Cisco VPN 3000 User Manual

12 User Management
12-28
VPN 3000 Concentrator Series User Guide
IPSec through NAT
Check the box to allow the Cisco VPN 3000 Client (IPSec client) to connect to the VPN Concentrator
via UDP through a firewall or router using NAT.
IPSec through NAT UDP Port
Enter the UDP port number to use if you allow IPSec through NAT. Enter a number in the range 4001
through
49151; default is 10000.
See the discussion About IPSec through NAT under
Configuration | User Management | Base Group on page
12-11.
Figure 12-9: Configuration | User Management | Groups | Add or Modify (Internal) screen, PPTP/
L2TP tab
PPTP/L2TP Parameters tab
This section of the screen lets you configure PPTP and L2TP parameters that apply to this internally
configured group. During tunnel establishment, the client and server negotiate access and usage based
on these parameters. Only clients that meet these criteria are allowed access. If you checked
PPTP, L2TP,
or
L2TP over IPSec under Tunneling Protocols on the General Parameters tab, configure these parameters.

Cisco VPN 3000 Specifications

General

Brand	Cisco
Model	VPN 3000
Category	Switch
Language	English