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Cisco Bug: CSCte39032 - XR 12k 3.6.1: Packet loss with ether SPA

Last Modified

Jan 13, 2017

Products (1)

  • Cisco 12000 Series Routers

Known Affected Releases


Description (partial)

Packet loss observed on GigE SPA

The packet drops are seen as Over subscription vlan drops as shown in the following output:

#show hw-module subslot 0/0/0 tcam entry vlan 0 0 0 0 | inc Osub Tue Jan 19 14:29:37.611 EST
VLAN Rx Osub Drop      : Pkt:968         Byte:218600

This issue was observed in IOS XR 3.6.3, when plain IPv4 traffic was sent with a combination of 64-byte, 512-byte, 800-byte and 1512-byte packets over a long period.
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