Palo Alto Bandwidth Throttling

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L4 Transporter

QOS on the palo alto device is applied only on the egress interfaces, however you can apply Qos profiles for traffic ingressing from a specific source subnet.

So for example if you want to rate limit upload traffic from your guest/office network:

Guest/office---ingress--->PAN---egress--->Untrust

Here QOS is enabled on the Untrust (egress)interface, but you can configure multiple QOS profiles for traffic egressing Untrust, based on the source  interface/subnet as well.

Snip20131007_1.png

I'm guessing this may answer your original question partially unless you want to rate limit traffic ingressing Untrust interface like downloads, hope it helps.

Aditi

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L6 Presenter

so can we use this for download by selecting WAN interface on clear tab section ?

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L4 Transporter

Yes, you will enable QOS on the egress interface i.e. LAN and can select the WAN interface as the source interface for download traffic from the internet. Source subnet will be any.

Thanks,

Aditi

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L6 Presenter

I tried that with choosing Wan on subnet but physical interface was Layer2 and it did not work.is that normal ?

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L2 Linker

Thanks for all the input everyone!

Does anyone know of documentation besides the one posted above that can better explain QoS profiles? I keep trying to test QoS in the labs and whenever I set up my profile and QoS settings, it gives me an error that states "the regular traffic guaranteed bandwidth is less than the sum of the total guaranteed bandwidth of its children." I tried modifying my bandwidth settings, but I'm not sure what to change. I know that the max/guaranteed bandwidth for each class has to be less than or equal to the max/guaranteed of the profile, but is there any other rules that I should know about?

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