Dell PowerConnect 7048P User Manual - Page 757
Configuring MVR, show bridge multicast address-table
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console#show bridge multicast address-table Vlan ---100 100 MAC Address 0100.5E01.0101 0100.5E01.0102 Type ------Dynamic Dynamic Ports --------Gi1/0/1 Gi1/0/2 Forbidden ports for multicast addresses: Vlan MAC Address Ports 100 0100.5E01.0101 100 0100.5E01.0102 When the video server sends multicast data to group 225.1.1.1, Port 1 participates and receives multicast traffic, but Port 2 does not participate because it is a member of a different multicast group. Without IGMP snooping, all ports that are members of VLAN 100 would be flooded with traffic for all multicast groups, which would greatly increase the amount of traffic on the switch. Configuring MVR In this example, ports 1, 2, 8, and 9 are connected to hosts that occasionally request multicast data by sending IGMP join requests. These ports are configured as MVR receiver ports so that they can be treated as members of VLAN 99, the multicast VLAN, to receive multicast traffic. Ports 1 and 2 are members of VLAN 10, and ports 8 and 9 are members of VLAN 20. Port 24 connects the switch to the rest of the LAN, including the multicast router. The switch is configured to operate in MVR dynamic mode. This mode allows port 24, the MVR source port, to dynamically join the multicast group by sending an IGMP join message tagged with the MVR VLAN to the multicast router. In MVR compatible mode, the source port does not send IGMP join requests to the multicast router. When the switch operates in dynamic MVR mode, the multicast router does not need to be statically configured on the source port to receive the multicast data stream. Configuring L2 Multicast Features 757
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1,200
-
1,201
-
1,202
-
1,203
-
1,204
-
1,205
-
1,206
-
1,207
-
1,208
-
1,209
-
1,210
-
1,211
-
1,212
-
1,213
-
1,214
-
1,215
-
1,216
-
1,217
-
1,218
-
1,219
-
1,220
-
1,221
-
1,222
-
1,223
-
1,224
-
1,225
-
1,226
-
1,227
-
1,228
-
1,229
-
1,230
-
1,231
-
1,232
-
1,233
-
1,234