflight session perform process restart subdb_svr
3.	All the 16K Dual stack Subscribers were up
4.	Perform clear subscriber session all. [  Don't send disconnect from Client ]
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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