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OpenWrt: bridge VLAN filtering for OpenWrt 21.x with DSA, isolated guest Wi-Fi


Categories: OpenWrt

There were significant changes made to VLAN configuration between OpenWrt 19.x and 21.x.  Also, many of the target chipset were migrated from swconfig to DSA (Distributed Switch Architecture), which introduced differences in bridging. In this article, I will create a set of VLAN for my OpenWrt 21.x DSA-enabled router with isolated guest Wi-Fi networks. I … OpenWrt: bridge VLAN filtering for OpenWrt 21.x with DSA, isolated guest Wi-Fi

Python: Parsing command line arguments with argparse


Categories: Python, Scripting

Especially when writing small Python utility programs, it can be tempting to use sys.argv to retrieve a small list of positional parameters from the command line.  But small utilities turn into successful tools over time, and manually parsing optional parameters and switches will quickly overwhelm your code logic. In this article I will show how … Python: Parsing command line arguments with argparse