Using the BayStack 450 10/100/1000 Series Switch
3-82 309978-D Rev 01
Configuring Ports as Static Router Ports
If you specify a port as a Static Router Port in the IGMP Configuration screen,
that port will receive all the IP multicast-related information (such as, Host
Membership Report, Host Membership Query, and IP multicast UDP data).
This feature is provided for certain legacy routers that are unable to
periodically generate a Host Membership Query. If you configure a port as a
static router port, the IP multicast traffic can still be forwarded to any
dynamically detected IGMP routers.
If you are sure that it is required for your particular legacy router, configure
only the switch ports that have the most direct path to the legacy router as the
static router ports. This action will avoid misconfigurations that can prevent
you from receiving IGMP multicast traffic.
Static Router Ports Allows you to assign switch ports to receive all IP multicast-related traffic. When the
unit is part of a stack configuration, the screen displays the unit numbers of the
switches configured in the stack, along with the corresponding ports.
The configured ports do not filter any IP multicast traffic. The Static Router Ports
field values are displayed in six-port groups (for example, 1-6, 7-12, 13-18). The
number of ports displayed depends on the switch model or type of optional MDA
that is installed in the Uplink Module slot.
This field affects all VLANs (for example, if you assign a port as a static router port
in this screen, the port becomes a static router port for the VLAN specified in the
screen’s VLAN field, and also for any other VLAN where this port is a member).
See also “Configuring Ports as Static Router Ports” following this table.
Default -
Range -, X
Note: In most cases, configuring ports as Static Router Ports is not necessary
and can prevent you from receiving IGMP multicast traffic. You should
configure a static router port only if you are certain that it is required for your
particular router. Most routers will be dynamically detected as IGMP routers,
in which case no configuration is required.
Table 3-29. IGMP Configuration Screen Fields (continued)
Field Description
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