Ip Dhcp-Relay Agent-Option Checking - Allied Telesis x510-28GTX Command Reference Manual

D H C
YNAMIC OST ONFIGURATION
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IP DHCP RELAY AGENT OPTION CHECKING

ip dhcp-relay agent-option checking

Overview This command enables the DHCP Relay Agent to check DHCP Relay Agent
Information Option (Option 82) information in response packets returned from
DHCP servers. If the information does not match the information it has for its own
client (downstream) interface then the DHCP Relay Agent drops the packet. Note
that
The DHCP Relay Agent Option 82 field is included in relayed client DHCP packets if:
•
•
For DHCP Relay Agent and DHCP Relay Agent Option 82 introductory information,
see the
ip dhcp-relay agent-option checking
Syntax
no ip dhcp-relay agent-option checking
Mode Interface Configuration for a VLAN interface.
Examples To make the DHCP Relay Agent listening on vlan10 check the DHCP Relay Agent
Information Option (Option 82) field, use the commands:
awplus#
awplus(config)#
awplus(config-if)#
awplus(config-if)#
To stop the DHCP Relay Agent on vlan10 from checking the DHCP Relay Agent
Information Option (Option 82) field, use the commands:
awplus#
awplus(config)#
awplus(config-if)#
Related ip dhcp-relay agent-option
Commands
ip dhcp-relay agent-option remote-id
ip dhcp-relay information policy
service dhcp-relay
C613-50170-01 Rev B
P (DHCP) C
ROTOCOL OMMANDS
ip dhcp-relay agent-option
DHCP Relay Agent Option 82 is enabled
DHCP Relay Agent is enabled on the device
DHCP Feature Overview and Configuration
configure terminal
interface vlan10
configure terminal
interface vlan10
Command Reference for x510 Series
AlliedWare Plus™ Operating System - Version 5.4.7-1.x
must be configured.
(ip dhcp-relay
ip dhcp-relay agent-option
ip dhcp-relay agent-option checking
no ip dhcp-relay agent-option checking
agent-option), and
(service dhcp-relay)
Guide.
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