Maipu Administration Guide

Configure L2 Static Multicast Example

Network Requirements

Device1 configures multicast routing protocol; Device2 configures L2 static multicast in VLAN2; PC1 is the receiver of multicast service; PC2 and PC3 are not the receiver of multicast service.
Multicast Server sends multicast service packets; PC1 can receive multicast service packets correctly; PC2 and PC3 cannot receive multicast service packets.

Network Topology

Network topology of configuring L2 static multicast

Figure 1-1 Network topology of configuring L2 static multicast

Configuration Steps

Step 1: Device1 configures interface IP address and enables multicast routing protocol. (omitted)

Step 2: Configure Device2.

#Create VLAN2 on Device2.

Device2#configure terminal
Device2(config)#vlan 2
Device2(config-vlan2)#exit

#Configure the link type of port gigabitethernet0/2 - gigabitethernet0/4 on Device2 as Access, permitting the services of VLAN2 to pass.

Device2(config)#interface gigabitethernet 0/2-0/4
Device2(config-if-range)#switchport access vlan 2
Device2(config-if-range)#exit

#Configure the link type of port gigabitethernet0/1 on Device2 as Trunk, permitting the services of VLAN2 to pass. Configure PVID as 1.

Device2(config)#interface gigabitethernet 0/1
Device2(config-if-gigabitethernet0/1)#switchport mode trunk
Device2(config-if-gigabitethernet0/1)#switchport trunk allowed vlan add 2
Device2(config-if-gigabitethernet0/1)#switchport trunk pvid vlan 1
Device2(config-if-gigabitethernet0/1)#exit

# Enable dropping unknown multicast in VLAN2.

Device2(config)#vlan 2
Device2(config-vlan2)#l2-multicast drop-unknown
Device2(config-vlan2)#exit

#Configure the members of L2 static multicast group.

Device2(config)#l2-multicast mac-entry static 0100.5E01.0101 vlan 2
Device2(config-mcast)#interface gigabitethernet 0/2 member
Device2(config-mcast)#exit
Device2(config)#l2-multicast mac-entry static 0100.5E01.0101 vlan 2
Device2(config-mcast)#interface gigabitethernet 0/3 forbidden
Device2(config-mcast)#exit

Step 3: Check the result.

#View the L2 static multicast entry of Device2.

Device2#show l2-multicast mac-entry static
Current L2 Static Multicast 2 entries 
---- ----   ----------------    ---------------
NO.  VID    Group MAC address  Interface Name 
1    2      0100.5E01.0101     [M] gi0/2   
2    2	    0100.5E01.0101     [F] gi0/3

#Multicast Server sends the multicast service packets with destination address 224.1.1.1. PC1 can receive the multicast service packets correctly; PC2 and PC3 cannot receive multicast service packets.