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Cisco Bug: CSCvi13564 - iedge clock sync issue: DHCP IPV4 subscriber session bring up delay in DUAL stack

Last Modified

Oct 20, 2019

Products (9)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases


Description (partial)

Subscriber termination is dual stack. 
The  IPV6 and  IPv4 stack is  UP .
IPV4 session bring up will get delayed when the subscriber are configured with the dual stack .
No issue with ipv6 session bring up . 
IPV4 session will come up immediately when the subscriber configured for single stack .
This behaviour is same with all ONT devices .
On the ONT reload the IPV4 subscriber delayed by 3 to 4 mins to be success.

observed when DUAL stack configured .
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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