82
<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.
ï‚· mac indicates using the MAC address as the node identifier.
ï‚· sysname indicates using the device name of a node as the node identifier.
ï‚· 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
To Next Page
Loading...
Need help?
General