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Topic # 94461 12-Dec-2011 12:18
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Okay;

at home I want to have the setup where my router gets the public IP from my modem.

so I have an RTA 1320 --> WNDR3700 with DDWRT --> clients from there.

my understanding was that I could use PPPoE only if the ISP supported it?

My current setup is I enabled IP extension on the RTA1320 which assigns the Public IP to my WNDR3700 (which is set to DHCP mode), which is cool, but I hear that the RTA1320's don't last that long, so I am wanting to know if there's a more efficient way of doing this?

My understanding was that my ROUTER had to be set to PPPoE with all my details in it (Im with slingshot), and it would use the modem as just that, a modem. Are we able to do this in NZ? Is it supported by Slingshot?

Any help would be greatly appreciated - I haven't really had time to play around with it to see if I can get it to work, but if anyone knows if it does work and how I would go about setting it up that would be pretty cool.


Thanks guys,





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  Reply # 556879 12-Dec-2011 12:23
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As far as I'm aware the only device that will do what you're describing (allow the router to do PPPoE authentication on a standard PPPoA-based ADSL line) is the DrayTek Vigor120.

On other devices with half-bridge the authentication is still configured on the modem, the router is just put in DHCP mode (no authentication).

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  Reply # 556908 12-Dec-2011 12:58
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My previous workplace got TelstraClear ADSL (actual TelstraClear copper) which used PPPoE, rather than PPPoA, so it should be possible. I tried briefly to do what you describe, but we just bought a decent all-in-one modem/router to get running, and I didn't look at it again.

At home I tried and failed to get DLink modem (PPPoA) + Mikrotik going in half-bridge mode. I only had ADSL for 6months or so before going back to cable. Sweet sweet cable.

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  Reply # 556917 12-Dec-2011 13:07
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Yeah, half-bridge can be a pain in the butt.

Some ADSL connections can now use PPPoE (though they require a modem/router that can insert the necessary VLAN tag).



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  Reply # 557072 12-Dec-2011 16:40
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Can you explain to me a little more about the VLAN tag please? I saw something referenced to that in my router....?





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  Reply # 557081 12-Dec-2011 16:43
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If you are connected to an exchange and on Slingshot's LLU equipment eg: Better network you may be able to use PPPoE and full bridging. I would contact slingshot to be sure.

Otherwise ISP's provide their consumer ADSL services via Chorus equipment/plans now (formerly Telecom wholesale services) and the plans offered use PPPoA only (except for higher end business plans and VDSL2).

You may get lucky and your RAT1320 lasts for a decent while.

If it dies you can go TP Link TD 8840 which is basically the similar to the RTA1320 but casing seems to be better ventilated for IP Extension or Draytek Vigor 120 for PPPoA to PPPoE relay/passthrough.

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  Reply # 557084 12-Dec-2011 16:48
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Aaroona: Can you explain to me a little more about the VLAN tag please? I saw something referenced to that in my router....?


Their are several grades of service ISP's can buy from Chorus to provide ADSL2+ using the Chorus equipment/network.

The one mostly used these days is EUBA0 (no dedicated voip channel), the higher end versions have a dedicated bandwidth "channel" for voip... the basic idea is the modem tags voip traffic with certain vlan tags if goes via the dedicated voip channel instead of the general internet/best effort.

Typically no ISP's use this to provide their consumer/residential plans because it's more expensive than EUBA0 and the modems that support the proper vlan tagging used are expensive too.

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  Reply # 557414 13-Dec-2011 12:46
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Aaroona: Okay;

at home I want to have the setup where my router gets the public IP from my modem.

so I have an RTA 1320 --> WNDR3700 with DDWRT --> clients from there.

my understanding was that I could use PPPoE only if the ISP supported it?

My current setup is I enabled IP extension on the RTA1320 which assigns the Public IP to my WNDR3700 (which is set to DHCP mode), which is cool, but I hear that the RTA1320's don't last that long, so I am wanting to know if there's a more efficient way of doing this?

My understanding was that my ROUTER had to be set to PPPoE with all my details in it (Im with slingshot), and it would use the modem as just that, a modem. Are we able to do this in NZ? Is it supported by Slingshot?

Any help would be greatly appreciated - I haven't really had time to play around with it to see if I can get it to work, but if anyone knows if it does work and how I would go about setting it up that would be pretty cool.


Thanks guys,

I tried that, although havent dug out the free RTA1320 yet so its just on an ancient modem that still works. Half bridge like you have wasn't that reliable, so I switched to full bridge and set PPPoE in the router and works great on slingshot. Only problem (apart from modem being old) is that configuring the modem requires a static IP and direct connection once the bridge mode is set, but its reliable enough to not need any further work for the last 3 months. I did put them both on a surge protector just to be sure...




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  Reply # 557418 13-Dec-2011 12:53
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Ragnor:
Aaroona: Can you explain to me a little more about the VLAN tag please? I saw something referenced to that in my router....?


Their are several grades of service ISP's can buy from Chorus to provide ADSL2+ using the Chorus equipment/network.

The one mostly used these days is EUBA0 (no dedicated voip channel), the higher end versions have a dedicated bandwidth "channel" for voip... the basic idea is the modem tags voip traffic with certain vlan tags if goes via the dedicated voip channel instead of the general internet/best effort.

Typically no ISP's use this to provide their consumer/residential plans because it's more expensive than EUBA0 and the modems that support the proper vlan tagging used are expensive too.


That whole seperate VLAN for voice traffic thing seems to have been a red herring. I have never seen it used and have had no problems running VOIP traffic over the main internet channel as long as I have QoS. Waaaay too complicated to setup and your average IT help person who comes to your SMB to fix this thing probably doesn't even know what a VLAN is.







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  Reply # 557423 13-Dec-2011 13:03
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webwat:
Aaroona: Okay;

at home I want to have the setup where my router gets the public IP from my modem.

so I have an RTA 1320 --> WNDR3700 with DDWRT --> clients from there.

my understanding was that I could use PPPoE only if the ISP supported it?

My current setup is I enabled IP extension on the RTA1320 which assigns the Public IP to my WNDR3700 (which is set to DHCP mode), which is cool, but I hear that the RTA1320's don't last that long, so I am wanting to know if there's a more efficient way of doing this?

My understanding was that my ROUTER had to be set to PPPoE with all my details in it (Im with slingshot), and it would use the modem as just that, a modem. Are we able to do this in NZ? Is it supported by Slingshot?

Any help would be greatly appreciated - I haven't really had time to play around with it to see if I can get it to work, but if anyone knows if it does work and how I would go about setting it up that would be pretty cool.


Thanks guys,

I tried that, although havent dug out the free RTA1320 yet so its just on an ancient modem that still works. Half bridge like you have wasn't that reliable, so I switched to full bridge and set PPPoE in the router and works great on slingshot. Only problem (apart from modem being old) is that configuring the modem requires a static IP and direct connection once the bridge mode is set, but its reliable enough to not need any further work for the last 3 months. I did put them both on a surge protector just to be sure...


Can you elaborate a little more please?

Are you on Slingshot equipment (at the exchange/cabinet)? I think I'm just on Telecom wholesale stuff or whatever it is called these days. - if theres an easy way to tell, let me know and I'll take a look.

When you say "Static IP" you mean I need to have a static PUBLIC IP? In other words; an extra $10 from slingshot?

with my current setup everything works okay, the way the router gets around the lease in case the public IP changes, is by having a lease time of 5 minutes, which just keeps refreshing to make sure its correct, keeping the internet up.

Hope that all makes sense. In a bit of a brain fart mood, so sense is not what I make right now! :P






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