Brocade 6910 Ethernet Access Switch Diagnostic Guide (Supporting R2.2.0.0) - Manual (Page 63)

Brocade 6910 Ethernet Access Switch Diagnostic Guide 53
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IGMP snooping and MVR
This command displays information on statically configured and dynamically learned multicast
router ports. The following example shows a port discovered by the system which is attached to a
multicast router.
Console#show ip igmp snooping mrouter dynamic
VLAN M'cast Router Ports Type Expire
---- ------------------- ------- --------
1 Eth 1/1 Dynamic 00:05:09
The following example shows a port statically configured as attached to a multicast router.
Console#show ip igmp snooping mrouter static
VLAN M'cast Router Ports Type
---- ------------------- -------
1 Eth 1/1 Static
The following shows the ports in VLAN 1 which are attached to multicast routers.
Console#show ip igmp snooping mrouter vlan 1
VLAN M'cast Router Port Type
---- ------------------ -------
1 Eth 1/10 Static
Multicast Snooping debug commands
This section describes the debug commands used to debug IGMP snooping and MVR.
debug msl show-mrt-info
Syntax: debug msl show-mrt-info
This command shows the status of all Multicast Routing (MRT) interfaces.
Console#debug msl show-mrt-info
Group: 225.1.1.1, Source: 0.0.0.0, Upstream VLAN: 0, rp: 0
Flags: , SNP, , , , Hit Bit: 0
Snooping interface:
L2 interface: 1(Flags : CHIP,,,) port:1,
L2 interface: 5(Flags : CHIP,,,) port:5,
Multicast downstream interface:
MVR downstream interface:
Group: 225.1.1.3, Source: 0.0.0.0, Upstream VLAN: 0, rp: 0
Flags: , SNP, , , , Hit Bit: 0
Snooping interface:
L2 interface: 1(Flags : CHIP,,,) port:1,
Multicast downstream interface:
MVR downstream interface:
Group: 225.128.1.2, Source: 0.0.0.0, Upstream VLAN: 0, rp: 0
Flags: , SNP, , , , Hit Bit: 0
Snooping interface:
L2 interface: 1(Flags : CHIP,,,) port:1,