Few site are not loading

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factbook999

Newbie
Posts: 7
Karma: 0

Few site are not loading

« on: October 20, 2020, 05:02:57 pm »

Many sites are not loading in one go..
few of the sites like github , opnsense forum , reddit ..
I don't understand why..?
My primary DNS is 8.8.8.8

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mimugmail

Hero Member
Posts: 6764
Karma: 494

Re: Few site are not loading

« Reply #1 on: October 20, 2020, 05:03:52 pm »

Interfaces : LAN : MSS ... set to 1300 for testing

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WWW: www.routerperformance.net
Support plans: https://www.max-it.de/en/it-services/opnsense/
Commercial Plugins (German): https://opnsense.max-it.de/

factbook999

Newbie
Posts: 7
Karma: 0

Re: Few site are not loading

« Reply #2 on: October 20, 2020, 05:07:57 pm »

It's working fine now.. should I always set it to 1300?
Am very new to this..thanks

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chemlud

Hero Member
Posts: 2481
Karma: 112

Re: Few site are not loading

« Reply #3 on: October 20, 2020, 05:23:26 pm »

...some random findings on this

https://www.wikihow.com/Find-Proper-MTU-Size-for-Network

https://hide.me/en/knowledgebase/how-to-find-correct-mtu-values/

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kind regards
chemlud
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mimugmail

Hero Member
Posts: 6764
Karma: 494

Re: Few site are not loading

« Reply #4 on: October 20, 2020, 05:46:24 pm »

It's ok to set this value. Somewhere pmtu is blocked but hard to debug remote

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WWW: www.routerperformance.net
Support plans: https://www.max-it.de/en/it-services/opnsense/
Commercial Plugins (German): https://opnsense.max-it.de/

factbook999

Newbie
Posts: 7
Karma: 0

Re: Few site are not loading

« Reply #5 on: October 20, 2020, 06:44:41 pm »

Thanks for the help

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