198
Task Remarks
Configure the DHCP relay agent on
the current interface and correlate it
with the DHCP server group.
Required.
For the detailed configuration, see "
Configuring DHCP interface
setup
."
By default, the interface works as DHCP server.
IMPORTANT:
• At present, the DHCP relay agent configuration is supported
only on a Layer 3 Ethernet interface (or subinterface), virtual
Ethernet interface, VLAN interface, Layer 3 aggregate
interface, or serial interface.
• If the DHCP relay agent is enabled on an Ethernet
subinterface, a packet received from a client on this interface
must contain a VLAN tag, and the VLAN tag must be
consistent with the VLAN ID of the subinterface. Otherwise,
the packet is discarded.
Configuring the DHCP client
Task Remarks
Configure the DHCP client on an interface
Required.
For detailed configuration, see "
Configuring DHCP interface
setup
."
B
y default, the interface does not obtain an IP address
through DHCP.
IMPORTANT:
At present, the DHCP client configuration is supported only
on a Layer 3 interface (or subinterface), VLAN interface, or
Layer 3 aggregate interface. You cannot configure an
interface of an aggregation group as a DHCP client.
Configuration guidelines
1. If multiple VLAN interfaces sharing one MAC address request IP addresses using DHCP, the
DHCP server cannot be a Windows 2000 server or a Windows 2003 server.
2. To remove a DHCP server group that is associated with multiple interfaces, cancel the
associations first.
Enabling DHCP
Select Advanced > DHCP Setup from the navigation tree to enter the default DHCP Enable page
as shown in Figure 213.
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