Configuring IP Multicast Traffic Reduction
December 2005 © Foundry Networks, Inc. 18 - 11
Displaying Multicast Information for a Specific Group
You can display multicast information for a specific group, by entering a command such as the following at any
level of the CLI:
Syntax: show ip multicast <group-address>
This display shows the following information.
Displaying Usage of Hardware Resource by Multicast Groups
You can display how much hardware resource (CAM and FID) is currently being used by multicast groups by
entering a command such as the following at any level of the CLI:
If you want to display the amount of hardware resource that is currently being used by a specific group, enter a
command such as the following at any level of the CLI:
Syntax: show ip multicast hardware [<group-address> | vlan <vlan-id>]
This Field... Displays...
VLAN ID The port-based VLAN to which the information listed applies.
Active The IP address of the device that actively sends IGMP queries.
Router Ports The ports that are connected to routers that support IP multicast.
Group Address of the IP multicast group.
Note: The fid and camindex values are used by Foundry Technical
Support for troubleshooting.
Forwarding Port The forwarding ports for the IP multicast group.
FastIron SuperX Switch# show ip multicast 239.255.162.2
VLAN ID 100
Active 1.100.100.7 Router Ports 3/1 3/2 3/3
Group: 239.255.162.2, fid 08aa, cam 8
Forwarding Port: 3/1 3/2
group 239.255.162.2 in 1 vlans
FastIron SuperX Switch# show ip multicast hardware
Hw resource is shared by groups with the same lower 23 bits
VLAN ID 2
Total number of HW resource in vlan: 1
1 Group: 0.1.1.1, HW-ref-cnt=1, vidx 8191
Forwarding Port: 2
VLAN ID 1
Total number of HW resource in vlan: 0
FastIron SuperX Switch# show ip multicast hardware 239.255.163.2
VLAN ID 100
Group: 239.255.163.2, HW-ref-cnt=1, fid 08a9, cam 10, dma=8,
Forwarding Port: 1 2
group 239.255.163.2 in 1 vlans
To Next Page
Loading...
Need help?
General
