Hello i'm using a Netgear R7800 with OpenWRT firmware 21.02.0 with a Billion BiPAC 7800N bridged as a modem only (BT Broadband ADSL) and i've noticed high ping spikes with ipv6, ipv4 is fine
For a test i swapped over to a Linksys WRT1900ACS v1 running stock firmware with a DrayTek Vigor 130 modem and still the same
