ZyXEL XGS4700-48F User Guide - Page 143
Static Multicast Forward Setup
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CHAPTER 11 Static Multicast Forward Setup Use these screens to configure static multicast address forwarding. 11.1 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 > Multicast Setting screen (see Section 24.3 on page 231). Figure 56 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 57 shows frames being forwarded to devices XGS4700-48F User's Guide 143
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