3com S7906E Guide De Référence

 

1-28 

mask-length: Subnet mask length of the multicast group address, in the range of 4 to 32.  

source-address: Specifies a multicast source by its IP address. 

all: Removes all IGMP SSM mappings. 

Use the ssm-mapping command to configure an IGMP SSM mapping. 

Use the undo ssm-mapping command to remove one or all IGMP SSM mappings. 

By default, no IGMP SSM mappings are configured. 

Related commands: igmp ssm-mapping enable, display igmp ssm-mapping. 

# Configure an IGMP SSM mapping in the public instance for multicast groups in the range of  

225.1.1.0/24 and multicast source 125.1.1.1.  

<Sysname> system-view 

[Sysname] igmp 

[Sysname-igmp] ssm-mapping 225.1.1.0 24 125.1.1.1 

startup-query-count value 

Public instance IGMP view, VPN instance IGMP view 

2: System level 

value: Startup query count, namely, the number of queries the IGMP querier sends on startup, with an 

effective range of 2 to 5.  

Use the startup-query-count command to configure the startup query count globally.  

Use the undo startup-query-count command to restore the system default.  

By default, the startup query count is set to the IGMP querier robustness variable.  

 

By default, the IGMP querier robustness variable is 2, so the startup query count is also 2.  

 

Related commands: igmp startup-query-count, robust-count.