Technical Documentation

DHCP Attributes for Address-Assignment Pools

Table 1 describes the DHCP client attributes that you can use with the dhcp-attributes statement when you configure address-assignment pools. Table 2 describes the DHCPv6 client attributes for configuring IPv6 address-assignment pools.

Table 1: DHCP Attributes

Attribute

Description

DHCP Option

boot-file

Boot filename advertised to the client, and used by the client to complete configuration.

67

boot-server

Boot server containing the boot file.

66

domain-name

Domain in which clients search for a DHCP server host.

15

grace-period

Grace period offered with the lease.

maximum-lease-time

Maximum lease time allowed by the DHCP server.

51

name-server

IP address of domain name server.

6

netbios-node-type

NetBIOS node type.

46

option

User-defined options.

option-match

Maps option 82 value to named address range.

router

IP address for routers on the subnetwork.

3

server-identifier

IP address used as the DHCP source address

54

tftp-server

Trivial File Transfer Protocol (TFTP) server that the client uses to obtain the client configuration file.

150

wins-server

IP address of the Windows NetBIOS name server.

44

Table 2: DHCPv6 Attributes

Attribute

Description

DHCPv6 Option

dns-server

IPv6 address of DNS server to which clients can send DNS queries.

23

grace-period

Grace period offered with the lease.

maximum-lease-time

Maximum lease time allowed by the DHCP server.

option

User-defined options.

sip-server-address

IPv6 address of SIP outbound proxy server.

22

sip-server-domain-name

Domain name of the SIP outbound proxy server.

21


Published: 2010-04-26