display dhcp snooping information

Use display dhcp snooping information to display Option 82 configuration on the DHCP snooping device.

Syntax

display dhcp snooping information { all | interface interface-type interface-number }

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

all: Displays Option 82 configuration on all Layer 2 Ethernet interfaces.

interface interface-type interface-number: Specifies an interface by its type and number.

Examples

# Display Option 82 configuration on all interfaces.

<Sysname> display dhcp snooping information all
Interface: Bridge-Aggregation1
   Status: Disable
   Strategy: Drop
   Circuit ID:
     Padding format: User Defined
       User defined: abcd
     Format: ASCII
   Remote ID:
     Padding format: Normal
     Format: ASCII
   VLAN 10:
     Circuit ID: abcd
     Remote ID: company

Table 20: Command output

Field	Description
Interface	Interface name.
Status	Option 82 status, Enable or Disable.
Strategy	Handling strategy for DHCP requests that contain Option 82, Drop, Keep, or Replace.
Circuit ID	Content of the Circuit ID sub-option.
Padding format	Padding format of Option 82: For Circuit ID sub-option, the padding format can be Normal, User Defined, Verbose (sysname), Verbose (MAC), or Verbose (user defined). For Remote ID sub-option, the padding format can be Normal, Sysname, or User Defined.
Node identifier	Access node identifier.
User defined	Content of the user-defined sub-option.
Format	Code type of Option 82 sub-option: For Circuit ID sub-option, the code type can be ASCII, Default, or Hex. For Remote ID sub-option, the code type can be ASCII or Hex.
Remote ID	Content of the Remote ID sub-option.
VLAN	Pads Circuit ID sub-option and Remote ID sub-option in the DHCP packets received in the specified VLAN.

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