Allied Telesis AT-8100 Series - Manual (Page 649)

AT-8100 Switch Command Line User’s Guide
649
IP DHCP SNOOPING AGENT-OPTION
Syntax
ip dhcp snooping agent-option
Parameters
None
Mode
Global Configuration mode
Description
Use this command to enable DHCP Option 82 data insertion on the switch.
When the IP DHCP SNOOPING AGENT-OPTION command is enabled,
the switch:
 Inserts DHCP Option 82 into DHCP packets that it receives on
untrusted ports.
 Removes DHCP Option 82 from DHCP packets that it sends to
untrusted ports.
To use this command, you must enable DHCP snooping on the switch with
the SERVICE DHCP-SNOOPING command and on the VLANs with the IP
DHCP SNOOPING command. See “SERVICE DHCP SNOOPING” on
page 666 and “IP DHCP SNOOPING” on page 648.
Use the no version of the command, NO IP DHCP SNOOPING AGENT-
OPTION command, to disable DHCP Option 82 on the switch.
Confirmation Command
“SHOW RUNNING-CONFIG” on page 170
Example
This example enables DHCP Option 82 on the switch:
awplus> enable
awplus# configure terminal
awplus(config)# ip dhcp snooping agent-option