Huawei Quidway S3700 Series Configuration Manual page 223

Quidway S3700 Series Ethernet Switches
Configuration Guide - Security
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Data Preparation
To complete the configuration, you need the following data:
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Procedure
Step 1 Configure DHCP snooping.
# Enable global DHCP snooping on Switch A.
<Quidway> system-view
[Quidway] sysname SwitchA
[SwitchA] dhcp enable
[SwitchA] dhcp snooping enable
# Enable DHCP snooping on the interfaces of the Switch A. Take the configuration on GE 0/0/1
as an example. The configurations on GE 0/0/2, GE 0/0/3, and GE 0/0/4 are similar to the
configuration on GE 0/0/1 and are not mentioned here.
[SwitchA] interface gigabitethernet 0/0/1
[SwitchA-GigabitEthernet0/0/1] dhcp snooping enable
[SwitchA-GigabitEthernet0/0/1] quit
# Set the status of interface GE 0/0/1 on Switch A to Trusted.
[SwitchA] interface gigabitethernet 0/0/1
[SwitchA-GigabitEthernet0/0/1] dhcp snooping trusted
[SwitchA-GigabitEthernet0/0/1] quit
# Enable global DHCP snooping on Switch B.
<Quidway> system-view
[Quidway] sysname SwitchB
[SwitchB] dhcp enable
[SwitchB] dhcp snooping enable
# Enable DHCP snooping on the interfaces of the Switch B. Take the configuration on GE 0/0/1
as an example. The configurations on GE 0/0/2 is similar to the configuration on GE 0/0/1 and
are not mentioned here.
[SwitchB] interface gigabitethernet 0/0/1
[SwitchB-GigabitEthernet0/0/1] dhcp snooping enable
[SwitchB-GigabitEthernet0/0/1] quit
# Set the status of interface GE 0/0/1 on Switch B to Trusted.
[SwitchB] interface gigabitethernet 0/0/1
[SwitchB-GigabitEthernet0/0/1] dhcp snooping trusted
[SwitchB-GigabitEthernet0/0/1] quit
Step 2 Enable global MFF.
Issue 01 (2011-07-15)
Enable global MFF.
Configure the MFF network interfaces.
Enable MFF for the VLAN.
(Optional) Enable the function of timed gateway address detection.
(Optional) Configure the server.
VLAN ID of the MFF device
Type and number of the network interface to be configured
(Optional) IP address of the server to be configured
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8 MFF Configuration
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