User Manual

Table Of Contents
Chapter 8
IP multicast control
8.1 IP multicast basic settings
8.1.1 Set processing method for unknown multicast frames
[Syntax]
l2-unknown-mcast mode
[Parameter]
mode : Sets the processing method for multicast frames
Setting value Description
discard Discard
flood Flood
[Initial value]
l2-unknown-mcast flood
[Input mode]
global configuration mode
[Description]
Specifies the processing method for multicast frames that are not registered in the MAC address table.
[Example]
Discard unknown multicast.
SWP2(config)#l2-unknown-mcast discard
8.1.2 Forwarding settings for unknown multicast frames
[Syntax]
l2-unknown-mcast forward ipv4_addr vlan_ifname
l2-unknown-mcast forward link-local
no l2-unknown-mcast forward ipv4_addr vlan_ifname
no l2-unknown-mcast forward link-local
no l2-unknown-mcast forward
[Keyword]
link-local : Frames where the destination IP address is a link-local multicast address (see note for details)
[Parameter]
ipv4_addr : A.B.C.D
IPv4 multicast address
vlan_ifname : VLAN interface name
[Initial value]
None
[Input mode]
global configuration mode
[Description]
When l2-unknown-mcast discard is set, multicast frames for the destination specified by this command are forwarded without
being discarded.
230 | Command Reference | IP multicast control