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ASG 120 issues.

Simon Shaw
We have a remote office, with an ADSL2 connection.  General synch speed is about 11mbit.

We are having issues with using ASG120 on this connection.

Running on a DSL modem directly, PINGS are good and connection is stable.

If I bridge the modem and connect ASG120, the connection goes 'bad'.
PING times are much more erratic, there is about 3% packet loss and sometimes the connection just drops.

To troubleshoot, I have tried two different DSL modems, (one of which is supplied by the DSL provider).  I have also tried two different ASG120 units, including a brand new one purchased last week.
I have factory reset the ASG120 and applied a new basic configuration.  Same problem.

MTU settings etc are all checked and rechecked.
A line check has been run by the telco.

Anyone have a clue what could be happening?


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  • 0
    What do you mean bridge the modem?

    Are you running a PPPoE account from the Astaro through the modem?
  • 0
    Yes, the modem synchs DSL but ASG is doing the PPPoE auth.
  • 0
    Hey Simon,

    Just for grins, what happens if you lower the MTU to 1200?  Have you tried swapping out the cable between the UTM and the modem?

    If it's neither of those, then it seems like the only thing left is trying different combinations of fixed speed and duplex.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0
    Beginning to think there is a line issue.

    I have tried playing with duplex settings, no difference.
    Cable has been swapped.  Will try dropping the MTU down.

    Thanks Bob.
  • 0
    BruceKConvergent recommends rebooting the device just to be sure the NIC and the modem renegotiate to the new, fixed setting.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson
    I have indeed seen this before (I'm unfortunate enough to still be stuck with old fashioned DSL at home, and some of the customers are in the same boat)... I found that shutting down both the UTM and the DSL modem would clear an issue sometimes (issue had to do with PPPOE authentication not working ... I think it was due to an issue with the access concentrator, not the UTM software).

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

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