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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 IGMP Source-Specific Multicast (SSM) Mapping Configuration

Verifying the IGMP Source-Specific Multicast (SSM) Mapping Configuration

After configuring IGMP SSM mapping, verify the configuration, including multicast groups configured with SSM mapping, SSM mapping rules of a specific multicast group, and SSM mapping status.

Prerequisites

IGMP SSM mapping has been configured.

Procedure

  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] interface [ interface-type interface-number | up | down ] [ verbose ] command to check the configurations and operating status of IGMP on an interface.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] group [ group-address | interface interface-type interface-number ] * ssm-mapping [ verbose ] command to check details about IGMP groups configured with SSM mapping.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] ssm-mapping group [ group-address ] command to check SSM mapping rules of a specified IGMP group.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] ssm-mapping interface [ interface-type interface-number ] command to check whether the SSM mapping function is enabled on an interface.
  • Run the display igmp [ vpn-instance vpn-instance-name | all-instance ] dns-ssm-mapping [ group group-address ] command to view information about DNS-based SSM mapping.

Example

Run the display igmp interface verbose command. The command output shows details about IGMP interfaces in the public network instance. The SSM-Mapping field shows whether the SSM mapping function is enabled.

<HUAWEI> display igmp interface verbose
Interface information of VPN-Instance: public net
 GigabitEthernet1/0/0(192.168.101.1):
   IGMP is enabled
   Current IGMP version is 2
   IGMP state: up
   IGMP group policy: none
   IGMP limit: -
   IGMP access-limit: 5  except: 2002
   Value of query interval for IGMP (negotiated): -
   Value of query interval for IGMP (configured): 60 s
   Value of other querier timeout for IGMP: 0 s
   Value of maximum query response time for IGMP: 10 s
   Value of last member query time: 2 s
   Value of last member query interval: 1 s
   Value of startup query interval: 15 s
   Value of startup query count: 2
   General query timer expiry (hours:minutes:seconds): 00:00:44
   Querier for IGMP: 192.168.101.1 (this router)
   IGMP activity: 4 joins, 0 leaves
   Robustness (negotiated): -
   Robustness (configured): 2
   Require-router-alert: disabled
   Send-router-alert: enabled
   Ip-source-policy: disabled
   Prompt-leave: disabled
   SSM-Mapping: enabled
   Startup-query-timer-expiry: off
   Other-querier-present-timer-expiry: off
  Total 2 IGMP Groups reported 

Run the display igmp group ssm-mapping command. The command output shows IGMP groups for which SSM mapping has been enabled.

<HUAWEI> display igmp group ssm-mapping
 IGMP SSM mapping Interface group report information of VPN-Instance: public net
 Limited entry of this VPN-Instance: -
 GigabitEthernet1/0/0(192.168.101.1):
  Total 1 IGMP SSM-Mapping Group reported
   Group Address   Last Reporter   Uptime      Expires
   232.0.0.1       192.168.101.1   00:00:02    00:02:08 

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

<HUAWEI> display igmp ssm-mapping group
IGMP SSM-Mapping conversion table of VPN-Instance: public net
 Total 2 entries    2 entries matched

 00001. (10.1.0.2, 225.1.1.0)

 00002. (10.1.0.2, 239.255.255.0)

 Total 2 entries matched

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

<HUAWEI> display igmp ssm-mapping interface
Interface information of VPN-Instance: public net
 GigabitEthernet1/0/0(192.168.19.2)
Run the display igmp dns-ssm-mapping command. The command output shows information about DNS-based SSM mapping.
<HUAWEI> display igmp dns-ssm-mapping
IGMP SSM-Mapping conversion table of VPN-Instance: public net

 00001. Group: 232.0.0.1
          Domain: 1.0.0.232.in-addr.arpa
          Number of sources: 2
          Source address list:
            12.12.12.23
            12.12.12.24
 00002. Group: 232.0.0.2
          Domain: 2.0.0.232.in-addr.arpa
          Number of sources: 2
          Source address list:
            12.12.12.25
            12.12.12.26
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Updated: 2019-01-03

Document ID: EDOC1100055017

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