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Cisco Bug: CSCta49490 - N1Kv: ERSPAN shows the 802.1p priority bits as 0 for all captured packet

Last Modified

Mar 31, 2011

Products (2)

  • Cisco Nexus 1000V Switch for VMware vSphere
  • Cisco Nexus 1000V Switch

Known Affected Releases


Description (partial)

In ERSPAN encapsulation, the 802.1q priority field (together with 802.1q VLAN ID) of a captured frame is separated from its frame body in a ERSPAN packet, and encoded in ER Switch Packet Analysis header.

The priority field in ER Switch Packet Analysis header for all captured packets are set to zero even though the original frames do not have CoS=0.

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