Dhcp-Snooping Information Format - HP A5120 EI Series Command Reference Manual

<Sysname> system-view
[Sysname] interface GigabitEthernet1/0/1
[Sysname-GigabitEthernet1/0/1] dhcp-snooping information enable

dhcp-snooping information format

Syntax
dhcp-snooping information format { normal | verbose [ node-identifier { mac | sysname | user-defined
node-identifier } ] }
undo dhcp-snooping information format [ verbose node-identifier ]
View
Layer 2 Ethernet interface view, Layer 2 aggregate interface view
Default level
2: System level
Parameters
normal: Specifies the normal padding format.
verbose: Specifies the verbose padding format.
node-identifier { mac | sysname | user-defined node-identifier }: Specifies the access node identifier. By
default, the node MAC address is used as the node identifier.
mac indicates using the MAC address as the node identifier.

sysname indicates using the device name of a node as the node identifier.

user-defined node-identifier indicates using a specified character string as the node identifier, in

which node-identifier is a string of 1 to 50 characters.
Description
Use the dhcp-snooping information format command to specify the padding format for Option 82.
Use the undo dhcp-snooping information format command to restore the default.
By default, the padding format for Option 82 is normal.
When you use the undo dhcp-snooping information format command, if the verbose node-identifier
argument is not specified, the padding format will be restored to normal; if the verbose node-identifier
argument is specified, the padding format will be restored to verbose with MAC address as the node
identifier.
Related commands: display dhcp-snooping information.
Examples
# Specify the padding format as verbose for Option 82.
<Sysname> system-view
[Sysname] interface GigabitEthernet1/0/1
[Sysname-GigabitEthernet1/0/1] dhcp-snooping information enable
[Sysname-GigabitEthernet1/0/1] dhcp-snooping information strategy replace
[Sysname-GigabitEthernet1/0/1] dhcp-snooping information format verbose
82