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134 posts

Master Geek

Topic # 207599 4-Jan-2017 16:19
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The router they rented me is a terrible Netcomm thing which barely works so I'd prefer to use my own existing router which is an ASUS RT-N56U. This probably isn't a supported configuration but I don't really care.


So far I've managed to extract the PPPoE username and (apparently randomly generated) password from the provided router and have inputted this into the ASUS. I also set the MAC address to the same as the Netcomm in case that matters. 


The internet works but seems to die intermittently and the logs confirm that every time connection is established it's immediately terminated, which leads me to believe it's an authentication problem:


Jan 4 15:09:36 pppd[522]: PAP authentication succeeded
Jan 4 15:09:36 pppd[522]: LCP terminated by peer
Jan 4 15:09:36 pppd[522]: Connect time 0.0 minutes.
Jan 4 15:09:36 pppd[522]: Sent 0 bytes, received 0 bytes.
Jan 4 15:09:36 RT-N56U: WAN up (ppp0)
Jan 4 15:09:37 PPPoE: Connected
Jan 4 15:09:37 RT-N56U: WAN down (ppp0)
Jan 4 15:09:37 PPPoE: Disconnected
Jan 4 15:09:39 pppd[522]: Connection terminated.
Jan 4 15:09:39 pppd[522]: Sent PADT
Jan 4 15:09:39 pppd[522]: Modem hangup


Has anyone done this before or have any pointers as to what's going on?

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324 posts

Ultimate Geek
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  Reply # 1700539 9-Jan-2017 15:46
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Slingshot require VLAN Tagging.


Does the ASUS RT-N56U support VLAN Tagging?
Have you set this up?


I'm not familiar with that router but I'm sure some googling you will find a HOW-TO, if it does in deed it supports VLAN Tagging. 

134 posts

Master Geek

  Reply # 1700545 9-Jan-2017 16:14
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Yes it does support VLAN tagging and I have configured this. I have a connection to the internet, the issue is intermittent disconnects, probably caused by improper authentication.


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449 posts

Ultimate Geek
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  Reply # 1700639 9-Jan-2017 20:20
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One of my friends had Slingshot UFB, and I set them up with a third party router running Tomato firmware. From memory, they already had a Slingshot username and password they had chosen when they signed up, which worked for the PPPoE authentication. I didn't have to extract the details from the existing router or clone the MAC address.


Sorry, that's probably not a huge help to you.

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Ultimate Geek
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  Reply # 1700642 9-Jan-2017 20:22
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Last time I setup a non Slingshot router I used the same username and password I use to log into my account at
and make sure the "service name" field in PPPoE setup is blank. 
and I think MTU was 1400


That is about all I can remember.

134 posts

Master Geek

  Reply # 1700740 10-Jan-2017 10:06
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Weird because the password set in the provided modem is definitely not the one I set. Perhaps it's hashed somehow? It kinda looks like it might be. 

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Ultimate Geek
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  Reply # 1700813 10-Jan-2017 11:52
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If you are looking at the password in the config backup-file text file, it is base64 encoded.


I'm not a 100% sure the password actually matters. As long as it is not empty.



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Uber Geek
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  Reply # 1700814 10-Jan-2017 11:54
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Password (and username) does not matter for Spark/Bigpipe, so long as something is there. Not sure if Slingshot is the same?

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  Reply # 1700902 10-Jan-2017 13:53
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Password (and username) does not matter for Spark/Bigpipe, so long as something is there. Not sure if Slingshot is the same?



I don't believe Slingshot use port based authentication.



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Master Geek
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  Reply # 1701334 11-Jan-2017 12:08
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From my experience setting up new modem, you do need VLAN tagging (VLAN 10) and your Slingshot credentials.

134 posts

Master Geek

  Reply # 1701648 11-Jan-2017 20:39
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Maybe the authentication stuff is a red herring. Okay, well then I have no idea what's going on. I have VLAN tagging configured, I have internet working, I've tried using my Slingshot credentials and the ones I extracted from the supplied modem, but I'm still constantly getting "Sent PADT" followed by "Modem hangup" with my modem and not with the supplied modem. Might just have to deal with the supplied one I guess...

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  Reply # 1714889 3-Feb-2017 11:17
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Well, if you say your Internet does work - then looks like auth is Ok, otherwise you won't be able to connect at all.

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