speed reduced after sonicwall installation

manish · September 2022

Hi Everyone

I hope i will get the answer

So we have 1gbps dedicated static IP

we were having decent speed around 700mbps

After installation of sonic wall it drop down to 60/70 mbps

So my wan duplex =auto negation (changed from 1gbps to auto negotiation)

LAN==auto negation (changed from 1gbps to auto negotiation)

ISP router= full duplex

MTU size 1500 ISP, Sonic WAN LAN

How can i achieve maximum speed

Vivek · September 2022

Hello @manish , the recommendation is to verify the MTU value by referencing the following article:

https://www.sonicwall.com/support/knowledge-base/how-can-i-determine-the-mtu-size-of-wan-interfaces-manually/170504812146650/

In most cases, this should ideally fix the problem however, If that's still not working then have a look at the following list of articles.

https://www.sonicwall.com/support/knowledge-base/how-can-i-troubleshoot-low-throughput/210614033111237/

Larry · September 2022

@manish You would have to let us know what firewall model you have, what firmware level you are running, and what security services are subscribed and active on your firewall for any of us make the appropriate recommendations.

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speed reduced after sonicwall installation

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