R0106-HP MSR Router Series Layer 3 - IP Services Command Reference(V7)

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undo dhcp snooping information strategy
Default
The handling strategy for Option 82 in request messages is replace.
Views
Layer 2 Ethernet interface view
Predefined user roles
network-admin
Parameters
drop: Drops DHCP messages that contain Option 82.
keep: Keeps the original Option 82 intact.
replace: Replaces the original Option 82 with the configured Option 82.
Usage guidelines
This command takes effect only on DHCP requests that contain Option 82.
When enabled to support Option 82, the DHCP relay agent always adds Option 82 into DHCP requests
that do not contain Option 82 before forwarding the requests to the DHCP.
Examples
# Specify the handling strategy for Option 82 in request messages as keep.
<Sysname> system-view
[Sysname] interface gigabitethernet2/1/1
[Sysname-GigabitEthernet2/1/1] dhcp snooping information enable
[Sysname-GigabitEthernet2/1/1] dhcp snooping information strategy keep
Related commands
• dhcp snooping information circuit-id
• dhcp snooping information remote-id
dhcp snooping max-learning-num
Use dhcp snooping max-learning-num to set the maximum number of DHCP snooping entries that an
interface can learn.
Use undo dhcp snooping max-learning-num to restore the default.
Syntax
dhcp snooping max-learning-num number
undo dhcp snooping max-learning-num
Default
The maximum number of DHCP snooping entries for an interface to learn is unlimited.
Views
Layer 2 Ethernet interface view
Predefined user roles
network-admin