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Topic # 129447 16-Sep-2013 13:11
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Hi, have a client running a Netgear DG834G Wireless ADSL Firewall Router (firmware 1.05.00)
Seems to be running out of puff supporting Hamachi VPN clients (up to 10 simultaneous - typical load is 2-5).
Can anyone recommend a suitable replacement that can handle that sort of load ?




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  Reply # 896376 16-Sep-2013 15:21
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I think the general consensus around here is a mikrotik for a router and Drayktek Vigor 120 in bridge mode to turn the ADSL into ethernet or I think the Draytek 130 to turn VDSL into Ethernet.

I personally promote PFsense but its probably not so much a turn key solution.





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  Reply # 896399 16-Sep-2013 16:07
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I personally promote PFsense but its probably not so much a turn key solution.


I would suggest neither is a Mikrotik if you haven't used one before. I know it freaked me out the first time I tried to set one up. Really does make you think about what you are doing. pfsense is much easier to use IMO.

 
 
 
 


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  Reply # 896400 16-Sep-2013 16:14
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mikenz86: Hi, have a client running a Netgear DG834G Wireless ADSL Firewall Router (firmware 1.05.00)
Seems to be running out of puff supporting Hamachi VPN clients (up to 10 simultaneous - typical load is 2-5).
Can anyone recommend a suitable replacement that can handle that sort of load ?



10 hamachi vpn connections, are you sure they aren't just saturating the upload of their dsl connection?



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  Reply # 896408 16-Sep-2013 16:27
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That is definitely a possibility as well. Just checked, and currently 4 live Hamachi connections, with one in use (ie RDP session) running. How much traffic does Hamachi use to keep alive a connection ?

I was pinging this morning and had a bunch of timeouts, or the ping would go up to 2000 milliseconds, normally get average ping about 53 ms, so something was not happy earlier.

Any thoughts ?


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  Reply # 896492 16-Sep-2013 18:47
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Can you check the CPU / memory load, and bandwidth usage at the times you are having problems on the router?



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  Reply # 896511 16-Sep-2013 19:29
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Have had to swap the hardware temporarily. Was running on an i7 with 16 GB RAM, so I considered that overkill.
Current box is a AMD quad core, 4GB RAM and 256GB SSD.
I access the box remotely, client is an hour away one way, so gets a bit tricky to monitor when it decides to get flaky.
Will be going back on-site soon, to swap the original box back in, will hang around for a while so I can monitor things.
They get about 9 mbit down, 1 mbit up through their current adsl connection.
My thinking is that either the connection is choking or the router. I can't do much about the connection, so putting in a gruntier router helps me eliminate the router as the cause.



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  Reply # 896534 16-Sep-2013 20:07
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It's not so much going to be the keep-alive data for hamachi, but what they're using the connections for. with 5 clients it only takes 200kbps average from each to saturate the upstream and it's over. 200kbps ~25KB/sec... that's almost unusable for anything practical anyway!




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  Reply # 896570 16-Sep-2013 20:40
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Basically used for RDP sessions, running Office and a database program or two. Nothing too demanding as far as I can see.
They may have Outlook syncing/connecting back to their Exchange server at the same time, so I'll get them to exit Outlook prior to a remote session and I'll change the RDP client settings to no audio, printers or clipboard, and set the experience to modem.
Hopefully that makes a difference....

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  Reply # 896588 16-Sep-2013 21:38
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mikenz86:
My thinking is that either the connection is choking or the router. I can't do much about the connection, so putting in a gruntier router helps me eliminate the router as the cause.


So you choose the non obvious answer to give you an excuse to waste other people's time and money or what??




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  Reply # 896602 16-Sep-2013 21:57
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"So you choose the non obvious answer to give you an excuse to waste other people's time and money or what??"

"Please don't go off topic. Post a reply only if it is related to the original discussion.
Be considerate, ......"


If I had figured out the obvious answer then I wouldn't be posting in the first place! duh.

While I might be wasting people's time here (a debatable point), at no time have I mentioned spending other people's money, so I would appreciate it if you dialled back on the rhetoric a bit.

many thanks to the other commentors who have been really helpful, sometimes you just can't see the wood for the trees....

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  Reply # 897520 18-Sep-2013 11:26
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mikenz86: Basically used for RDP sessions, running Office and a database program or two. Nothing too demanding as far as I can see.
They may have Outlook syncing/connecting back to their Exchange server at the same time, so I'll get them to exit Outlook prior to a remote session and I'll change the RDP client settings to no audio, printers or clipboard, and set the experience to modem.
Hopefully that makes a difference....


It's most likely the upload being saturated.  Can they get VDSL2? Check with Snap or Telecom.

A better router would give your more control and visibility though, I always recommend separate modem bridged to a router for geeks because of the extra control you can get with open source third party firmware.

With two devices you want to bridge the modem to the router to avoid double NAT so for ADSL2+ in NZ most ISP's use PPPoA and only a few models can bridge this, eg:

Draytek Vigor 120 (PPPoA to PPPoE relay/bridge) - Best option but most expensive option
TP Link TD-8840 (older non T version has IP extension, newer T version doesn't) - Hard to find now, check trademe
Dynalink RTA 1320 (IP Extension / Half Bridge) - Usually very cheap on Trademe
Linksys AM300 (Half Bridge)

Then for the router I would look at choosing the OS you want then choosing the hardware, popular options include:

Gargoyle Router
Tomato USB (Mod versions)
pfsense
Mikrotik

For example I'm using:

Home: TP Link TD-8840 on Telecom ADSL2+ connection half bridge/ip extensions to a TP Link TL-WR1043ND running Gargoyle Router
Work: Telstraclear provided VDSL modem via PPPoE to Linksys WRT54GL running Tomato USB Toastman




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  Reply # 901273 23-Sep-2013 15:08
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Looks like they are running OK at the moment.
Changed the settings for RDP experience as modem, and turned off sound playback.
Found the biggest problem was an app conflict. The database program was seeing each user as the same station ID, with only one instance allowed. So one user would be on and get kicked off when the other user logged in and started using the program, and vice versa causiing no end of frustration, but it would dump the whole rdp session as well as the app, so was a bit tricker to narrow down as a result.
VDSL is still a possibility, if they get more remote users, then we may have to step up to that.

Cheers.

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