Configuring Dhcp Option 82; Configuring Dhcp Relay Check Server-Id - D-Link xStack DGS-3610 Series Configuration Manual

Chapter 21 DHCP Relay Configuration
Then, apply the command to the global interfaces using the command ip dhcp relay
information option dot1x access-group DenyAccessEachOtherOfUnauthrize.
In the global configuration mode, configure DHCP option dot1x access-group by
performing the following steps:
Command
DGS-3610(config)# ip dhcp relay
information option dot1x access-group
acl-name
DGS-3610(config)# no ip dhcp relay
information option dot1x access-group
acl-name
21.2.5

Configuring DHCP option 82

When the ip dhcp relay information option82 command is configured, the device adds
option in the format as described in Understanding DHCP Relay Agent Information to the
server during DHCP relay.
In the global configuration mode, configure DHCP option82 by performing the following
steps:
Command
DGS-3610(config)# ip dhcp relay
information option82
DGS-3610(config)# no ip dhcp relay
information option82
21.2.6 Configuring DHCP relay check
server-id
After the ip dhcp relay check server-id command is configured, the device resolves DHCP
SERVER-ID option upon receiving DHCP relay. If this option is not empty, it sends a request
to this server only, instead of other configured servers.
In the global configuration mode, configure DHCP relay check server-id function by
performing the following steps:
Command
DGS-3610(config)# ip dhcp relay check
server-id
21-6
DGS-3610 Series Configuration Guide
Function
Apply DHCP option dot1x acl
Cancel the applied DHCP option dot1x acl.
Function
Enable the DHCP option82 function
Disable the DHCP option82 function.
Function
Enable the DHCP relay check server-di function