| Configuring
Global Settings | |
| Server
Information |
|
Server Identifier
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Specifies the IP address of the DHCP server reported to a client.
|
Type the IP address of the device. If you do not specify a server
identifier, the primary address of the interface on which the DHCP
exchange occurs is used.
|
|
Domain Name
|
Specifies the domain name that the clients must use to resolve
hostnames.
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Type the domain name.
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Next Server
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Specifies the IP address of the next DHCP server that the clients
need to contact.
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Type the IP address of the next DHCP server.
|
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Propagate Interface
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Specifies the name of the interface on the device through which
the resolved DHCP queries are propagated to the DHCP pool.
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Type the name of the interface.
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Domain Search
|
Specifies the order—from top to bottom—in which
clients must append domain names when resolving hostnames using DNS.
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Do one of the following:
- To add a domain name, type the name next to the Add button,
and click Add.
- To delete a domain name, select the name in the Domain
Search box, and click Delete.
|
|
Name Servers
|
Defines a list of DNS servers the client can use, in order of
preference—from top to bottom.
|
Do one of the following:
- To add a DNS server, type an IP address next to the Add
button, and click Add.
- To remove a DNS server, select the IP address in the Name
Servers box, and click Delete.
|
|
Gateway Routers
|
Defines a list of devices on the subnet that are configured
as DHCP relay agents, in order of preference—from top to bottom.
|
Do one of the following:
- To add a relay agent, type an IP address next to the Add
button, and click Add.
- To remove a relay agent, select the IP address in the
Gateway Routers box, and click Delete.
|
|
WINS Servers
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Specifies the name of the SNMP trap group being configured.
|
Do one of the following:
- To add a NetBIOS name server, type an IP address next
to the Add button, and click Add.
- To remove a NetBIOS name server, select the IP address
in the WINS Servers box, and click Delete.
|
| Lease
Time |
|
Maximum Lease Time (seconds)
|
Specifies the maximum length of time a client can hold a lease.
(Dynamic BOOTP lease lengths can exceed this maximum time.)
|
Type a number between 60 and 1,209,600 (seconds).
|
|
Default Lease Time (seconds)
|
Specifies the length of time a client can hold a lease, for
clients that do not request a specific lease length.
|
Type a number between 60 and 2,419, 200 (seconds).
|
| Boot
Options |
|
Boot File
|
Specifies the path and filename of the initial boot file to
be used by the client.
|
Type the path and a file name.
|
|
Boot Server
|
Specifies the TFTP server that provides the initial boot file
to the client.
|
Type the IP address or hostname of the TFTP server.
|
| Option
Table |
|
Code/Type/Value
|
Defines a list of option codes, types, and values, in order
of preference—from top to bottom. It is mandatory to define
all the options.
|
Do the following:
- Option Code—Type a number.
- Option Type—Select a type from the list corresponding
to the code.
- Option Value—Type a valid option value based on
the type.
|
| Configuring
DHCP Pools |
|
DHCP Pools
|
Enables you to define address pools for DHCP clients.
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To configure a new DHCP pool, click Add under DHCP Pools.
|
|
Address Pool Subnet (required)
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Specifies the pool subnet on which DHCP is configured.
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Type an IP address prefix.
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Address Range Low (required)
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Specifies the lowest address in the IP address pool range.
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Type an IP address that is part of the subnet specified in Address
Pool Subnet.
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|
Address Range High (required)
|
Specifies the highest address in the IP address pool range.
|
Type an IP address that is part of the subnet specified in Address
Pool Subnet. This address must be greater than the address specified
in Address Range Low.
|
|
Exclude Addresses
|
Specifies addresses to exclude from the IP address pool.
|
Do one of the following:
- To add an excluded address, type the address next to the
Add button, and click Add.
- To delete an excluded address, select the address in the
Exclude Addresses box, and click Delete.
|
| Configuring
DHCP Static Bindings |
|
DHCP Static Bindings
|
Enables you to assign DHCP clients to static IP addresses.
|
To configure a new static binding, click Add under DHCP Static Bindings.
|
|
DHCP MAC Address (required)
|
Specifies the MAC address of the client to be permanently assigned
a static IP address.
|
Type the hexadecimal MAC address of the client.
|
|
Host Name
|
Specifies the client hostname associated with its IP address
used by the DHCP messages exchanged between the server and the client.
The name must be unique to the client within the subnet on which the
client resides.
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Type a client hostname.
|
|
Fixed IP Address (required)
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Defines a list of IP addresses permanently assigned to the client.
A static binding must have at least one fixed address assigned to
it, but multiple addresses are also allowed.
|
Do one of the following:
- To add an IP address, type the address next to the Add
button, and click Add.
- To remove an IP address, select the address in the Fixed
IP Addresses box, and click Delete.
|
|
Client Identifier
|
Specifies the name of the client used by the DHCP server to
index its database of address bindings. The client identifier can
be an ASCII or hexadecimal string.
|
Do either of the following:
- Select the client identifier type from the list. If you
select Hexadecimal, you must type the client
identifier using numbers 0 through 9, and letters A through F.
- Type the client identifier.
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