VPN systems are classified as virtual private networks that do not need a physical connection, allowing users to directly connect…

This post describes how to configure a Branch Office VPN (BOVPN) between WatchGuard Firebox on Prem and a Check Point…

Symptoms:  One of my clients reported a Cisco AnyConnect issue. It only happened to his machine and later we found…

For many IT workers remotely involved with networking, it is quite common to need to expose your Intranet application to…

1. Clear VPN Configuration：  clear configure crypto map VPN_AAAA 2. Debug and show commands: Enable logging: ciscoasa#terminal monitor ciscoasa(config)# logging…

What is Differences between IKEv1 and IKE v2? 1. Different negotiation processes − IKEv1 IKEv1 SA negotiation consists of two…

There was a VPN issue to troubleshoot recently. It was between Juniper SRX and Cisco Router. It seems straightforward but…

I am not sure if there is other better way to do it. There is no good documentation from Cisco…

IPSec over GRE means Outer Header is GRE. In other words, IPSec is riding over GRE. Please refer: Chapter: Point-to-Point…

Basic Cisco Configuration Professional (CCP) configuration has been posted before at following link: Cisco CCP Installation and Basic Configuration This…

It is always not easy when troubleshooting a vpn issue. You will meet many situations. Here is one of examples…

There was vpn set up recently using Cisco Router to connect Check Point firewall. It seems quite simple task but…