3Com Switch 8800 Family Configuration Guide

694 CHAPTER 57: DHCP CONFIGURATION
Configuring custom DHCP options for current VLAN interface
Perform the following configuration in VLAN interface view.
Configuring custom DHCP options for multiple VLAN interfaces
Perform the following configuration in system view.
If you execute the dhcp server option command multiple times, the newly
configured option overwrites the existing one.
Configuring Outbound
Gateway Address for
DHCP Clients
An outbound gateway enables DHCP clients to access external network devices.
Packets destined for external networks are forwarded by outbound gateways. At
present, you can configure up to eight IP addresses for outbound gateways.
Perform the following configuration in DHCP address pool view.
By default, no outbound gateway address is configured for DHCP clients.
Tabl e 642 Configure a custom DHCP options for a global DHCP address pool
Operation Command
Configure a custom DHCP option for a global
DHCP address pool
option code { ascii ascii-string | hex
hex-string | ip-address ip-address [ ip-address
] }
Remove a custom DHCP option configured for
a global DHCP address pool
undo option code
Tabl e 643 Configure custom DHCP options for current VLAN interface
Operation Command
Configure a custom DHCP option for DHCP
address pool of the current VLAN interface
dhcp server option code { ascii ascii-string |
hex hex-string | ip-address ip-address [
ip-address ] }
Remove a custom DHCP option configured for
the DHCP address pool of the current VLAN
interface
undo dhcp server option code
Tabl e 644 Configure custom DHCP options for multiple VLAN interfaces
Operation Command
Configure a custom DHCP option for DHCP
address pools of multiple VLAN interfaces
dhcp server option code { ascii ascii-string |
hex hex-string | ip-address ip-address [
ip-address ] } { interface vlan-interface
vlan-id [ to vlan-interface vlan-id ] | all }
Remove a custom DHCP option configured for
DHCP address pools of multiple VLAN
interfaces
undo dhcp server option code { interface
vlan-interface vlan-id [ to vlan-interface
vlan-id ] | all }
Tabl e 645 Configure outbound gateway address for DHCP clients
Operation Command
Configure one or more outbound gateway
addresses for DHCP clients
gateway-list ip-address [ ip-address ]
Remove one or all outbound gateway
addresses configured for DHCP clients
undo gateway-list { ip-address | all }