What do you mean?
The ISP is offering a ZTE ONT here that can work both in router and bridge mode.
Mine is in bridge mode and I use a Netgate XG7100U behind it, running PFSense. I have a /56 from the ISP and both my VLANs have IPv6 without any issues.

Why should I change the ISP?

Thanks,
Andrei
 SM> Hi Andrei!

 SM> Sunday December 27 2020 16:09, you wrote to me:

 AR>> Great idea.
 AR>> Also, if possible, ask the ISP to put their equipment in bridge mode
 AR>> and just put your own router behind their gear.

 SM> If this is different, then you should think about changing the provider.

 SM> Have a nice night.
 SM>           Stas Mishchenkov.

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