Installing and Administering Internet Services

Chapter 6 259

Dynamic Host Conﬁguration Protocol (DHCP)

Dynamic Updates

Figure 6-2 DHCP Server and DNS Server running on HP-UX

Conﬁguring the DHCP Server to Perform Dynamic

Updates

Add the tags “pcsn” and “ddns-address,” which speciﬁes the address of

the DDNS server, to the dhcp_pool_group or the dhcp_device_group

keywords to enable the DHCP server to update the DDNS. The

ddns-address must be the IP address of a local DHCP server. It cannot

be the IP address of a remote system.

DHCP_DEVICE_GROUP:\

ba:\

pcsn:\

class-name=SUBNET_128_XTERMINAL_GROUP:\

class-id="xterminal:"\

subnet-mask=255.255.255.0 :\

addr-pool-start-address= 15.14.128.1 :\

addr-pool-last-address= 15.14.128.254 :\

ddns-address=1.2.3.4:\

lease-time=604800 :\

lease-grace-period=5 :\

HP-UX Host

DHCP Server

DNS Server

named

/usr/lbin/bootpd