Using the Telnet Console
The Router Port table contains the VLAN name, and under the port groupings (1 to 8, 9 to 16, 17 to 24, and 25 to 26), a port is assigned an “S” if the port is a static router port, a “D” if the port has been dynamically assigned to be a router port, or a
To view the IGMP snooping status
You can view IGMP group information for each VLAN.
1.From the Main Menu, select Network Monitoring IGMP Snooping Status and press Enter.
2.In the VLAN Name field, enter the name of the VLAN to retrieve IGMP snooping information. Highlight FIND and press Enter.
The IGMP Snooping Status screen contains the following information.
Column | Description |
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Multicast group | The IP address of a multicast group learned by IGMP snooping. |
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MAC address | The corresponding MAC address learned by IGMP snooping. |
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Reports | The number of IGMP reports for the listed source. |
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To view the IP multicast forwarding table
You can browse the IP multicast forwarding table for static and dynamic (learned) entries. You can also search the table using a combination of a multicast group IP address, a multicast source IP address, and a subnet mask.
1.From the Main Menu, select Network Monitoring IP Multicast Forwarding Table and press Enter.
2.Enter the following: a multicast group address, a source IP address, and a source subnet mask address. To find all multicast groups known to the switch, use 0.0.0.0 for all the addresses.
3.Highlight FIND and press Enter.
The IP Multicast Forwarding Table contains the following information.
Column | Description | |
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Multicast Group | The IP address of a multicast group used in the search for a specific entry. | |
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Source IP Addr. | The IP address of a multicast source used in the search for a specific entry. | |
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Source Mask | The subnet mask of a multicast source used in the search for a specific | |
entry. | ||
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Upstream Neighbor | The IP address of the next hop router between the multicast group and the | |
source. | ||
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Expire Time | The number of seconds the packets from the multicast source can live. | |
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Prot. | The multicast routing protocol used by the current source. | |
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To view the IGMP group table
You can view IGMP information for an IP interface name and a multicast group IP address.
1.From the Main Menu, select Network Monitoring IGMP Group Table and press Enter.
2.Enter the name of an IP interface and the IP address of a multicast group. To find all multicast groups, use 0.0.0.0 for the address.
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