HP E4510-48G, Command Reference Manual

Page: 313 / 1334

7-4
Description
Use the dhcp-snooping information enable command to configure DHCP snooping to support
Option 82.
Use the undo dhcp-snooping information enable command to disable this function.
By default, DHCP snooping does not support Option 82.
Examples
# Configure DHCP snooping to support Option 82.
<Sysname> system-view
[Sysname] interface gigabitethernet1/0/1
[Sysname-GigabiEthernet1/0/1] 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
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 access node identifier. By
default, the node MAC address is used as the node identifier.
z
mac indicates using MAC address as the node identifier.
z
sysname indicates using the device name of a node as the node identifier.
z
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 .