Linksys SPA2102 with BigPipe not working

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lchiu7

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#215497 29-Jun-2017 22:33

Up till now I have successfully been using a SPA2102 with VoIP on Vodafone cable. My provider is https://simonics.com/gw/index.php which is a nice gateway which allows me to connect my SPA2101 to my Google Voice number. That means I can make and receive calls on my Google Voice number for free.

Since this has been working for ever I never had to change anything. But today I moved to Bigpipe UFB and I am using a ASUS RT-AC66U instead of the Huawei. That works fine and I am getting the 200/20 I paid for.

Now this is probably a silly question but for the life of my I know there is only one ethernet cable attached to the SPA2202 but for the life of me I can't recall if it's to the LAN or Internet port. If it's to the LAN port then I can configure the device but it's hard to see how it can then connect to the Internet given the WAN configuration page has all kinds of settings required.

From a dim memory I recall having to connect the cable from the router to the ethernet port to configure it and then to the Internet port to make it work.

If that is the case then the WAN settings are unclear to me. I have static IP with Bigpipe. The WAN configuration looks like this

The Bigpipe folks told me in the Asus to choose PPPOE and logon as bigpipe with any password and that works fine for the main Internet.

But I can't get the SPA2101 to register at all. I am not sure if that's because I have filled out the WAN fields wrong (I have coded my static IP in the static IP field and I don't know what the gateway address is). Or should I have the Internet connection patched in or does Bigpipe not support VoIp? I can't believe the last point since I have another VoiP adapter (OBI100) which is working fine.

All the Line1 settings are as they were for Vodafone cable.

Thanks for any advice

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coffeebaron

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#1809276 29-Jun-2017 22:45

Connection type should be DHCP on the SPA. Internet port into router. To configure it, temp plug in laptop/PC to SPA LAN port.

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lchiu7

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#1810601 2-Jul-2017 20:34

Thanks. The DCHP fixed it and also knowing which port to use for configuration and which to use for accessing the Internet, And not after multiple factory resetting it and using the phone interface.So many unexpected side effects when just changing ISP's.

Luckily I was able to retain my ASUS router and retain all my complex network routing miles.

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sbiddle

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#1811192 3-Jul-2017 18:45

You should always use the WAN port with DHCP so I'm surprised anything in your setup would need changing with an ISP move. The biggest problem you'll face is that VoIP probably won't work until you get a static IP as VoIP is very fussy with CG-NAT.

The 2101/2102 have routing capabilities and can be used as a router hence the WAN/LAN ports. They are only capable of routing ~8Mbps which was fine 13 or so years ago when they came out but pretty useless now,

lchiu7

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#1812283 3-Jul-2017 22:32

sbiddle:

You should always use the WAN port with DHCP so I'm surprised anything in your setup would need changing with an ISP move. The biggest problem you'll face is that VoIP probably won't work until you get a static IP as VoIP is very fussy with CG-NAT.

The 2101/2102 have routing capabilities and can be used as a router hence the WAN/LAN ports. They are only capable of routing ~8Mbps which was fine 13 or so years ago when they came out but pretty useless now,

To add some data points. It turned out that for the SPA2102 the only change required was probably to alter the settings from Fixed IP (Vodafone cable) to DHCP. I just had forgotten how to configure it, not having done it for a few years now.

And as luck would have it, I did pay extra for static IP so that is not an issue.

The VoIP setup is not for my local phone but to allow me to integrate my Google Voice number with a SIP service so that if somebody calls my Google Voice number it rings at home. And all outbound calls to any US and Canada number are free. Of course it does make me susceptible for telemarketing calls but Google Voice can filter those which is good since they tend to arrive at strange hours in NZ times.

The audio quality is fine and I don't use it as a router so speed is not an issue.

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Spyware

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#1812312 4-Jul-2017 07:14

lchiu7:

To add some data points. It turned out that for the SPA2102 the only change required was probably to alter the settings from Fixed IP (Vodafone cable) to DHCP. I just had forgotten how to configure it, not having done it for a few years now.

And as luck would have it, I did pay extra for static IP so that is not an issue.

Given the WAN interface of SP2102 is connected to LAN interface of ISP router then it can only logically be assigned a PRIVATE IP address via DHCP. Whether it was connected to either ISP via a NAT router its WAN interface should have been set to DHCP. SP2102 WAN interface would only be set to PPPoE if connected directly to ONT.

Note: Static public IP is also assigned via DHCP to the ISP router's PPPoE interface.

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lchiu7

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#1812586 4-Jul-2017 14:12

Spyware:

lchiu7:

To add some data points. It turned out that for the SPA2102 the only change required was probably to alter the settings from Fixed IP (Vodafone cable) to DHCP. I just had forgotten how to configure it, not having done it for a few years now.

And as luck would have it, I did pay extra for static IP so that is not an issue.

Given the WAN interface of SP2102 is connected to LAN interface of ISP router then it can only logically be assigned a PRIVATE IP address via DHCP. Whether it was connected to either ISP via a NAT router its WAN interface should have been set to DHCP. SP2102 WAN interface would only be set to PPPoE if connected directly to ONT.

Note: Static public IP is also assigned via DHCP to the ISP router's PPPoE interface.

That is slightly different to what I had with VF cable where I had to enter the static IP and gateway address in the router. So while I have static IP with Bigpipe they never told me what it was (had to check myself). And I have no idea if a gateway address is relevant for a PPPoE interface.

As I said since when I setup the SPA2102 it was many years ago I don't really recall how I set it up with VF but it seemed to be static. It could not have been DHCP I am a guessing the way VF sets up static IP is different to Bigpipe's PPPoE setup. I just hope I don't ever have to switch to another UFB provider and perhaps have to use the Huawei or work out how to configure VLAN's etc. on the Asus :-(

I have another VoIP adapter which is a Obihai OBI100 unit. This connects to to Obi's SIP gateway through the LAN interface so the actual SIP stuff is done in their gateway, not in the device itself. But it also enables your Google Voice account to be attached to the device with the same result as what I have going with the Linksys.

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sbiddle

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#1812884 4-Jul-2017 21:17

You've got it going so this doesn't really matter but I'm confused why you'd have it set up any differently on cable. You were not using the SPA2102 as a router on cable so it should have been the identical setup for DHCP from your primary router.

PPPoE vs IPoE makes no difference as that's the WAN connection type in yor primary router and has nothing to do with the SPA2102 plugged in behind this.

coffeebaron

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#1812920 4-Jul-2017 22:08

I suspect the SPA was originally setup with a (private) static IP on internal network. Then with change of router, internal IP addressing changed. Thus rendered SPA isolated from the outside world.

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lchiu7

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#1813044 5-Jul-2017 09:06

No router change from Vodafone cable to Bigpipe UFB, just a small configuration change in this screen.

If what you guys are saying which is, it should not have made any difference to my Linksys config, then I don't know what happened but happy that it works fine again.

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