Two subnets on home network with different DNS

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richms

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#2039178 17-Jun-2018 18:04

If you turn on allowing access from the wan side whihc some routers allow you to do that would let you get to it from both sides, still hidden from the internet by the other router so not the huge security problem it sounds like by name.

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yitz

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#2039180 17-Jun-2018 18:11

Relevant setting seems to be this one:

tick web and ping and you should be able to access the management UI and ping from the Fritzbox LAN.

Seems you can allow all of WAN interface (Fritzbox LAN) or restrict to particular IPs on the Fritzbox LAN.

timmmay

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#2039240 17-Jun-2018 20:11

@yitz what firmware is that? I just got 5.1.4 and it looks different from what you posted.

I set up an inbound filter that I thought allowed traffic from the WAN, and set up port 8080 (the default). I can't even ping it, even though WAN ping is turned on.

The traceroute shows those packets going out to the internet, not to the router. The router is actually connected to a switch in my office, same one as my PC, which is connected to the main router by Ethernet cable.

tracert 192.168.0.1

Tracing route to 192.168.0.1 over a maximum of 30 hops

1 <1 ms <1 ms <1 ms fritz.box [192.168.1.5]
2 2 ms 2 ms 3 ms x.x.x.x.static.snap.net.nz [y.y.y.y]
3 * * * Request timed out.
etc

Admin from my PC on the other subnet is a "nice to have" feature. I'm learning a bit about networking though, which is good :)

yitz

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#2039247 17-Jun-2018 20:23

You need to be using the WAN IP of the DIR-615 when accessing from the Fritzbox LAN

It should be 192.168.1.x

(whatever was statically assigned or if DHCP check what was assigned from the lease table on the Fritzbox)

timmmay

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#2039276 17-Jun-2018 21:18

Ah, I get it now. Yes, that works, thanks :)

Now I just have to put the router somewhere near the Roku. I have one network port beside my home entertainment system, but it goes from my Raspberry Pi media center to the Fritz on the 192.168.1.0/24 network. Given the DLink is on 192.168.0.0/24 and the PC it needs to access is on 192.168.1.0/24 I don't think I can plug the R.Pi into the DLink to access the PC - unless there's some way to bridge the networks I don't know about?

I have an Ethernet port in the ceiling above the Roku, which is fine. I don't mind if it doesn't last long.

richms

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#2039277 17-Jun-2018 21:20

See if you can flash openwrt onto the router, that may let you reconfigure the switch inside it to let you have 2 or 3 ports on the wan side and the rest on the lan side etc. Been so long since I have played with it I dont know what its support on currentish hardware is like.

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timmmay

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#2039294 17-Jun-2018 21:55

I have another router with ddrwt / open wrt support. Linksys 54HL, very old now though. Probably not worth the bother.

freakngeek

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#2039339 18-Jun-2018 07:18

https://openwrt.org/toh/d-link/dir-615

timmmay

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#2039348 18-Jun-2018 08:02

freakngeek:

https://openwrt.org/toh/d-link/dir-615

Thanks, but I'd probably use the Linksys 54GL to start with if I need OpenWRT. It's old but solid, it's been in active use by myself or a friend for at least a decade.

freakngeek

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#2039784 18-Jun-2018 14:48

https://wiki.dd-wrt.com/wiki/index.php/Linksys_WRT54GL
You are limited to small images <4MB

From memory Mrs Cafe is running DD-WRT on a v7 WRT54GS and has been for 8 years with no issues
Chosen as it had more Flash so could flash full sized images

timmmay

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#2039809 18-Jun-2018 15:04

The only reason to look at Open WRT would be to change the switching so I can have some on the WAN some on the LAN. Sounds like too much hassle to me, I'll just put it in the roof where I have a spare Ethernet cable that's connected to the main router.

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