Network migration 21.02.0-rc2

Installing and Using OpenWrt
14

Thanks for your great debugging @anon2180415!

I took your original config, copied to my working device and run step 1 migration on it. It broke connectivity for me as I run totally different device but I could still make a copy using serial console shell access.
I fixed my network, copied post-step-1 version of your network and run step 2 migration on it. I lost connectivity again but I got the final (post migration process) network.

I'm pasting relevant part of post-migration network:

config device
	option name 'br-VL10'
	option type 'bridge'
	list ports 'bat0.10'
	list ports 'eth1.10'

config interface 'VL10'
	option proto 'static'
	option delegate '0'
	option igmp_snooping '1'
	option igmp_v3 '1'
	option multicast_querier '0'
	option ipaddr 'x.y.z.61'
	option netmask '255.255.254.0'
	option gateway 'x.y.z.1'
	option broadcast 'x.y.z.255'
	list dns 'IP_ADDR_DNS1'
	list dns 'IP_ADDR_DNS2'
	option device 'br-VL10'

I've compared network I got after migration with your manually editied one:

obraz

I don't see anything important in your manual modifications that could explain why auto-migrated config didn't work. Your lower case br-vl10 looks nice but it shouldn't matter. IGMP options and multicast_querier were not migrated automatically but they shouldn't be critical.

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