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​S/K-Series - Mirrored frames show incorrect VLAN and/or MAC address for routed packets

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Title​S/K-Series - Mirrored frames show incorrect VLAN and/or MAC address for routed packets
Symptoms
S/K-Series - Mirrored frames show incorrect VLAN and/or MAC address for routed packets
Environment
  • K-Series
  • S-Series
  • All firmware versions
Cause
With port mirror and routed frames, router reframing occurs on ingress, which affects port mirror frames
Resolution
  • Packet is being reframed (when packet is routing through chassis) for egress before it is hitting the mirror logic.
  • Although we capture packets on ingress, it appears more like it would on egress.
  • This issue is not present when mirroring L2 traffic flowing through the S-Series, only when the packet is being reframed for routing purpose and being mirrored
  • According to Engineering, this behavior is Functioning as Designed (FAD)
Additional notes

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