Extreme Networks Summit1 - Manual (Page 175)

S UMMIT S WITCH I NSTALLATION AND U SER G UIDE 11-7
D ISPLAYING IP M ULTICAST R OUTING S ETTINGS
C ONFIGURATION FOR IR1
The following is the configuration for the router labeled IR1:
config vlan HQ_10_0_1 ipaddress 10.0.1.2 255.255.255.0
config vlan HQ_10_0_2 ipaddress 10.0.2.2 255.255.255.0
config ospf add vlan all
enable ipforwarding
enable ospf
enable ipmcforwarding
config dvmrp add vlan all
enable dvmrp
D ISPLAYING IP M ULTICAST R OUTING S ETTINGS
To display settings for IP multicast routing components, use the commands listed in
Table 11-3 .
Table 11-3: IP Multicast Routing Show Commands
Command Description
show dvmrp {vlan | route | all} Displays the DVMRP configuration and
statistics, or the unicast route table. The
default setting is
all .
show igmp snooping { | all} Displays IGMP snooping registration
information, and a summary of all IGMP
timers and states.
show ipmc cache { {
}} | all} Displays the IP multicast forwarding cache.
Information displayed includes the following:
■ IP group address
■
IP source address and mask
■
Upstream neighbor
■ Interface to upstream neighbor
■
Route expiration timer
■
Routing protocol
■
List of next hop interfaces and protocols
Summit.bk : 11IPMULT.FM Page 7 Thursday, June 18, 1998 9:27 AM