DGS-3024 Gigabit Ethernet Switch Manual
Static Router Ports Entry
A static router port is a port that has a multicast router attached to it. Generally, this router would have a connection to a WAN or
to the Internet. Establishing a router port will allow multicast packets coming from the router to be propagated through the
network, as well as allowing multicast messages (IGMP) coming from the network to be propagated to the router.
−
A router port has the following behavior:
−
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 a 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
window, as shown below.
Figure 7- 13. Current Static Router Ports Entries window
Select an entry and click
Modify
to access the following window:
Figure 7- 14. Static Router Ports Settings window
The following parameters can be viewed or 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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Summary of Contents for DGS-3024
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