3Com S7902E Command Reference Manual - page 563
4-7
[Sysname] interface gigabitethernet 2/0/1
[Sysname-GigabitEthernet2/0/1] dhcp-snooping information remote-id string device001
dhcp-snooping information strategy
Syntax
dhcp-snooping information strategy
{
drop
|
keep
|
replace
}
undo dhcp-snooping information strategy
View
Ethernet port view
Default Level
2: System level
Parameters
drop
: Drops the requesting message containing Option 82.
keep
: Forwards the requesting message containing Option 82 without changing Option 82.
replace
: Forwards the requesting message containing Option 82 after replacing the original Option 82
with the one padded in specified format.
Description
Use the
dhcp-snooping information strategy
command to configure the handling strategy for Option
82 in requesting messages.
Use the
undo dhcp-snooping information strategy command
to restore the default.
By default, the handling strategy for Option 82 in requesting messages is
replace
.
Examples
# Configure the handling strategy for Option 82 in requesting messages as
keep
.
[Sysname] interface gigabitethernet2/0/1
[Sysname-GigabitEthernet2/0/1] dhcp-snooping information enable
[Sysname-GigabitEthernet2/0/1] dhcp-snooping information strategy keep
dhcp-snooping trust
Syntax
dhcp-snooping trust
[
no-user-binding
]
undo dhcp-snooping trust
View
Ethernet port view
Default Level
2: System level