3com S7906E 安装指导

 

1-24 

Enter IGMP-Snooping view 

igmp-snooping 

— 

Configure 802.1p precedence 
for IGMP messages 

dot1p-priority priority-number

Required 

The default 802.1p precedence 
for IGMP messages is 0. 

 

Follow these steps to configure 802.1p precedence for IGMP messages in a VLAN: 

Enter system view 

system-view 

— 

Enter VLAN view 

vlan vlan-id 

— 

Configure 802.1p precedence 
for IGMP messages in the 
VLAN 

igmp-snooping 
dot1p-priority priority-number

Required 

The default 802.1p precedence 
for IGMP messages is 0. 

 

Display IGMP snooping multicast 
group information (on a distributed 
device) 

display igmp-snooping group [ vlan 
vlan-id ] [ slot slot-number ] [ verbose ] 

Available in 
any view 

Display information about IGMP 
snooping multicast groups (on a 
distributed IRF device) 

display igmp-snooping group [ vlan 
vlan-id ] [ chassis chassis-number slot 
slot-number ] [ verbose ] 

Available in 
any view 

Display the statistics information of 
IGMP messages learned by IGMP 
snooping  

display igmp-snooping statistics 

Available in 
any view 

Clear IGMP snooping multicast 
group information  

reset igmp-snooping group 
{ group-address | all } [ vlan vlan-id ] 

Available in 
user view 

Clear the statistics information of all 
kinds of IGMP messages learned 
by IGMP snooping  

reset igmp-snooping statistics 

Available in 
user view 

 

z 

The reset igmp-snooping group command works only on an IGMP snooping–enabled VLAN, but 

not on a VLAN with IGMP enabled on its VLAN interface.  

z 

The  reset igmp-snooping group command cannot clear the IGMP snooping multicast group 

information for static joins.