<SwitchA> system-view
[SwitchA] vlan 20
[SwitchA-vlan20] quit
[SwitchA] interface gigabitethernet 1/0/1
[SwitchA-GigabitEthernet1/0/1] port link-type access
[SwitchA-GigabitEthernet1/0/1] port default vlan 20
[SwitchA-GigabitEthernet1/0/1] quit
# Configure Switch B.
<SwitchB> system-view
[SwitchB] vlan 20
[SwitchB-vlan20] quit
[SwitchB] interface gigabitethernet 1/0/0
[SwitchB-GigabitEthernet1/0/0] port link-type access
[SwitchB-GigabitEthernet1/0/0] port default vlan 20
[SwitchB-GigabitEthernet1/0/0] quit
[SwitchB] interface gigabitethernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] port link-type trunk
[SwitchB-GigabitEthernet1/0/1] port trunk allow-pass vlan 10
Step 2 Enable global IGMP snooping on Switch A and Switch B.
[SwitchA] igmp-snooping enable
[SwitchB] igmp-snooping enable
Step 3 Enable IGMP snooping in VLANs.
# Enable IGMP snooping for VLAN 10 and VLAN 20 on Switch B.
[SwitchB] vlan 20
[SwitchB-vlan20] igmp-snooping enable
[SwitchB-vlan20] quit
[SwitchB] vlan 10
[SwitchB-vlan10] igmp-snooping enable
# Enable IGMP snooping for VLAN 20 on Switch A.
[SwitchA] vlan 20
[SwitchA-vlan20] igmp-snooping enable
Step 4 Configure Layer 2 multicast CAC in the system view and configure the group limit to 100
globally. The multicast CAC limits the number of multicast groups in VLAN 20 to 50 and the
number of multicast group members in channel bjtv in VLAN 20 to 15
[SwitchB] l2-multicast limit max-entry 100
[SwitchB] l2-multicast limit max-entry 50 vlan 20
[SwitchB] l2-multicast limit channel bjtv max-entry 15 vlan 20
Step 5 Configure Layer 2 multicast CAC on GE1/0/1 of Switch B. The VLAN-based multicast CAC
is configured on GE1/0/1 in VLAN 10 to limit the channel that users can join to cctv and the
number of members in the channel to 20
[SwitchB]interface gigabitethernet 1/0/1
[SwitchB-GigabitEthernet1/0/1]l2-multicast limit channel cctv max-entry 20 vlan 10
Step 6 Verify the configuration.
Run the display l2-multicast limit configuration command to check the configurations of Layer
2 multicast CAC.
The following are the configurations of Switch B.
[SwitchB] display l2-multicast limit configuration
L2-multicast limit information, The unit of bandwidth is kbits/sec
---------------------------------------------------------------------
ConfigEntries ConfigBandwidth
CurrentEntries CurrentBandwidth
---------------------------------------------------------------------
Global limit information:
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 2 IGMP Snooping Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
47
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