Viewing DHCP relay configuration information

About this task

Use the DHCP Relay Interfaces tab to view configuration information about the DHCP relay. To change the configuration information, double-click the value in the field under the required interface, and enter a new value.

Procedure

  1. In the navigation tree, expand the following folders: Configuration > IP.
  2. Click DHCP Relay.
  3. Click the Interfaces tab.

Interfaces field descriptions

Use the data in the following table to use the Interfaces tab.

Variable

Value

IfIndex

A read-only interface number that represents a physical interface, or the VLAN logical interface.

MaxHop

Sets the maximum number of hops a DHCP packet can take from the DHCP client to the DHCP server. The maximum number of hops is 16. The default is 4.

MinSec

Represents the minimum number of seconds to wait between receiving a DHCP packet and forwarding the DHCP packet to the DHCP server. A value of 0 indicates that forwarding is done immediately. The default value is 0.

Mode

Indicates the type of DHCP packet required. The options are:

  • bootp

  • dhcp

  • both

The default is both.

AlwaysBroadcast

Indicates if DHCP Reply packets can be sent as a broadcast to the DHCP client. The default is false.

CircuitId

Indicates whether DHCP Relay inserted the option 82 circuit ID information into the DHCP packets before sending the DHCP packets to the DHCP server. The default is disable.

RemoteId

Indicates whether DHCP Relay inserted the option 82 remote ID information into the DHCP packets before sending the DHCP packets to the DHCP server. The default is disable.

Trusted

Indicates if DHCP packets come through a trusted DHCP circuit. Only packets with GIADDR configured to 0 and containing option 82 are forwarded if the circuit is trusted. The default value is false.