Dhcp-Snooping Information Format - H3C S5120-SI Series Command Reference Manual

By default, DHCP snooping does not support Option 82.
Related commands: display dhcp-snooping information.
Examples
# Configure DHCP snooping to support Option 82.
<Sysname> system-view
[Sysname] interface GigabitEthernet 1/0/1
[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 aggregation 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.
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 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.
Note that 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
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