50MBits Up/Down by using WebRTC Streams?

Hi Team, i am using in sum 5 PoE Cameras (JideTech, Reolink and H.VIEW)

On my main Dashboard i use Picture Entity with Refresh 7 Seconds.
My Cameras connected by ONVIF > go2rtc > go2rtc-RTSP to LoveLace

image

I have a 2nd Dashscreen where i have Live-View on all my main Cameras

I use to keep my Datatransfer in LocalLAN so with Dnsmasq-Addon to keep my “duckdns.org” DynDNS local when i am in LocalLAN/Wifi

What i dont understand is that i have Traffic of ~50MBit Up and Download see
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and i can say its 100% my HA-Server

my HA-Server is hosted on a W10-Machine with Hyper-V with following config (2 Cores, 2.2GB RAM, 100GB Flash, 1Gbit dedicated NW-Card [not shared])

Does i miss something, or why i have 10-50Mbps Upload and Download with my Cameras when traffic should be only in local LAN?

I’m facing a same traffic increase since I configured WebRTC in HA (through HACS).

I would expect traffic would only occur when a device (browser/mobile) would open up the stream, but it seems that it is rather “constant”…
A little screenshot from my Unifi dashboard showing my HAOS (on raspberri pi):

This is with 2 WebRTC based streams… seems huge traffic if I would scale it up to tens of camera’s…

Anyone has some more insights in this ?

Perhaps a silly thing to try, but I disabled IPv6 on my 2 interfaces that were configured and the isseu went away… I’m back on low bandwidth usage…