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dconnor Posted:
What is the main
number on the
account? And
which one is the
virtual number?

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 13:52:02

Trafford Posted:
Seems like a
question. We
rely exclusively
on a Vonage system
for our

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 05:42:50

diazou Posted:
Hello, It's
compatible with
Android your phone
? Thanks!

In The Forum:
IP PBX for small business
On Mar 28, 2017 at 07:42:33

jeddaisg Posted:
Hi all We have
a Vonage VOIP
system for our
office. Lately,
our call quality

In The Forum:
Ethernet Cable; Wiring schematic? 568-B?
On Feb 23, 2017 at 12:33:52

beast321 Posted:
I don't know if
you heard, that
many more
Dreamcast games
are opened up

In The Forum:
Fax - Tivo - Alarms
Using phone as a dial up modem for Dreamcast Gaming
On Feb 15, 2017 at 21:16:51

Av8rix Posted:
In The Forum:
New adapter and router -- MAC change
On Jan 10, 2017 at 19:07:21

tplink Posted:
Im trying to add
my HT802 vonage
adapter to my home
network. I
currently have

In The Forum:
Hard Wiring - Installation
Vonage behind switch
On Dec 05, 2016 at 06:35:11

DWSupport Posted:
After recent
Vonage update that
took place on the
4th and 5th of
Nov. E-mails with

In The Forum:
Voicemail Not Forwarding to Outlook Accounts
On Nov 10, 2016 at 12:23:26

peterlee Posted:
Had a call from a
Hospital in Ajax,
Ontario to my home
Scarborough, Onta

In The Forum:
Vonage Canada
Hospital Incoming call unable to connect
On Nov 08, 2016 at 11:59:50

I am looking for a
product that will
make my phone ring
louder so I can
hear using

In The Forum:
Looking for a ringer ameliorate
On Oct 26, 2016 at 09:21:30

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Vonage It depends on your situation... My ISP authenticates using PPPoA. My ADSL

It depends on your situation...

My ISP authenticates using PPPoA. My ADSL modem/router, in this instance an old but reliable Netgear DG814, does this. This means it has two interfaces - the external DSL interface gets one public IP from the ISP whereas the internal LAN interface gets a static IP in private address space, in this case,

In this instance, the ISP is only ever going to serve one public IP. This is going to be allocated only to the external Netgear interface. This is the only interface that the ISP can actually see. It is this Netgear router that runs NAT and therefore any packets going out to the Internet are going to be NATted to that one public IP address. NAT should NEVER be disabled on this device.

Now, I can have the Netgear run DHCP or I can have DHCP disabled. The end result is the same - if I have DHCP enabled on it, again it will allocate one and one only IP and that will be given out to the Linksys RT31P2 router's "WAN" interface. Again, this will be a private address and it is If DHCP is disabled, then the Linksys's WAN interface needs to be statically assigned.

Now, here's the important part:

With NAT enabled on the Linksys (which is the default), you effectively have the situation where you are NATting the same packet twice on its way out to the Internet. This is both unnecessary and actually breaks things sometimes (Hotmail is a prime example of this - it can cope fine with single NAT, but double NATting kills things). So, the correct setup in this situation is to do two things:

1. Disable NAT on the Linksys router
2. Add a static route to the Netgear router directing traffic to the Linksys address.

In this situation, the Linksys is acting as a router, not a bridge. This is because it has two different subnets, on one interface and on the other, and routes packets between the two.

This also means that any DHCP requests for should be broadcast only on that subnet and be made only on that one specific interface. So I don't see any reason why DHCP should not work, except that it may be deliberately disabled in software to prevent it running when, as VonageTPA rightly points out, it is acting solely as a bridge. It's just that in my situation, it's not acting as a bridge, it's a router. My concern is that it's being disabled in software unnecessarily, or that there is simply a bug in the firmware.

Incidentally, I'm still trying to get the firmware upgraded from 1.28.00, despite trying reset procedures and even uploading the binary via the web interface, which a Vonage Tier 2 technical support person kindly emailed me. For some reason, the upgrade just doesn't want to take, so I will wait and see what the technical support people suggest next. They have been nothing but helpful and to be fair, I'm not dead in the water - the only thing not working for me right now is DHCP, so it just means statically assigned IP addresses for now, which is a minor inconvenience, but not a major issue at all. I can certainly live without it for a couple of weeks.

Read The Full Thread:

Problems with RT31P2 when NAT disabled and DHCP enabled

It seems I cannot have the router serve DHCP with NAT diabled. Is there any reason
I have the same problem. I couldn't figure out what was wrong and spent many hours
no help on this issue but the latest firmware for the rt31p2 is 1.30.01
Okay, thanks. I'm guessing that my next step is to try a firmware upgrade. How do
DHCP will only work if NAT is enabled. The reason being, if NAT is disabled, the
Oh well. It looks like I'm getting a replacement RT31P2. Not really anything to
Okay, I've got a workaround that I'm finally happy with: 1. I've connected

BeeBee posted "It depends on your situation... My ISP authenticates using PPPoA. My ADSL" on 10/03/2005

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