Operation Manual
IGMP Snooping Commands
IGMP Snooping Commands
14 – 385
See Also
● show igmp mrouter on page 14-385
● show igmp querier on page 14-386
● show igmp receiver-table on page 14-387
● show igmp statistics on page 14-388
show igmp mrouter
Displays the multicast routers in an MX subnet, on one VLAN or all VLANs. Routers are listed
separately for each VLAN, according to the port number through which the switch can reach the
router.
Syntax
show igmp mrouter [vlan vlan-id]
Defaults
None.
Access
All.
History
Introduced in MSS Version 1.0.
Examples
The following command displays the multicast routers in VLAN orange:
MX# show igmp mrouter vlan orange
Multicast routers for vlan orange
Port Mrouter-IPaddr Mrouter-MAC Type TTL
---- --------------- ----------------- ----- -----
10 192.28.7.5 00:01:02:03:04:05 dvmrp 33
Table 14– 2 describes the fields in this display.
See Also
● set igmp mrouter on page 14-377
● show igmp mrouter on page 14-385
vlan vlan-id
VLAN name or number. If you do not specify a VLAN, MSS displays the multicast
routers in all VLANs.
Table 14– 2. Output for show igmp mrouter
Field Description
Multicast routers for vlan VLAN containing the multicast routers. Ports are listed separately for each
VLAN.
Port Number of the physical port through which the MX can reach the router.
Mrouter-IPaddr IP address of the multicast router.
Mrouter-MAC MAC address of the multicast router.
Type How the MX learned that the port is a multicast router port:
❑ conf — Static multicast port configured by an administrator
❑ madv—Multicast advertisement
❑ quer—IGMP query
❑ dvmrp—Distance Vector Multicast Routing Protocol (DVMRP)
❑ pimv1—Protocol Independent Multicast (PIM) version 1
❑ pimv2—PIM version 2
TTL Number of seconds before this entry ages out if unused. For static multicast
router entries, the TTL value is undef. Static multicast router entries do not
age out.