The VLAN mapping on the ARV4520PW board is the following:
port on Router: | VLAN in software:
LAN 1 | 3
LAN 2 | 2
LAN 3 | 1
LAN 4 | 0
DSL | 4
So LAN4 is not VLAN4 but VLAN0 (VLAN4 is DSL port) -> set "3 2 1 0 5t" as default switch config.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31391 3c298f89-4303-0410-b956-a3cf2f4a3e73