DES-3550 Layer 2 Fast Ethernet Switch User’s Guide
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• All IGMP Report packets will be forwarded to the router port.
•
IGMP queries (from the router port) will be flooded to all ports.
• All UDP multicast packets will be forwarded to the router port. Because routers do not
send IGMP reports or implement IGMP snooping, a multicast router connected to the
router port of the Layer 3 switch would not be able to receive UDP data streams unless
the UDP multicast packets were all forwarded to the router port.
A router port will be dynamically configured when IGMP query packets, RIPv2 multicast,
DVMRP multicast, or PIM-DM multicast packets are detected flowing into a port.
Open the
IGMP
folder and the click on the
Static Router Ports Entry
link to open the
Current Static Router Ports Entries page, as shown below.
Figure 6- 9. Current Static Router Ports Entries window
The Current Static Router Ports Entries page (shown above) displays all of the current
entries to the Switch’s static router port table. To add or modify an entry, click the Modify
button. This will open the Static Router Ports Settings page, as shown below.
Figure 6- 10. Static Router Ports Settings window
The following parameters can be set:
Parameter Description
VID (VLAN ID)
This is the VLAN ID that, along with the VLAN name, identifies the VLAN
where the multicast router is attached.
VLAN Name
This is the name of the VLAN where the multicast router is attached.
Member Ports
These are the ports on the Switch that will have a multicast router attached
to them.
Click Apply to implement the new settings. Click the Show All Static Router Port Entries link
to return to the
Current Static Router Port Entries
window.
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