D-Link DGS-6600-48TS

DGS-6604 ip dhcp snooping information option
CLI Reference Guide
234
ip dhcp snooping information option
Use this command to globally allow DHCP packets with relay option 82 on the
un-trusted interface. Use the no form of the command to not allow the packets
with relay option 82.
ip dhcp snooping information option allow-untrusted
no ip dhcp snooping information option allow-untrusted
Syntax None
Default Not allow
Command Mode Global configuration
Usage Guideline The DHCP snooping function validates the DHCP packets when it arrives at the
port on the VLAN that is enabled for DHCP snooping. By default, the validation
process will drop the packet If gateway address!=0 or option 82 is present.
Use the ip dhcp snooping information option allow-untrusted command to allow
the packet with relay option 82 arriving at the un-trusted interface.
.
Example This example shows how to enable DHCP snooping option-82 allow-untrusted
port:
This example shows how to disable DHCP snooping option-82 allow-untrusted
port:
.
Switch# configure terminal
Switch(config)# ip dhcp snooping information option allow-untrusted
Switch(config)#
Switch# configure terminal
Switch(config)# no ip dhcp snooping information option allow-untrusted
Switch(config)#