HP VPN Firewall Appliances Network Management Command Reference

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Default
Option 82 support is disabled on DHCP relay agent.
Views
Interface view
Default command level
2: System level
Examples
# Enable Option 82 support on the relay agent.
<Sysname> system-view
[Sysname] interface gigabitethernet 0/1
[Sysname-GigabitEthernet0/1] dhcp relay information enable
Related commands
display dhcp relay information
dhcp relay information format
Use dhcp relay information format to specify a padding format for Option 82.
Use undo dhcp relay information format to restore the default padding format.
Syntax
dhcp relay information format { normal | verbose [ node-identifier { mac | sysname | user-defined
node-identifier } ] }
undo dhcp relay information format
Default
The Option 82 padding format is normal.
Views
Interface view
Default command 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 access node identifier. By
default, the node MAC address is used as the node identifier.
• mac indicates using 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 specific character string as the node identifier, in
which node-identifier is a string with 1 to 50 characters.