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Every VPN stack is architecture is done in a specific way to accomplish fundamental VPN specifications, requirements and goals. As a part of VPN Network stack architecture quite often we…
When you architect and implement a VPN deployment as a part of standalone setup or leveraging VPN technologies as one of your building blocks of your SD-WAN product architecture, one…
I was doing a general code walk of Tun/Tap drivers in /drivers/net/tun.c and /drivers/net/tap.c, which is when I stumbled across its ioctl handlers/implementation and then started comparing with generic /net/core/dev_ioctl.c.…
There can be many ways one can architect VPN Networks. The end objective is to tunnel private IP (typically LAN subnets) within public IP Networks (such as Internet). You can…
https://youtu.be/MVRnK7h1-rE
Here is the source code discussed in this video episode Refer:Linux Kernel Source – Documentation/networking/tuntap.txt – Universal TUN/TAP device driver ↗Wiki TUN/TAP ↗
For example: you may get vtund client-server daemon errors like these !You can kindly watch my video above and learn how you can debug, avoid and address the same. vtund…
Refer:VTUN Sourceforge.net Project (Virtual Tunnel) ↗TUN/TAP Wiki ↗VTUN Setup – official documentation ↗VTUN Setup – Linux Journal ↗Universal TUN/TAP device driver ↗Intel DPDK Stack ↗
https://youtu.be/REI4Igk4f1c Here is the source code discussed in this video episode /* tap_access.c - tap interface demo access * The Linux Channel * Author: Kiran Kankipati * Updated: 25-jan-2017 */…
https://youtu.be/NZlbyoHgYjk
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