Brocade FastIron Ethernet Switch Layer 3 Routing Configuration Guide - Manual (Page 92)

Enabling relay agent echo (Option 82)
The ip dhcp-server relay-agent-echo enable command activates DHCP Option 82, and enables the
DHCP server to echo relay agent information in all replies.
device(config)# ip dhcp-server relay-agent-echo enable
Syntax: ip dhcp-server relay-agent-echo enable
Configuring the IP address of the DHCP server
The ip dhcp-server command specifies the IP address of the selected DHCP server, as shown in this
example:
device(config)# ip dhcp-server 10.1.1.144
Syntax: ip dhcp-server server-identifier
• server-identifier - The IP address of the DHCP server
This command assigns an IP address to the selected DHCP server.
Configuring the boot image
The bootfile command specifies a boot image name to be used by the DHCP client.
device(config-dhcp-cabo)# bootfile foxhound
In this example, the DHCP client should use the boot image called "foxhound".
Syntax: bootfile name
Deploying an address pool configuration to the server
The deploy command sends an address pool configuration to the DHCP server.
device(config-dhcp-cabo)# deploy
Syntax: deploy
Specifying default routers available to the client
The dhcp-default-router command specifies the ip addresses of the default routers for a client.
Syntax: dhcp-default-router address [address, address]
Specifying DNS servers available to the client
The dns-server command specifies DNS servers that are available to DHCP clients.
device(config-dhcp-cabo)# dns-server 10.2.1.143, 10.2.2.142
Syntax: dns-server address [ address, address ]
Enabling relay agent echo (Option 82)
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