display dhcp relay information

Syntax

display dhcp relay information { all | interface interface-type interface-number } [ | { begin | exclude | include } regular-expression ]

View

Any view

Default level

1: Monitor level

Parameters

all: Displays Option 82 configuration information about all interfaces.

interface interface-type interface-number: Displays Option 82 configuration information about a specific interface.

|: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide.

begin: Displays the first line that matches the specified regular expression and all lines that follow.

exclude: Displays all lines that do not match the specified regular expression.

include: Displays all lines that match the specified regular expression.

regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.

Description

Use display dhcp relay information to display Option 82 configuration information on the DHCP relay agent.

Examples

# Display Option 82 configuration information about all interfaces.

<Sysname> display dhcp relay information all
Interface: Vlan-interface100
    Status: Enable
    Strategy: Replace
    Format: Verbose
    Circuit ID format-type: HEX
    Remote ID format-type: ASCII
    Node identifier: aabbcc
    User defined:
         Circuit ID: company001
Interface: Vlan-interface200
    Status: Enable
    Strategy: Keep
    Format: Normal
    Circuit ID format-type: HEX
    Remote ID format-type: ASCII
    User defined:
         Remote ID: device001

Table 11: Command output

Field	Description
Interface	Interface name.
Status	Option 82 state, which can be Enable or Disable.
Strategy	Handling strategy for requesting messages containing Option 82, which can be Drop, Keep, or Replace.
Format	Padding format of Option 82, which can be Normal or Verbose.
Circuit ID format-type	Non-user-defined code type of the circuit ID sub-option, which can be ASCII or HEX.
Remote ID format-type	Non-user-defined code type of the remote ID sub-option, which can be ASCII or HEX.
Node identifier	Access node identifier.
User defined	Content of user-defined sub-options.
Circuit ID	User-defined padding content of the circuit ID sub-option.
Remote ID	User-defined padding content of the remote ID sub-option.

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