HP (Hewlett-Packard) 2510G 用户手册

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页码 244
4-6
Multimedia Traffic Control with IP Multicast (IGMP)    
 
CLI: Configuring and Displaying IGMP
N o t e s
Whenever IGMP is enabled, the switch generates an Event Log message 
indicating whether querier functionality is enabled.
IP multicast traffic groups are identified by IP addresses in the range of 
224.0.0.0 to 239.255.255.255. Also, incoming IGMP packets intended for 
reserved, or “well-known” multicast addresses automatically flood through all 
ports (except the port on which the packets entered the switch). For more on 
this topic, see “Excluding Multicast Addresses from IP Multicast Filtering” on 
page 4-23.
For more information, refer to “How IGMP Operates” on page 4-11.
CLI: Configuring and Displaying IGMP 
IGMP Commands Used in This Section
show ip igmp configuration
config
vid [config]
group <ip address>
ip igmp
high-priority-forward
auto <[ethernet] <port-list>
blocked <[ethernet] <port-list>
forward <[ethernet] <port-list>
querier
show  ip  igmp 
See the appendix on monitoring and analyzing switch 
operation in the Management and Configuration 
Guide
.