ALM-3276800229 The number of multicast and broadcast packets reported by an AP exceeded the alarm threshold

Description

WLAN/4/MCBC_EXCEED:OID [oid] The number of multicast and broadcast packets received on the AP exceeds the threshold 1000 pps for 10 seconds.(APMAC=[OPAQUE], APName=[STRING], APID=[INTEGER])

The number of multicast and broadcast packets reported by an AP exceeded the alarm threshold.

Attribute

Alarm ID	Alarm Severity	Alarm Type
3276800229	Warning	Quality of service alarm

Parameters

Name	Meaning
OID	Indicates the ID of the alarm MIB object.
APMAC	Indicates the MAC address of an AP.
APName	Indicates the AP name.
APID	Indicates the AP ID.

Impact on the System

If an AP reported too many multicast and broadcast packets, AP services are affected.

Possible Causes

The number of multicast and broadcast packets reported by the AP exceeded the alarm threshold.

Procedure

Check the networking, find senders of the multicast and broadcast packets, and optimize the networking. Check whether the alarm persists.
- If so, go to Step 2.
- If not, go to Step 4.
Run the traffic-optimize broadcast-suppression enable command in the AP system profile view to enable the rate limit for broadcast packets and IGMP multicast packets on the AP. Check whether the alarm persists.
- If so, go to Step 3.
- If not, go to Step 4.
Collect alarm, log, and configuration information, and contact technical support personnel.
End.