Ipsec Through Nat; Ipsec Through Nat Udp Port; Pptp/L2Tp Parameters Tab - Cisco VPN 3000 User Manual

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User Management

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.
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VPN 3000 Concentrator Series User Guide