Bug ID 794501: Duplicate if_indexes and OIDs between interfaces and tunnels

Last Modified: Nov 15, 2019

Bug Tracker

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 15.0.0, 15.0.1

Fixed In:
13.1.3.2

Opened: Jun 17, 2019
Severity: 3-Major

Symptoms

In certain instances, having a configuration with both tunnels and interfaces can result in duplicate if_indexes between a tunnel and an interface, which also results in duplicate OIDs for SNMP.

Impact

Duplicate if_indexes and duplicate OIDs. SNMP logs error messages: # tmsh list net interface all -hidden all-properties | egrep "(^net)|(if-index)"; tmsh list net vlan all -hidden all-properties | egrep "(^net)|(if-index)"; tmsh list net tunnel all-properties | egrep "(^net)|(if-index)" net interface 0.10 { if-index 64 <------------------------------- net interface mgmt { if-index 32 net vlan external { if-index 96 net vlan internal { if-index 112 net vlan test { if-index 128 net vlan tmm_bp { if-index 48 net tunnels tunnel http-tunnel { if-index 64 <------------------------------- net tunnels tunnel socks-tunnel { if-index 80 # snmpwalk -c public -v 2c localhost >/dev/null; tail /var/log/ltm -- notice sod[4258]: 010c0044:5: Command: running disable zrd bigstart. -- notice zxfrd[6556]: 01530007:5: /usr/bin/zxfrd started -- notice mcpd[3931]: 01070404:5: Add a new Publication for publisherID ZXFRD_Publisher and filterType 1024 -- info bigd[11158]: 0114002b:6: high availability (HA) daemon_heartbeat bigd enabled. -- info cbrd[6106]: 0114002b:6: high availability (HA) daemon_heartbeat cbrd enabled. -- notice mcpd[3931]: 01070404:5: Add a new Publication for publisherID cbrd and filterType 1152921504606846976 -- info runsm1_named[6104]: 0114002b:6: high availability (HA) proc_running named enabled. ========================= -- warning snmpd[5413]: 010e0999:4: Duplicate oid index found: bigip_if.c:374 -- warning snmpd[5413]: 010e0999:4: Duplicate oid index found: bigip_if.c:374 -- warning snmpd[5413]: 010e0999:4: Duplicate oid index found: bigip_if_x.c:289

Conditions

There is no completely predictable trigger, but at a minimum, a configuration with at least one interface and at least one tunnel is needed.

Workaround

No workaround currently known.

Fix Information

Duplicate if_indexes are no longer assigned to tunnels and interfaces. The resulting duplicate SNMP OIDs are prevented.

Behavior Change