VPN - Vanguard Networks
VPN - Vanguard Networks
VPN - Vanguard Networks
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Contents<br />
Chapter 1.<br />
Virtual Private Network<br />
What is a <strong>VPN</strong> .............................................................................................. 1-2<br />
<strong>VPN</strong> Applications ......................................................................................... 1-3<br />
Chapter 2.<br />
Tunneling<br />
<strong>Vanguard</strong> <strong>VPN</strong> Tunneling ............................................................................. 2-4<br />
Processing ................................................................................................ 2-5<br />
Dynamic Tunnel Address ......................................................................... 2-8<br />
How does Dynamic Tunnel Address work? ......................................... 2-9<br />
Configuration Examples ...................................................................... 2-11<br />
Dynamic Tunnel Address Statistics ...................................................... 2-16<br />
RTP/UDP/IP Header Compression of Tunneled Packets ............................. 2-19<br />
Generic Routing Encapsulation (GRE) ........................................................ 2-20<br />
Next Hop Resolution Protocol (NHRP) ....................................................... 2-23<br />
Tunnel Configuration .................................................................................... 2-24<br />
Configuration Examples ........................................................................... 2-32<br />
Tunnel Boot .................................................................................................. 2-40<br />
Statistics ........................................................................................................ 2-41<br />
Chapter 3.<br />
IP Security<br />
<strong>Vanguard</strong> IP Security .................................................................................... 3-3<br />
IPSec Configuration ..................................................................................... 3-6<br />
IPSec Configuration Example .................................................................. 3-17<br />
GRE_IPSec Example ............................................................................... 3-19<br />
ISAKMP Aggressive Mode ..................................................................... 3-21<br />
Statistics ........................................................................................................ 3-25<br />
SNMP IPSec Statistics ............................................................................. 3-31<br />
Chapter 4.<br />
Digital Certificates and SCEP<br />
X.509 Digital Certificate .............................................................................. 4-2<br />
Simple Certificate Enrollment Program (SCEP) .......................................... 4-4<br />
Applications and Solutions Support ......................................................... 4-6<br />
Detailed Functional Description ................................................................... 4-7<br />
Configuration Menu ..................................................................................... 4-10<br />
Configuration ................................................................................................ 4-11<br />
Certificate Management ........................................................................... 4-18<br />
CA Configuration ..................................................................................... 4-21<br />
IPSec Configuration ................................................................................. 4-23<br />
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