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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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  • 0

    Hi,

    please review your firmware and pattern update schedule and change it to every hour for a start and see if that improves the performance.

    ian

    XG115W - v19.5.1 mr-1 - Home

    If a post solves your question please use the 'Verify Answer' button.

  • 0 in reply to rfcat_vk

    already it has been set at every 2 hours

  • 0 in reply to Dinesh Dighe

    Hi,

    My suggestion was based on experience with update timing, obviously wrong in your case. What is the speed of your link? Also what is your DNS setup? Further please check your CPU and memory statistics.

    Ian

    XG115W - v19.5.1 mr-1 - Home

    If a post solves your question please use the 'Verify Answer' button.

  • 0

    Hey  ,

    Thank you for reaching out to the community, can you please share the screenshot of the WAN link manager > IPv4 gateway and that interface's Failover rules?
    Ensure you have a PING on IP address for the Airtel's gateway IP with "AND" condition to PING to Global DNS "8.8.8.8" 

    And when the ISP goes down, try executing the command in the console: On the CLI, select option 4. Console.

    console> system diagnostics utilities arp ping interface Port<no> <Airtel ISP's gateway IP>

    Thanks & Regards,
    _______________________________________________________________

    Vivek Jagad | Team Lead, Global Support & Services 


    Sophos Community | Product Documentation | Sophos Techvids | SMS
    If a post solves your question please use the 'Verify Answer' button.

  • 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.

  • 0

    Do you have a HA setup with the Sophos Firewalls initiating PPPoE?

    We've had similar setup and the ISP let us know that both of them where logging in wiith PPPoE causing similar issues. This also started happing after updating to 19.5.

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