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 <name> | route | all} Displays the DVMRP configuration and
statistics, or the unicast route table. The
default setting is
all
.
show igmp snooping {<vlan <name> | all} Displays IGMP snooping registration
information, and a summary of all IGMP
timers and states.
show ipmc cache {<group> {<src_ipaddress>
<mask>}} | 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
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