Zyxel XS3700-24 [103/440] Static multicast forward setup

Zyxel XS3700-24 [103/440] Static multicast forward setup
XS3700 Series User’s Guide
103
CHAPTER 9
Static Multicast Forward Setup
Use these screens to configure static multicast address forwarding.
9.1 Static Multicast Forwarding Overview
A multicast MAC address is the MAC address of a member of a multicast group. A static multicast
address is a multicast MAC address that has been manually entered in the multicast table. Static
multicast addresses do not age out. Static multicast forwarding allows you (the administrator) to
forward multicast frames to a member without the member having to join the group first.
If a multicast group has no members, then the switch will either flood the multicast frames to all
ports or drop them. You can configure this in the Advanced Application > Multicast > IPv4
Multicast > IGMP Snooping screen (see Section 23.3.1 on page 188). Figure 61 shows such
unknown multicast frames flooded to all ports. With static multicast forwarding, you can forward
these multicasts to port(s) within a VLAN group. Figure 62 shows frames being forwarded to
devices connected to port 3. Figure 63 shows frames being forwarded to ports 2 and 3 within VLAN
group 4.
Figure 61 No Static Multicast Forwarding
Figure 62 Static Multicast Forwarding to A Single Port

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