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Alarm Handling

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of alarms on the product.
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SW_SNPG_1. hwMCastTableLoadAbnormalNotify

SW_SNPG_1. hwMCastTableLoadAbnormalNotify


SW_SNPG/4/NOTIFYTRAP:[OID] Multicast table of router was full.

The number of Layer 2 multicast forwarding entries has reached the upper limit allowed by the system.


Alarm ID Alarm Severity Alarm Type Warning equipmentAlarm(5)


Name Meaning


Indicates the MIB object ID of the alarm.

Impact on the System

New multicast forwarding entries cannot be configured or learned on the switch.

Possible Causes

The total number of Layer 2 multicast forwarding entries exceeded 90% of the upper limit.


  1. Run the display igmp-snooping port-info command to view forwarding entries of all multicast groups, and then check whether unnecessary static multicast entries exist.

    • If so, go to step 2.

    • If not, no further action is required.

  2. Run the undo l2-multicast static-group group-address x.x.x.x command to delete unnecessary multicast entries, and check whether the alarm hwMCastTableLoadAbnormalResume is generated.

    • If so, no further action is required.

    • If not, go to step 3.

  3. Collect alarm, log, and configuration information, and contact technical support personnel.
Updated: 2019-08-21

Document ID: EDOC1000142054

Views: 191268

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