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NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
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Verifying the MLD SSM Mapping Configuration

Verifying the MLD SSM Mapping Configuration

After configuring MLD Source-Specific Multicast (SSM) mapping, verify the configurations, including multicast groups configured with SSM mapping, SSM mapping rules of a specific multicast group, and SSM mapping status.

Prerequisites

MLD SSM mapping has been configured.

Procedure

  • Run the display mld interface [ interface-type interface-number | up | down ] [ verbose ] command to check the configurations and operating status of MLD on an interface.
  • Run the display mld group [ ipv6-group-address | interface interface-type interface-number ] * ssm-mapping [ verbose ] command to check details about MLD groups configured with SSM mapping.
  • Run the display mld ssm-mapping group [ ipv6-group-address ] command to check SSM mapping rules of a specified MLD group.

Example

Run the display mld interface verbose command. The command output shows details about MLD interfaces. The SSM-Mapping field shows whether the SSM mapping function is enabled on an interface.

<HUAWEI> display mld interface verbose
Interface information
 GigabitEthernet1/0/0(FE80::2E0:B4FF:FE35:FF01):
   MLD is enabled
   Current MLD version is 2
   MLD state: up
   MLD group policy: none
   Value of query interval for MLD (negotiated): 125 s
   Value of query interval for MLD (configured): 125 s
   Value of other querier timeout for MLD: 0 s
   Value of maximum query response time for MLD: 10 s
   Value of last listener query time: 2 s
   Value of last listener query interval: 1 s
   Value of startup query interval: 31 s
   Value of startup query count: 2
   General query timer expiry (hours:minutes:seconds): 00:00:28
   Querier for MLD: FE80::2E0:B4FF:FE35:FF01 (this router)
   MLD activity: 0 joins, 0 dones
   Robustness (negotiated): 2
   Robustness (configured): 2
   Require-router-alert: disabled
   Send-router-alert: enabled
   Prompt-leave: disabled
   SSM-Mapping: enabled
   Startup-query-timer-expiry: on
   Other-querier-present-timer-expiry: off

Run the display mld group ssm-mapping verbose command. The command output shows details about the MLD groups for which SSM mapping has been enabled.

<HUAWEI> display mld group ssm-mapping verbose
Interface group report information of VPN-Instance: public net
 GigabitEthernet1/0/0(FE80:1::101):
  Total entry on this interface: 1
  Total 1 MLD SSM-Mapping Group reported
   Group: FF37::1
     Uptime: 00:00:21
     Expires: 00:03:59
     Last reporter: FE80::208:A1FF:FE83:F82A
     Last-listener-query-counter: 0
     Last-listener-query-timer-expiry: off
     Version1-host-present-timer-expiry: off
     Source list:
       Source: 2001:db8:1::1
       Uptime: 00:00:21
       Source: 2001:db8:1::2
       Uptime: 00:00:21
       Source: 2001:db8:1::3
       Uptime: 00:00:21

Run the display mld ssm-mapping group command. The command output shows information about the SSM mapping rules of a specified MLD group.

<HUAWEI> display mld ssm-mapping group
MLD SSM-Mapping conversion table of VPN-Instance: public net
 Total 3 entries, 3 entries matched

 00001. (2001:db8:1::1, FF37::)

 00002. (2001:db8:1::2, FF37::)

 00003. (2001:db8:1::3, FF37::1)

Run the display mld ssm-mapping interface command. The command output shows information about the interfaces on which SSM mapping has been enabled.

<HUAWEI> display mld ssm-mapping interface
Interface information of VPN-Instance: public net
GigabitEthernet1/0/0(FE80::1)
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Updated: 2019-01-03

Document ID: EDOC1100055017

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