[Astlinux-users] PPPoE Keepalive

[Michael K. <mic...@ip...>]

Hi Group

I have a site that for years intermittently has periods where it loses PPPoE connectivity on a regular basis. After further investigation by one of my techs, it appears that when this is happening there is significant upstream congestion on the service due to a Veeam backup in progress.
Note that I have set traffic shaping and the voice is not affected however it is when the PPPoE drops the connection e.g.
Feb  9 12:40:33 3060-ETS_Ref-CM1 daemon.info pppd[362]: No response to 3 echo-requests

We have always blamed the access provider but have not been able to pinpoint the issue. I'm now thinking that possibly during this high congestion, LCP Echo Request/Reply are being delayed and/or dropped meaning that Astlinux thinks connectivity is lost and it resets the connection.

So my questions are:

  1.  Is this possible?
  2.  If so, how can I fix it? Something in QoS? Can I change the PPPoE parameters for LCP echos maybe?
  3.  Would changing the service to IPoE fix the problem e.g. only DHCP then?

Thanks all.
Regards

Michael Knill
Managing Director

D: +61 2 6189 1360
P: +61 2 6140 4656
E: mic...@ip...<mailto:mic...@ip...>
W: ipcsolutions.com.au<https://ipcsolutions.com.au/>

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