Cisco Bug: CSCvt61851 - l3EgrBytes5min rate for mpls VRF is greater than interface egress bytes rate all platforms
May 12, 2020
- Cisco Nexus 9000 Series Switches
Known Affected Releases
For VRF stats, egress stats is taken from LU block (ingress side). Hence it count the incoming packet length for bytes calculation. For l2 interface, egress stats is taken from RWX block (egress side). It counts the outgoing (after rewrite) length. Therefore the length mismatch between ingress bytes and egress bytes is expected. Symptom: When MPLS VRF stats (egress) is compared with Layer 2 interface egress stats, we can find that the packet count matches for both while there could be a discrepancy with the bytes count as shown below. l3EgrBytes5min (VRF stats) #moquery -d sys/ctx-[vxlan-2654209]/CDl3EgrBytes5min admitRate 111914848.002533 #l2EgrBytes5min -d sys/inst-overlay-1/rtd-[eth1/26]/CDl2EgrBytes5min (l2 Intf stats) unicastRate 110490768.866667 Conditions: If incoming encapsulation type, encapsulation header length and egress encapsulation type, encapsulation header length are different, then byte discrepancy is expected.
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