A few weeks ago, I faced a very strange problem with one of my routers. The Dude alarmed that that one router is down. I had previous problems with the link on that location and I didn’t checked it immediately. Nonetheless, when the router didn’t recovered, I logged on it and found that the VPN client can’t connect anymore. Continue reading
Mikrotik SSTP service
How to setup MikroTik as the SSTP VPN client
In this article, I will guide you through the setup process of the SSTP client in MikroTik RouterOS 5.26 and 6.xx. The client side setup does not depends on the type of VPN server.
How to use MikroTik as the SSTP VPN server
The Microsoft Secure Socket Tunneling Protocol (SSTP) is the VPN technology based on the Point-to-Point Protocol (PPP) over Secured Socket Layer (SSL). As this protocol is based on the same mechanism as the Secured Web (HTTPS) protocol, it will pass virtually through every firewall or proxy server.
Repairing the server-side SSTP VPN on the Mikrotik router
A few months ago, we found a problem with one the Mikrotik Routerboard RB1100AH unit. We discovered that the fans are not working. As we have a cold spare unit, I just transferred the latest backup to the new unit.
After the reboot, everything began to work. That was easy on the first sight. However, I discovered soon that the remote offices are not connected to the central location. The VPN links were down.
How to repair VPN client connection in Mikrotik RouterOS
I made a VPN star-based network between my home router and few others, that I configured over a time. This network is here just for quick monitoring of state for a distant routers. Also, good basis for real-life learning, as all those routers are alive.
If a router is not connected over a VPN, this is a signal that something bad happens there. Also, on some routers, their source IP address in a VPN connection can indicate that they are swapped to the secondary link. Again, we have alarm that something is wrong.
I checking them from time to time, as I don’t need to administer them on daily basis. I spotted recently that one of a distant Mikrotik Routerboards (http://routerboard.com/) is not connected over the VPN connection to my router.