H3C S5100-SI

3-7
To do… Use the command… Remarks
Enter system view
system-view
—
Enable DHCP-snooping Option
82 support
dhcp-snooping information
enable
Required
Disabled by default.
Configuring a handling policy for DHCP packets with Option 82
Follow these steps to configure a handling policy for DHCP packets with Option 82:
To do… Use the command… Remarks
Enter system view
system-view
—
Configure a global handling
policy for requests that contain
Option 82
dhcp-snooping information
strategy { drop | keep |
replace }
Optional
The default handling policy is
replace.
Enter Ethernet port view
interface interface-type
interface-number
—
Configure a handling policy for
requests that contain Option 82
received on the specified
interface
dhcp-snooping information
strategy { drop | keep |
replace }
Optional
The default policy is replace.
If a handling policy is configured on a port, this configuration overrides the globally configured handling
policy for requests received on this port, while the globally configured handling policy applies on those
ports where a handling policy is not natively configured.
Configuring the storage format of Option 82
S5100-SI/EI Series Ethernet Switches support the HEX or ASCII format for the Option 82 field.
Follow these steps to configure a storage format for the Option 82 field: