Configuration | System | Servers | Dhcp | Add Or Modify; Dhcp Server; Server Port; Add Or Apply / Cancel - Cisco VPN 3000 User Manual

5
Servers

Configuration | System | Servers | DHCP | Add or Modify

These screens let you:
Add
Modify
Figure 5-16: Configuration | System | Servers | DHCP | Add or Modify screen

DHCP Server

Enter the IP address or hostname of the DHCP server; e.g., 192.168.12.34 . (If you have configured a
DNS server, you can enter a hostname in this field; otherwise, enter an IP address.)

Server Port

Enter the UDP port number by which you access the DHCP server. The default is 67 .

Add or Apply / Cancel

To add this server to the list of configured DHCP servers, click Add . Or, to apply your changes to this
DHCP server, click Apply . Both actions include your entry in the active configuration. The Manager
returns to the Configuration | System | Servers | DHCP screen. Any new server appears at the bottom of the
DHCP Servers
Reminder: To save the active configuration and make it the boot configuration, click the Save Needed icon at the
top of the Manager window.
To discard your entries, click Cancel . The Manager returns to the Configuration | System | Servers | DHCP
screen, and the DHCP Servers list is unchanged.

Configuration | System | Servers | NTP

This section of the Manager lets you configure NTP (Network Time Protocol) servers that the VPN
Concentrator queries to synchronize with network time.
Clocks in many computers tend to drift a few seconds per day. Exact time synchronization is important
for systems on a network so that protocol timestamps and events are accurate. Security certificates, for
example, carry a timestamp that determines a time frame for their validity.
5-18
: Configure and add a new DHCP server to the list of configured servers.
: Modify the parameters for a configured DHCP server.
list.
VPN 3000 Concentrator Series User Guide