Modifying DHCP Relay for a VLAN

Modify the existing DHCP relay behavior on the VLAN interface.

About this task

You can configure only one relay for a VLAN, regardless of how many addresses are configured on that VLAN. The default address is the smallest address configured. If the relay is a VRRP address, the default value is the first VRRP address configured.

Procedure

  1. In the navigation tree, expand the following folders: Configuration > VLAN.
  2. Click VLANs.
  3. Click the Basic tab.
  4. Select a VLAN.
  5. Click IPv6.
  6. Click the DHCP Relay tab.
  7. Double-click a cell to change the value.
  8. Click Apply.

DHCP field descriptions

Use the data in the following table to use the DHCP Relay tab.

Name

Description

IfIndex

Shows the unique value to identify an IPv6 interface.

MaxHop

Specifies the maximum number of hops a DHCP packet can take from the DHCP client to the DHCP server. The default is 32.

RemoteIdEnabled

Enables the relay agent to add information about the relay to DHCPv6 messages before relaying the messages to the DHCP server. The default is disabled (clear or false).

DhcpEnabled

Enables (true) or disables (false) DHCP Relay for an interface with an existing DHCP Relay configuration.