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194 posts

Master Geek
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Topic # 195106 6-Apr-2016 14:27
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Hi guys,

 

 

 

I'm helping out my wife with her new office and their VDSL connection.

 

My old Technicolor VDSL modem would constantly drop the connection so we've asked Callplus, and they sent a preconfigured Netcomm Gigabit NF4V modem/router.

 

It connected fine but now we can't dial into their remote office via VPN, we've tried on two laptops using the LAN cable.

 

I've called Callplus but twice but they couldn't suggest anything. 

 

I've tried myself disabling the firewall, IPV6, basically playing with the PPP settings, nothing changed.

 

I've reverted for now to old Technicolor modem although with the same reliability problems as before.

 

Has anybody got any suggestion on where to look?

 

Thank you

 

 

 

 


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3345 posts

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  Reply # 1527350 6-Apr-2016 22:01
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So where is the VPN server? At the remote office? Or at the same office as where the new NF4V is?

 

If it is at the same office as the new NF4V I would take a punt that correct ports aren't being forwarded to the VPN server. Also, what kind of VPN?

 

Also, the NF4V comes pre-packed with a handful of cr4p-tastic ALG's which can mess with a bunch of different services - take a look in NAT (or it might be firewall), and then look for 'ALG', then turn them all off.


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  Reply # 1527353 6-Apr-2016 22:08
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ZiglioNZ:  disabling the firewall 

 

Please don't do this, it is very bad.  Make sure you enable it again.

 

The setting you want is under "Advanced Setup > NAT > ALG"

 

Whatever type of VPN it is (probably IPSEC) try disabling the ALG for that type, and try again.


 
 
 
 


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194 posts

Master Geek
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  Reply # 1527465 7-Apr-2016 09:54
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Thanks guys, 

 

 

 

that was it: I found the NAT/ALG settings and checked the boxes (they were all unchecked). I believe it was probably the IPSEC one that did the trick but I didn't have time to try one by one.

 

We'll see how whether the VDSL connection is stable with this modem. Kudos to Callplus for sending it immediately. I'm suprised that nobody from their technical help line could suggest anything concerning the settings.

 

The remote office is indeed remote, in Wellington, while we're in Hastings.

 

We've also been struggling with the Chorus technicians seemingly incapable of wiring the phone line correctly. Today they'll come back for the third time. Both VDSL and phone line should come out of different ports from the same box, the central filter.

 

The first time, the voice line was dead. The second time, they wired it to another box altogether, and wasn't filtered.

 

Curious to see what happens today. But this is another story.

 

 

 

Cheers 

 

 


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  Reply # 1527543 7-Apr-2016 11:29
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Sorry should have said "or enabling" but I thought these are all enabled by default.  Glad you sorted it anyway.  Good luck with the install, can't help you there unfortunately :P


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