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How terrible is double NAT? really? (lemmy.world)

submitted 2 years ago by squigglycunt@lemmy.world to c/selfhosted@lemmy.world

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Hi,

I’ve been trying to work out my network architecture with the pieces i have today:

isp box with 10gig dac downlink, 4 ssd bays
pfsense box with dual 10gig dac card
switch with 10gig dac uplink and multi gig rj45
main proxmox host
other devices (laptops, iot…)

ive ran into a dilemma regarding switching my isp box to bridge mode:

if i do, i lose wlan and nas capabilities
if i dont, i have to contend with double nat

i’m sure that eventually i will get an ap (maybe unifi) and a dedicated nas (either home built or something like synology or asustore), but for the moment, i want to keep cost down and gradually add new pieces

i was wondering if double nat is of huge performance and maintenance implications, or if i would be okay running this setup for a few months until i get to add an ap and nas?

thank you

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[–] toma@lemmy.omat.nl 12 points 2 years ago (1 children)

You’ll be fine. In the past stuff like ftp and sip could get confused by double nat, but not so much today. And stuff like opening a port from outside to the inside needs some planning through double nat.

We run it in the office for years now and it is totally fine. We are in a building with multiple companies sharing internet and we wanted our own network within, so we are using double nat (internet modem and our switch).

[–] squigglycunt@lemmy.world 1 points 2 years ago

great! thanks man