Guest

Preview Tool

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

4.0(4)SV1(1)

Description (partial)

Symptom:
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.

Conditions:
ERSPAN.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.