Dhcp-Snooping Information Strategy - H3C S7500E Series Command Manual

Command Manual – DHCP
H3C S7500E Series Ethernet Switches
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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 with 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
padding format.
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.
Examples
# Specify the padding format as verbose for Option 82.
<Sysname> system-view
[Sysname] interface gigabitethernet2/0/1
[Sysname-GigabitEthernet2/0/1] dhcp-snooping information enable
[Sysname-GigabitEthernet2/0/1] dhcp-snooping information strategy replace
[Sysname-GigabitEthernet2/0/1] dhcp-snooping information format verbose

4.1.4 dhcp-snooping information strategy

Syntax
dhcp-snooping information strategy { drop | keep | replace }
undo dhcp-snooping information strategy
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Chapter 4 DHCP Snooping Configuration Commands
4-3