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Cisco Bug: CSCur23521 - Wrong output octets counters for Dialer interface

Last Modified

Feb 19, 2018

Products (96)

  • Cisco IOS
  • Cisco 1905 Serial Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 819 Hardened Integrated Services Router
  • Cisco 886VA-CUBE Integrated Services Router
  • Cisco 812 CiFi Integrated Services Router
  • Cisco 898 Secure G.SHDSL EFM/ATM with Multi-Mode 4G LTE ISR Router
  • Cisco C897VA Integrated Services Router
  • Cisco 892W Integrated Services Router
  • Cisco C892FSP Integrated Services Router
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Known Affected Releases

15.2(3.10)T 15.2(4)M 15.4(2)T1 15.4(3)M

Description (partial)

Symptom:
When "ipIfStatsHCOutOctets" OID used for polling the Interface traffic stats based on IP address type for Dialer interface, counter returns the wrong counter value.

For example,  when actual IPV4 outgoing packets octet count is 890 KB, this "ipIfStatsHCOutOctets" 64-bit counter returns counter value to 20.94 GB.

This is also seen when using the "show interfaces" command on the router - the "output rate" on the Dialer interface will display an incorrectly large bits/sec value (while the packets/sec value is reasonable.)

Conditions:
This behavior is observed with:
SNMP queries for the 64-bit HC counter OID  "ipIfStatsHCOutOctets" (1.3.6.1.2.1.4.31.3.1.33)
or "show interface dialer<n>" output
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Bug Details Include

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