H3C S5600 Series Operation Manual page 787

Operation Manual – DHCP
H3C S5600 Series Ethernet Switches
Enter system view
Configure a storage
format for the Option 82
field
Note:
The dhcp-snooping information format command applies only to the default content
of the Option 82 field. If you have configured the circuit ID or remote ID sub-option, the
format of the sub-option is ASCII, instead of the one specified with the dhcp-snooping
information format command.
IV. Configuring the circuit ID sub-option
Follow these steps to configure the circuit ID sub-option:
Enter system view
Enter Ethernet port view
Configure the circuit ID
sub-option in Option 82
To do...
system-view
dhcp-snooping
information format { hex
| ascii }
To do...
system-view
interface interface-type
interface-number
dhcp-snooping
information [ vlan
vlan-id ] circuit-id string
string
Chapter 4 DHCP Snooping Configuration
Use the command...
Use the command...
4-9
Remarks
—
Optional
By default, the format is
hex.
Remarks
—
—
Optional
By default, the circuit ID
sub-option contains the
VLAN ID and port index
related to the port that
receives DHCP request
packets from DHCP
clients