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Cisco Bug: CSCun04735 - First DHCPv6 advertise dropped with multiple sub-bundle config.

Last Modified

Mar 10, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCH2 15.3(3)S

Description (partial)

Cable modems are stuck at init6(a) when more than 2 bundle sub-interfaces are configured and  Dynamic Message Integrity Check (DMIC) is enabled. Cisco CMTS drops the first advertise message from the cable modem.

This issue occurs on the Cisco CMTS when multiple bundle sub-interfaces are configured and DMIC is enabled, and the cable modem tries to get the IPv6 address that is not on the first bundle sub-interface.
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