Bug ID 477111: Dual management routes in the main routing table

Last Modified: Feb 13, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.2, 11.4.1 HF9

Opened: Aug 28, 2014
Severity: 4-Minor
Related AskF5 Article:
K16162

Symptoms

Dual management routes might exist in the default routing table, main. On version 11.6.0, the the system also produces an error message when querying SNMP ipCidrRouteTable.

Impact

On affected versions earlier than 11.6.0, there are dual management routes in the main routing table. On version 11.6.0, you might also receive an error upon querying SNMP ipCidrRouteTable and/or snmpd core.

Conditions

In versions earlier that 11.6.0, conditions are unknown other than observing the dual management routes in the main routing table. On version 11.6.0, the condition is snmpwalking ipCidrRouteTable.

Workaround

To recover from this issue, delete the duplicate route.

Fix Information

The main routing table now has a single entry for the management network.

Behavior Change