accel-ppp as a L2TP LAC?

L2TP related questions
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lbw
Posts: 23
Joined: 09 Mar 2019, 00:16

accel-ppp as a L2TP LAC?

Post by lbw » 05 Dec 2019, 04:32

Hi

I was looking through the L2TP code and it appears, in theory, to have all the right bits to support this but I think the glue isn't present as I can't see how a L2TP tunnel is initiated from accel-ppp other than via the CLI.

Can accel-ppp act as a LAC, that is, receive PPP over L2TP sessions and then forward them over L2TP to another L2TP/PPP (LNS) end point for termination? In Cisco land, the end point is specified in a RADIUS AV Pair of:

Cisco-AVPair := "vpdn:ip-addresses=1.2.3.4"
Cisco-AVPair += "vpdn:tunnel-type=l2tp"
Cisco-AVPair += "vpdn:l2tp-tunnel-password=secret"

That causes the PPP session to be forwarded via L2TP to another L2TP end point.

Am I missing something? If not, I guess I had better get patching to make the glue...

Thanks

rizwankh
Posts: 1
Joined: 14 Jul 2020, 13:56

Re: accel-ppp as a L2TP LAC?

Post by rizwankh » 15 Jul 2020, 06:49

Did you find any solution for this issue?

I am kind of stuck at the same thing.

lbw
Posts: 23
Joined: 09 Mar 2019, 00:16

Re: accel-ppp as a L2TP LAC?

Post by lbw » 18 Jul 2020, 11:56

No solution. I was hoping @dimka88 might shed some light if this is possible with the current code or if I need to try and patch it so I don't spend a hours trying to work it out.

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