I think bypassing their gateway, that is - bringing your own router is the only way to do VLANs, because their gateway is very basic and doesn’t support VLANs at all.

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illusive4080 14 hours ago | parent [-]

You can do VLANs with their gateway but only IPv4, or you have to write custom scripts to ask for additional IPv6 delegations.

	▲	ekropotin 12 hours ago \| parent [-]
		Interesting. Which model of their gateway do you have? I have BGW320 and it definitely doesn’t support vlan tagging.