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Slow upload - Fortinet Fortigate 60D

Slow upload - Fortinet Fortigate 60D

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Contributor Diluted
Contributor
Posts: 2
Registered: ‎10-01-2014
Message 1 of 4
(2,328 Views)

Hi everyone,

 

I recently had FiOS 75/75 + TV installed.  I really wanted to have my Fortinet router out front.  The issue I ran in to when moving it to front of the network was slow upload speeds on my wired devices only.  The setup was as follows:

 

ONT > Fortinet > Cisco 3560g > Cisco 1142n AP > Actiontec

 

The guide and On Demand both worked perfectly.

 

I did a lot of testing yesterday with it and definitely singled out the Fortinet as the problem when it's on the edge, however, if I move the Fortinet behind the Verizon router everything is good.  I've set the Fortinet WAN1 port to 100Mb Full and that just butchers the download speed (~10Mb) and the upload speed never goes higher than 30Mb.  The current setup is as follows:

 

ONT > Actiontec > Fortinet > Cisco 3560g > Cisco 1142n AP

 

So everything is still taking essentially the same path through the network.  Even plugging directly in to the Fortinet yielded bad upload speeds.  I'm wondering if there's a negotiation issue between the Fortinet and the ONT.  Download speed is unaffected in either setup.

 

I've reset the Fortinet to factory defaults, powered everything off and back on.  Firmware/drivers have been updated.  Tried different cables/ports.

 

I did several chat sessions with Fortinet yesterday and they were unable to come up with anything that would be causing the issue.  I have all the UTM stuff turned off there's no other rules in place at this point, just a fresh config.

 

Any insight would be great.

 

Thanks!

3 REPLIES 3
Platinum Contributor III Platinum Contributor III
Platinum Contributor III
Posts: 7,391
Registered: ‎12-15-2010
Message 2 of 4
(2,289 Views)

To rule out a negotiation issue between the Fortigate and the ONT, do you have Console or WebUI Access to the appliance? The Fortigate appliance should have a command that will allow you to view your WAN interface statistics, including the link speed, protocol, protocol errors, duplex, and other important statistics. If you're able to post these after running some upload tests, that would be useful.

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Contributor Diluted
Contributor
Posts: 2
Registered: ‎10-01-2014
Message 3 of 4
(2,280 Views)
There is a CLI as well as GUI. I'll get that info and report back. Thanks!
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Platinum Contributor III Platinum Contributor III
Platinum Contributor III
Posts: 7,391
Registered: ‎12-15-2010
Message 4 of 4
(2,278 Views)

Not a problem. Staying tuned.

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