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DES-3326 Layer 3 Fast Ethernet Switch User’s Guide
Figure 6-52. Setup IEEE 802.1Q Multicast Forwarding screen
When the switch is in Layer 2 operating mode, IEEE 802.1Q multicast forwarding allows the static
entry of multicast MAC addresses, which will be sources of multicast packets, and switch port
numbers, to which these multicast packets will be forwarded. The ports that can be chosen as the
destination for multicast packets from the above MAC multicast address, are limited to the ports
belonging to the VLAN that corresponds to the VID entered in the VID field.
Each port of a given VLAN can be configured as an egress member, a forbidden non-member, or as a
non-member of the multicast group that will receive multicast packets from the multicast MAC address,
by toggling the entry below each port of the VLAN to the appropriate code.
Parameter Description
Action:
<Add/Modify>
The field can be toggled between Add/Modify and Delete using the space
bar. To add a new entry to the multicast forwarding table, select Add/Modify
and enter the VID of the VLAN that will be receiving the multicast packets.
Enter the MAC address of the multicast source, and then enter the member
ports. Delete allows for the deletion of a previously made entry.
VID:[ ]
Allows the specification of the VLAN ID (VID) of the VLAN the static
multicast group member belongs to.
Multicast MAC
Address:[ ]
Allows the entry of the MAC address of a static multicast group member.
(E/F/-): [ ][ ][ ]
To set a port’s multicast group membership status, highlight the first field
of. Each port’s multicast group membership can be set individually by
highlighting the port’s entry using the arrow keys, and then toggling
between E, F, or – using the space bar.
E
Egress Member – specifies the port as being a static member of the multicast
group. Egress Member Ports are ports that will be transmitting traffic for the
multicast group.
F
Forbidden Non-Member - specifies the port as not being a member of the
multicast group and that the port is forbidden from becoming a member of
the multicast group dynamically.
-
Non-Member - specifies the port as not being a member of the multicast
group, but the port can become a member of the multicast group
dynamically.
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