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Cisco Bug: CSCuj88513 - IPv6 packet drops when load sharing on WAN interfaces

Last Modified

Jan 23, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCG4

Description (partial)

Symptom:
IPv6 traffic drops sporadically or PXF crash when the IPv6 traffic load is shared across multiple WAN uplinks.

Conditions:
This issue occurs  when ISIS is configured for IPv6 traffic and there is equal cost metrics for load sharing IPv6 traffic across multiple WAN uplinks. The IPv6 traffic does not drop when there are unequal cost metrics on the uplinks.
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