Sharing ADSL on separate networks

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jazmeister

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Jul 14, 2014
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Hi Folks,
I have an issue where I have 3 sub-tenants in my office and we're providing a single ADSL 2 line coming in which is shared between them.
Total approx 10 computers. One group has 5 all connecting through an airport which then goes wired through the patch panel.
Currently they all connect via patch panel through the same 10/100 Netgear switch, then with a single ethernet cable going in to LAN side of a basic Billion modem/router. We seem to be getting bottle necks when everyone is hitting that ADSL connection, plus they are all on the same network which isn't ideal.
I'm stuck with a single ADSL connection, but what would be the best way to share that to the 3 sub-tenants? Separate switches from the patch panel then each one of those into a LAN port of the router? Or separate routers? Or is there a single router that can run 3 or 4 VLANs, (if VLAN is the right thing?)
Much thanks for your wisdoms in advance.
 
Solution
Someone Somewhere
Yup. Unless your internet connection is somewhere above 70Mb/s, anything ethernet on your side of the of the router isn't going to be the bottleneck.

The other thing that might work is to get a better router and block file sharing traffic - I wouldn't be surprised if one of the employees was using bittorrent.
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J

jazmeister

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Hey much thanks for your swift response. Speed is comparable to another line in the building on its own network, averaging around 7-8 Mbps [which is comparable]. Don't have any more data I'm afraid. Ping is often very slow though - 150/200Ms. Speedtest takes a while to load, but when it does it's around 7-8Mbps.



 
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Someone Somewhere

Someone Somewhere

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Sep 23, 2012
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Can you see if you can log into the router and get that info? Differences between that and speedtest plus high ping are a sign that the cabinet/exchange backhaul is congested, which is something your ISP may need to look into.

If the sync rate, distance to the DSLAM, and/or attenuation do not match up, a master filter might help. Sometimes significantly. Unfortunately, if others in the building get similar speeds that's probably not the case.

Aside from getting another line, there's probably not much you can do.
 
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J

jazmeister

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Jul 14, 2014
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Sorry mate, I didn't understand too much of that, but I get the general gist. In summary though, are you also saying that having 10 ethernet connections through a 10/100 switch into a single LAN port of a domestic billion router ISN'T causing a bottleneck and it's an ISP issue?
 
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Someone Somewhere

Someone Somewhere

Titan
Sep 23, 2012
22,291
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84,965
Yup. Unless your internet connection is somewhere above 70Mb/s, anything ethernet on your side of the of the router isn't going to be the bottleneck.

The other thing that might work is to get a better router and block file sharing traffic - I wouldn't be surprised if one of the employees was using bittorrent.
 
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Solution
J

jazmeister

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Jul 14, 2014
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Much thanks for all your help mate, we're getting the ISP and telco to look into lines into building as they seem to think they have a degrading issue too and we're upgrading modem/router too. Thanks heaps, you've been a huge help.

 
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