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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. hwL2mcCacLdpPwChannelCountExceed

SW_SNPG_1. hwL2mcCacLdpPwChannelCountExceed


SW_SNPG/4/LDPPWCNTEXCEED:OID [OID] Exceed the count limit on multicast groups. (PwId=[INTEGER], RemoteIpAddress=[IPADDR], ConfiguredValue=[INTEGER], CurrentMulticastGroup=[IPADDR])

Layer 2 multicast CAC detected that the number of multicast groups in a channel on a PW-side interface exceeded the configured limit.


Alarm ID Alarm Severity Alarm Type Warning equipmentAlarm(5)


Name Meaning


Indicates the MIB object ID of the alarm.


Indicates the PW ID.


Indicates the remote IP address of the PW.


Indicates the configured limit on the number of multicast groups.


Indicates the multicast group address.

Impact on the System

Multicast data cannot be forwarded to new multicast groups and users cannot join new multicast groups, but this is a result of normal configuration.

Possible Causes

Users connected to the PW-side interface attempted to join new multicast groups in the channel after the number of multicast groups in the channel on the PW-side interface reached or exceeded the configured limit.


  1. Run the display l2-multicast limit configuration vsi vsi-name remote-peer ip-address [ negotiation-vc-id vc-id ] command to check whether the limit on the number of multicast groups configured for the channel on the PW-side interface is too small.

    • If so, go to step 2.

    • If not, go to step 3.

  2. Increase the limit on the number of the multicast groups in the channel on the PW-side interface based on application requirements, and then check whether the alarm persists.

    • If so, go to step 3.

    • If not, no further action is required.

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

Document ID: EDOC1000142054

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