2-2
Parameters
None
Description
Use the dhcp-snooping information enable command to enable DHCP snooping Option 82.
Use the undo dhcp-snooping information enable command to disable DHCP snooping Option 82.
DHCP snooping Option 82 is disabled by default.
Note that:
z Among S3100 series switches, only S3100-EI series switches support the two commands.
z Enable DHCP snooping before performing this configuration.
Examples
# Enable DHCP snooping Option 82.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] dhcp-snooping information enable
dhcp-snooping information format
Syntax
dhcp-snooping information format { hex | ascii }
View
System view
Parameters
hex: Specifies the storage format of Option 82 as HEX (namely, hexadecimal string).
ascii: Specifies the storage format of Option 82 as ASCII.
Description
Use the dhcp-snooping information format command to configure the storage format of
non-user-defined Option 82 as HEX or ASCII.
By default, the Option 82 is in HEX format.
Note that among S3100 series switches, only S3100-EI series switches support the two commands.
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 storage format of the sub-option
is ASCII, instead of the one specified with the dhcp-snooping information format command.
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