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pandreozzi
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Hardware Offload or Not Hardware Offload

Mon Mar 20, 2023 6:41 pm

I am working with a CRS 326 version 6.48.6 long term.

On this device I have some critical traffic (EF and AF) that needs to be prioritized on the egress ports.

Hardware offload is turned on for all the ports.

Should I disable hardware offload and use the QOS via connection mark/packet mark and Q-Tree.

I am not looking for line speed I am looking to prioritize DSCP 46,30 and 26 which I have a script for and have added to the routers.

My only concern is that this is a single CPU appliance and sending everything to the CPU may effect performance.

Thanks for your input.

Paul
 
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Re: Hardware Offload or Not Hardware Offload

Mon Mar 20, 2023 7:22 pm

If you use the device for mark the connections, you drop the total bandwidth because is a switch, not a router,
all traffic pass inside CPU instead pass only to switch chip...

Only 1.3Gbps max


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