Configuring the Switch
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•Multicast IP – The IP address for a specific multicast service
•Port or Trunk – Specifies the interface attached to a multicast router/switch.
Web – Click IGMP Snooping, IGMP Member Port Table. Specify the interface
attached to a multicast service (via an IGMP-enabled switch or multicast router),
indicate the VLAN that will propagate the multicast service, specify the multicast IP
address, and click Add. After you have completed adding ports to the member list,
click Apply.
Figure3-87 IGMP Member Port Table
CLI – This example assigns a multicast address to VLAN 1, and then displays all the
known multicast services supported on VLAN 1.
Configuring Domain Name ServiceThe Domain Naming System (DNS) service on this switch allows host names to be
mapped to IP addresses using static table entries or by redirection to other name
servers on the network. When a client device designates this switch as a DNS
server, the client will attempt to resolve host names into IP addresses by forwarding
DNS queries to the switch, and waiting for a response.
You can manually configure entries in the DNS table used for mapping domain
names to IP addresses, configure default domain names, or specify one or more
name servers to use for domain name to address translation.
Console(config)#ip igmp snooping vlan 1 static 224.1.1.12
ethernet 1/12 4-202
Console(config)#exit
Console#show mac-address-table multicast vlan 1 4-204
VLAN M'cast IP addr. Member ports Type
---- --------------- ------------ -------
1 224.1.1.12 Eth1/12 USER
1 224.1.2.3 Eth1/12 IGMP
Console#