Enable Dhcp Snooping - H3C S5810 Series Operation Manual

Ethernet switches

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Configuration procedure

# Enable DHCP snooping.

<SwitchA> system-view

[SwitchA] dhcp-snooping

# Specify GigabitEthernet1/0/1 as trusted.

[SwitchA] interface GigabitEthernet1/0/1

[SwitchA-GigabitEthernet1/0/1] dhcp-snooping trust

[SwitchA-GigabitEthernet1/0/1] quit

# Configure GigabitEthernet1/0/2 to support Option 82.

[SwitchA] interface GigabitEthernet1/0/2

[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information enable

[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information strategy replace

[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information circuit-id string company001

[SwitchA-GigabitEthernet1/0/2] dhcp-snooping information remote-id string device001

[SwitchA-GigabitEthernet1/0/2] quit

# Configure gigabitethernet 1/0/3 to support Option 82.

[SwitchA] interface gigabitethernet 1/0/3

[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information enable

[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information strategy replace

[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information format verbose node-identifier

[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information circuit-id format-type ascii

[SwitchA-gigabitethernet 1/0/3] dhcp-snooping information remote-id format-type ascii

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