VLANs in OpenWrt 21

The VLAN Konfiguration has changed in OpenWrt 21.02 - Bridge VLAN Filtering and Distributed Switch Architecture (DSA) change the way we configure the network segmentation in a Guest, IOT and LAN Network. 00:00 Intro 00:58 TLDR – Chapter overview 01:15 Recap VLANs 04:24 Recap Version 19 08:13 Version 21 – 802.1Q VLANs 08:51 implicit/explicit configuration 10:53 Version 21 - DSA and bridges 12:12 Bridge VLAN filtering 16:07 egress/ingress/tagged/untagged explained 20:50 adding Wi-Fi to a VLAN 22:04 configuring a 2nd access point 24:30 Best practices and tips Related videos: Commands I type or use: cd /etc/config cp network network.bak opkg update opkg install diffutils while true; do clear ; diff network network.bak ; sleep 1 ; done to check if IP4 forwarding is active: cat /proc/sys/net/ipv4/ip_forward (0: not active, 1: active) to disable forwarding (does not survive reboot): echo "0" (gt) /proc/sys/net/ipv4/ip_forward (replace (gt) with the "greater" sign) to survive reboot: add net.ipv4.ip_forward=0 into the /etc/sysctl.conf file