Bug ID 643638: Duplicated routing table entry causes "Error: OID not increasing" from snmpwalk

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IQ Platform(all modules)

Known Affected Versions:
4.4.0, 4.5.0, 4.6.0, 5.0.0, 5.0.0 HF1, 5.4.0 HF1, 5.4.0 HF2, 5.1.0

Opened: Feb 07, 2017

Severity: 3-Major

Related Article: K23023481

Symptoms

When running the snmpwalk utility, an error is seen similar to: Error: OID not increasing: IP-FORWARD-MIB::ipCidrRouteDest...

Impact

Snmpwalk may fail or snmpd may core.

Conditions

This issue occurs on typical BIG-IQ installs with the affected versions, because of a duplicate routing table entry.

Workaround

Deleting the duplicate routing table entry will temporarily work around this issue, but the duplicate entry will be restored on the next reboot. In a bash command shell, run the "ip route" command. Examine the output to identify the two entries with the same destination network. Delete the entry that includes "metric 9" by running "ip route del <entry>", where <entry> is the line of "ip route" output that describes the entry. For example: # ip route del 172.27.64.0/24 dev eth0 scope link src 172.27.64.29 metric 9

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips