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[SwitchB-Ethernet1/0/6] dhcp-snooping trust

Auto-mode MFF configuration example in a ring network

Network requirements

As shown in Figure 141, all the devices are in VLAN 100, and the switches form a ring. Host A, Host B,

and Host C obtain IP addresses from the DHCP server. They are isolated at Layer 2, and can

communicate with each other through Gateway. MFF automatic mode is enabled on Switch A and

Switch B.

Figure 141 Network diagram

Configuration procedure

1. Configure Gateway

# Configure the IP address of VLAN-interface 1.

<Gateway> system-view

[Gateway] interface Vlan-interface 1

[Gateway-Vlan-interface1] ip address 10.1.1.100 24

2. Configure the DHCP server

# Enable DHCP and configure an address pool.

<Device> system-view

[Device] dhcp enable

[Device] dhcp server ip-pool 1

[Device-dhcp-pool-1] network 10.1.1.0 mask 255.255.255.0

# Add gateway’s IP address into DHCP address pool 1.

[Device-dhcp-pool-1] gateway-list 10.1.1.100

[Device-dhcp-pool-1] quit

# Configure the IP address of VLAN-interface 1.

[Device] interface Vlan-interface 1

[Device-Vlan-interface1] ip address 10.1.1.50 24

3. Configure Switch A

# Enable DHCP snooping.

<SwitchA> system-view

[SwitchA] dhcp-snooping

HP 3600 v2 Series Security Configuration Guide

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