3com S7906E Guide De Référence

 

1-35 

Use the undo pim dm command to disable PIM-DM.  

By default, PIM-DM is disabled.  

Note that: 

z 

This command can take effect only after IP multicast routing is enabled in the corresponding 

instance. 

z 

PIM-DM cannot be used for multicast groups in the SSM group range.  

Related commands: pim sm;  ssm-policy;  multicast routing-table in the Multicast Routing and 

Forwarding Commands in the IP Multicast Volume.  

# Enable IP multicast routing, and enable PIM-DM on VLAN-interface 100.  

<Sysname> system-view 

[Sysname] multicast routing-enable 

[Sysname] interface vlan-interface 100 

[Sysname-Vlan-interface100] pim dm 

pim hello-option dr-priority priority 

undo pim hello-option dr-priority  

Interface view 

2: System level 

priority: Router priority for DR election, in the range of 0 to 4294967295. A larger value of this argument 

means a higher priority. 

Use the pim hello-option dr-priority command to configure the router priority for DR election on the 

current interface.  

Use the undo pim hello-option dr-priority command to restore the system default.  

By default, the router priority for DR election is 1.  

Related commands: hello-option dr-priority.  

# Set the router priority for DR election to 3 on VLAN-interface 100. 

<Sysname> system-view 

[Sysname] interface vlan-interface 100 

[Sysname-Vlan-interface100] pim hello-option dr-priority 3