DHCP Relay Agent
RocketLinx ES7528 Industrial Managed PoE Rack Mount User Guide
: 2000509 Rev. A
- 37
DHCP Relay Agent
DHCP Relay Agent
This subsection discusses the DHCP Relay Agent.
DHCP Relay Agent
Description
Relay Agent
You can select to
Enable
or
Disable
DHCP relay agent function,
and then select the modification type of option 82 field.
The DHCP Information option referred to as
Option 82
is normally
used in environments of large enterprise or metro networks to
provide additional data on the physical attachment of the client.
Option 82 is suggested for use in distributed DHCP server/relay
environments, where relays insert additional information to
identify the client’s attachment point.
Relay policy drop
Drops the option 82 field and does not add any option 82 fields.
Relay policy keep
Keeps the original option 82 field and forwards it to the server.
Relay policy replace Replaces the existing option 82 field and adds the new option 82
field. (This is the default setting)
Helper Address
There are four fields for the DHCP server’s IP address. You can fill
the field with a preferred IP address of the DHCP Server. All the
DHCP packets from client are modified by the policy and for-
warded to the DHCP server through the gateway port.
Apply
Click
Apply
to apply the settings.
Note: You must Save the settings (Page 137), if you want to
maintain these settings if the RocketLinx ES7528 is
powered off.
