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Cisco Bug: CSCtb57384 - ML-MR overwrites IP version to 0 with untagged to untagged EVC

Last Modified

Jan 30, 2017

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

9.00 9.10

Description (partial)

MLMR Overwrites the Ethernet frame data pattern first three bits with 0's in untagged to untagged evc which corrupt the IP packet version field. Hence, the target devices do not respond to the IP packets and its getting dropped.

This is observed when the two interfaces in the bridge domain carries a non-tagged traffic on the ML-MR-10 card running Cisco IOS software with ONS software release 9.0
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