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Sophos XG 135 - Internet stops working for 10-15 mins

Dinesh Dighe

Hi All,

we are using Airtel ISP ,today i have upgraded its firmware 19.0 to 19.5 now Internet stops working for 10-15 mins. is there any permanent solution for this?



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    Hi Dinesh,

    Good day and thanks for reaching out to Sophos Community. Hope you're well.

    Few queries:

    -Did you configure this ISP to a new interface and used it after the upgrade? or prior upgrade this was already your ISP and working with no issues?

    -Do you have alias IPs on the Airtel ISP interface on Sophos Firewall?

    -When ISP/internet goes down, can you confirm if FW still can ping and has connectivity to public?

    -Can you also share ARP neighbor on Configure>Network>Show>Ipv4 neighbor cache (if it has entries of the upstream router ISP)

    Also, kindly respond to Vivek's recommendation and let us know the outcome. I may recommend you as well to open a support ticket if none of the recommended steps would work so it can be further checked by an engineer. Then kindly share with us the would-be generated caseID via DM or by replying to this thread.

    Thanks for your time and patience, and thank you for choosing Sophos

    Cheers,

    Raphael Alganes
    Community Support Engineer | Sophos Technical Support
    Sophos Support Videos | Product Documentation  |  @SophosSupport  | Sign up for SMS Alerts
    If a post solves your question use the 'Verify Answer' link.

Reply
  • 0

    Hi Dinesh,

    Good day and thanks for reaching out to Sophos Community. Hope you're well.

    Few queries:

    -Did you configure this ISP to a new interface and used it after the upgrade? or prior upgrade this was already your ISP and working with no issues?

    -Do you have alias IPs on the Airtel ISP interface on Sophos Firewall?

    -When ISP/internet goes down, can you confirm if FW still can ping and has connectivity to public?

    -Can you also share ARP neighbor on Configure>Network>Show>Ipv4 neighbor cache (if it has entries of the upstream router ISP)

    Also, kindly respond to Vivek's recommendation and let us know the outcome. I may recommend you as well to open a support ticket if none of the recommended steps would work so it can be further checked by an engineer. Then kindly share with us the would-be generated caseID via DM or by replying to this thread.

    Thanks for your time and patience, and thank you for choosing Sophos

    Cheers,

    Raphael Alganes
    Community Support Engineer | Sophos Technical Support
    Sophos Support Videos | Product Documentation  |  @SophosSupport  | Sign up for SMS Alerts
    If a post solves your question use the 'Verify Answer' link.

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