DHCP Servers
In this section:
- DHCP Servers
- DHCP Server Options
- Disabling or re-enabling the DHCP server on the management portBy default, when the DHCP server is enabled on the FastIron device, the server responds to DHCP client requests received on the management port.
- Setting the wait time for ARP ping responseYou can set the number of seconds to wait for a response to an ARP ping packet on the DHCP server.
- DHCP relay agent information support (option 82)
- Enabling relay agent information (option 82)Complete the following steps to activate DHCP option 82.
- Configuring the IP address of the DHCP serverComplete the following steps to specify the IP address of the selected DHCP server.
- Configuring the Boot ImageThe boot image specifies a boot image name to be used by the DHCP client.
- Deploying an Address Pool Configuration to
the ServerComplete the following steps to send an address pool configuration to the DHCP server.
- Specifying the Default Router Available to
the ClientComplete the following steps to specify the IP address of the default router for a client.
- Specifying DNS Servers Available to the
ClientComplete the following steps to specify the DNS servers available to the client.
- Configuring the Domain Name for the
ClientComplete the following steps to configure the domain name for the client.
- Configuring the lease duration for the address poolComplete the following steps to specify the lease duration for the address pool.
- Configuring the Number of Leases for the
Address PoolThe number of lease IP addresses used for the DHCP address pool can be configured.
- Specifying addresses to exclude from the address poolComplete the following steps to specify the addresses that should be excluded from the address pool.
- Configuring the NetBIOS server for DHCP clientsYou can specify the IP address of NetBIOS WINS servers that are available to Microsoft DHCP clients.
- Configuring the Subnet and Mask of a DHCP
Address PoolYou can configure the subnet network and mask of the DHCP address pool.
- Configuring the TFTP ServerYou can specify the address or name of the TFTP server to be used by the DHCP clients.
- Configuring X Window System Display Manager
IP Addresses (Option 49)Option 49 of RFC 2132 specifies a list of IP addresses of systems that are running the X Window System Display Manager and are available to the client.
- Vendor-specific Information (Option 43 and Option 60) Configurations
- Enabling static IP to MAC address mappingBased on the client MAC address, you can statically configure the IP address to the MAC address in the DHCP server.
- Enabling IP to Physical Port MappingYou can reserve IP addresses within a DHCP address pool against selected Ethernet ports. This allows any device connecting to the selected port on the switch to obtain the same IP address irrespective of the client identifier sent by the device. This configuration is useful in preventing a newly connected device on a port from getting a new IP address.
- Configuring Avaya IP Telephony (Options 176
and 242)Avaya IP telephones use site-specific options 176 and 242 as a method to obtain parameters from the DHCP server.
- Configuring WPAD (option 252)The Web Proxy Auto-Discovery (WPAD) protocol is used by web browsers to locate a Proxy Auto-Config (PAC) file automatically.
- Displaying DHCP server informationThe following DHCP show commands can be entered from any level of the CLI.