dhcp-snooping information strategy

Syntax

dhcp-snooping information strategy { append |drop | keep | replace }

undo dhcp-snooping information strategy

View

Layer 2 Ethernet port view, Layer 2 aggregate interface view

Default level

2: System level

Parameters

append: Forwards the message containing Option 82 after adding content to the sub-option 9 of option 82. The append strategy is supported only when the private padding format and sub-option 9 are configured. In other cases, the device forwards the message without changing Option 82.

drop: Drops the message containing Option 82.

keep: Forwards the message containing Option 82 without changing Option 82.

replace: Forwards the message containing Option 82 after replacing the original Option 82 with the one padded in specified format.

Description

Use dhcp-snooping information strategy to configure the handling strategy for Option 82 in requesting messages.

Use undo dhcp-snooping information strategy to restore the default.

By default, the handling strategy for Option 82 in requesting messages is replace.

Related commands: display dhcp-snooping information, dhcp-snooping information format and dhcp-snooping information sub-option.

Examples

# Configure the handling strategy for Option 82 in requesting messages as keep.

<Sysname> system-view
[Sysname] interface Ethernet1/0/1
[Sysname-Ethernet1/0/1] dhcp-snooping information enable
[Sysname-Ethernet1/0/1] dhcp-snooping information strategy keep