Dell PowerConnect 28xx Systems User Guide 855 Define the amount of time (in milliseconds) the DHCP server waits for a ping reply in the DHCPPing Timeout field, or click Use Default to select the default timeout of 500 milliseconds.6 Click Apply Changes.The server is enabled.Defining Network PoolThe Network Pool page displays the DHCP Server's created pool name. The pool name, which istypically assigned to a network segment, consists of an IP address range from which the DHCP Serverallocates IP addresses to DHCP clients. You can define the lease duration of the network pool.To open the Network Pool page, click System DHCP Server Network Pool in the tree view.Figure 6-25. Network Pool• Subnet IP Address — Specifies the IP address of the subnet in which the network pool resides.• Network Mask — Specifies the pool’s network mask.• Prefix Length — Specifies the number of bits that comprise the address prefix.• Address Pool Start — Specifies the first IP address in the range of the network pool.• Address Pool End — Specifies the last IP address in the range of the network pool.• Lease Duration — Specifies the amount of time a DHCP client can use an IP address from this pool.The total lease duration is 4294967295 seconds, i.e. 49710.2696 days. Thus a lease of 49710 days, 0hours, 0 minutes and 0 seconds is a legal value, while a lease of 49710 days, 23 hours, 59 minutes and59 seconds results in an Out of Range alert.
