Operation Manual – DHCP
H3C S3100 Series Ethernet Switches Chapter 2 DHCP Snooping Configuration
2-11
Table 2-9 Configure a storage format for the Option 82 field
Operation Command Description
Enter system view
system-view
—
Configure a storage
format for the Option 82
field
dhcp-snooping
information format { hex
| ascii }
Optional
By default, the format is
hex.
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. Configure the circuit ID sub-option
Table 2-10 Configure the circuit ID sub-option
Operation Command Description
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Configure the circuit ID
sub-option in Option 82
dhcp-snooping
information [ vlan
vlan-id ] circuit-id string
string
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
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