Specifications

RoamAbout Mobility System Software Command Line Reference 13-19
show igmp mrouter
DisplaysthemulticastroutersinaRoamA boutswitch’s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]
Parameters
Defaults
None.
Mode
All.
Example
ThefollowingcommanddisplaysthemulticastroutersinVLANorange:
RBT-8100# 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 13‐2describesthefieldsinthisdisplay.
vlanvlan‐id VLANnameornumber.Ifyoudonotspeci fyaVLAN,MSSdisplaysthe
multicastroutersinallVLANs.
Table 13-2 Output for show igmp mrouter
Output What It Displays...
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 RoamAbout switch can reach
the router.
Mrouter-IPaddr IP address of the multicast router.
Mrouter-MAC MAC address of the multicast router.
Type How the RoamAbout switch 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