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PPPoE connection on XGS 2100 SFOS 19.0.0 GA-Build31 - slow page loading

Carlo over 1 year ago

Hi,

I have problem with pppoe connection which I don't know how to solve

MTU 1492

MSS 1452

no web policy

no ips

no DoS

tried changing port (on port 2 connection was terrible)

Problem is that pages are loading slow, after I press "enter" on url nothing happens for 10 seconds and then it start to looking for page. I checked on multiple pc's, diferent browsers and directly plugged to lan port (without other clients). Internet speed is about 200 mbps faster on ISP equipment. Behind XG I get around 350 download and 200 upload.

Maybe this has to do something with dns but I don't know how to troubleshoot.

Thanks.

Carlo

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Top Replies

LuCar Toni over 1 year ago +1 suggested

A good indicator of troubleshooting is developer mode of your browser. Press F12 and check the Network tab. There you should find an information about delays.

0 Bharat J over 1 year ago in reply to Carlo

Hi Carlo

Can you place an unmanaged switch between the PPPoE modem router and Sophos XG?

Regards

"Sophos Partner: Networkkings Pvt Ltd".

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0 Carlo over 1 year ago

When I turn off DNS service browsing speed on clients improves on clients
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0 Carlo over 1 year ago in reply to Carlo

but firewall is not connected to sophos central behind pppoe connection with or without dns service running when using pppoe connection.
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0 Thomas_XG over 1 year ago in reply to Carlo

Please show us your DNS settings

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Sophos SG 210 with Sophos XG Home - 19.5 MR 2

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0 Bharat J over 1 year ago in reply to Thomas_XG

Hi Carlo

Please select DNS query configuration as Choose server based on incoming requests record type and click on Apply and share the Test name lookup output for utm.cloud.sophos.com,community.sophos.com, google.com

Thanks and Regards

"Sophos Partner: Networkkings Pvt Ltd".

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0 Thomas_XG over 1 year ago in reply to Bharat J

Hi Bharat,

the screenshot was from my sophos not Carlo's one

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Sophos SG 210 with Sophos XG Home - 19.5 MR 2

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0 Carlo over 1 year ago in reply to Bharat J

Thank you. We tried all possible combinations for DNS through GUI but nothing seems to work.

I need support from Sophos and ISP for this one.
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0 Carlo over 1 year ago in reply to LuCar Toni
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0 LuCar Toni over 1 year ago in reply to Carlo

In the end, it is easy to find out, who is responsible for this issue.

Simply do a BPF string in Packet Capture on Diagnostic - Webadmin with: port 53

Then filter for your PPPoE Interface.

If you see packets leaving the interface with the correct IP to the internet (DNS Server), the ISP is responsible for this issue.

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0 Carlo over 1 year ago in reply to LuCar Toni

Can you please share correct syntax
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