Cisco Tunneling Control Protocol - Cisco ROUTER-SDM-CD User Manual

Creating an Easy VPN Server Connection
Table 13-16 Add a RADIUS Server Fields (continued)
Element
Revisions

Cisco Tunneling Control Protocol

Cisco Router and Security Device Manager 2.5 User's Guide
13-20
Description
flash:vpnclient-4.6.exe
•
nvram:vpnclient-4.6.exe
•
usbtoken[0-9]:vpnclient-4.6.exe
•
The USB token port number range is 0-9. For example, for a USB
token attached to USB port 0, the URL is
usbtoken0:vpnclient-4.6.exe.
• usbflash[0-9]:vpnclient-4.6.exe
The USB flash port number range is 0-9. For example, for a USB flash
attached to USB port 0, the URL is usbflash0:vpnclient-4.6.exe.
disk[0-1]:vpnclient-4.6.exe
•
The disk number is 0 or 1. For example, for disk number 0, the URL
is disk0:vpnclient-4.6.exe.
archive:vpnclient-4.6.exe
•
tar:vpnclient-4.6.exe
•
system:vpnclient-4.6.exe
•
In these examples, username is the site username and password is the site
password.
Enter the revision number of the latest update. You can enter multiple
revision numbers by separating them with commas, for example,
4.3,4.4,4.5. Do not use any spaces.
Cisco Tunneling Control Protocol (cTCP) enables VPN clients to operate in
environments where standard
500) are not permitted. For a variety of reasons, firewalls may not permit ESP or
IKE traffic, thus blocking VPN communication. cTCP solves this problem by
encapsulating ESP and IKE traffic in the TCP header so that firewalls do not see it.
ESP protocol (port 50) or
Chapter 13 Easy VPN Server
IKE protocol (UDP port
OL-4015-12