All MIBs › WS-TRAP-MIB › wsTrapWirelessStationTkipCounterMeasures
wsTrapWirelessStationTkipCounterMeasures
Module: WS-TRAP-MIB
OID (symbolic): WS-TRAP-MIB::wsTrapWirelessStationTkipCounterMeasures
OID (numeric): 1.3.6.1.4.1.388.14.5.1.7.1.24
Node type: NOTIFICATION-TYPE
Description: There have been 2 or more TKIP MIC checksum failures in the last 60 seconds, as a result that Wireless Lan has been disabled for 60 seconds. MIC failures can occur either because someone is trying to attack the network and guess your TKIP keys, or because of some stations that have drivers that generate invalid frames.
Solution: View the system logs to see which wireless station is generating these MIC failures. If it is on your network, then take that station off the network for now. Contact support.
Other Possibilities: If your network is setup for eap authentication with TKIP encryption, and there are frequent reauthentications, MIC failures can occur. If this is the case, try reducing the frequency of re-authentications, and see if it helps with the countermeasures. Again see if the failures are caused by one particular station.
Severity: TP_SEV_WARN
Message: Activated
Examples
Send this trap to an SNMP manager — replace <manager> with the IP or hostname of your monitoring server (SNMPv2c):
snmptrap -v2c -c public <manager> '' WS-TRAP-MIB::wsTrapWirelessStationTkipCounterMeasures snmptrap -v2c -c public <manager> '' 1.3.6.1.4.1.388.14.5.1.7.1.24
Listen for incoming traps on the manager host (-f keeps it in the foreground, -Lo prints to stdout — useful for testing):
snmptrapd -f -Lo -c /dev/null authCommunity log public
Example snmptrapd log entry:
zoo11-linux.zoo [UDP: [192.168.30.111]:51265->[192.168.30.10]:162]: DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (206998593) 23 days, 22:59:45.93 SNMPv2-MIB::snmpTrapOID.0 = OID: WS-TRAP-MIB::wsTrapWirelessStationTkipCounterMeasures
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OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.388 | symbol | SYMBOL-DSSS-ENTERPRISE-PRIVATE-MIB |
| 1.3.6.1.4.1.388.14 | ws | WS-SMI |
| 1.3.6.1.4.1.388.14.5 | wsTrap | WS-SMI |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.388.14.5.1 | wsTrapMIB | WS-TRAP-MIB |
| 1.3.6.1.4.1.388.14.5.1.7 | wsTrapWireless | WS-TRAP-MIB |
| 1.3.6.1.4.1.388.14.5.1.7.1 | wsTrapWirelessStation | WS-TRAP-MIB |
| 1.3.6.1.4.1.388.14.5.1.7.1.24 | wsTrapWirelessStationTkipCounterMeasures | WS-TRAP-MIB |