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Cisco Bug: CSCvs06859 - Input rate counter in the show interface tunnel <X> output is not increasing

Last Modified

Sep 18, 2020

Products (1)

  • Cisco Catalyst 4500 Series Switches

Known Affected Releases

12.3(11)

Description (partial)

Symptom:
Input rate counter in the show interface tunnel <X> output is not increasing and there is actively passing traffic:

Tunnel21 is up, line protocol is up 
  
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 2725000 bits/sec, 998 packets/sec

Conditions:
Normal GRE configuration:

interface Tunnel21
 description Zscaler GRE Primary (outside)
 bandwidth 1000000
 ip address 172.20.16.177 255.255.255.252
 ip mtu 1400
 ip tcp adjust-mss 1360
 tunnel source Loopback3
 tunnel destination 104.129.200.36
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