xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch CLI Reference Guide
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show igmp_snooping forwarding
Purpose
This command displays the Switch’s current IGMP snooping forwarding table.
Syntax
show igmp_snooping forwarding {[vlan <vlan_name 32> | vlanid <vlanid_list>]}
Description
It provides an easy way for users to check the list of ports that the multicast group that
comes from a specific sources will be forwarded to. The packet comes from the source
VLAN. They will be forwarded to the forwarding VLAN. The IGMP snooping further restricts
the forwarding ports.
Parameters
vlan
- (Optional) Specify the name of the VLAN for which you want to view IGMP snooping
forwarding table information.
<vlan_name 32>
- Enter the VLAN name here. The VLAN name can be up to 32 characters
long.
vlanid
- (Optional) Specify the ID of the VLAN for which you want to view IGMP snooping
forwarding table information.
<vlanid_list>
- Enter the VLAN ID list here.
If no parameter is specified, the system will display all current IGMP snooping forwarding
table entries of the Switch.
Restrictions
None.
Example usage:
To show all IGMP snooping forwarding entries located on the Switch:
DES-3528:admin# show igmp_snooping forwarding
Command: show igmp_snooping forwarding
VLAN Name : default
Source IP : 10.90.90.114
Multicast Group: 225.0.0.0
Port Member : 2,7
VLAN Name : default
Source IP : 10.90.90.10
Multicast Group: 225.0.0.1
Port Member : 2,5
VLAN Name : default
Source IP : 10.90.90.20
Multicast Group: 225.0.0.2
Port Member : 2,8
Total Entries : 3
DES-3528:admin#