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atrisflex
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CCR2216-1G-12XS-2XQ NAT stats

Mon Oct 24, 2022 4:30 pm

The CCR2216-1G-12XS-2XQ is their new flagship router. I see it has 16Gb of ram but what's does its NAT performance look like? How fast can it stand up connections/sessions/translations and how many can it hold?

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atrisflex
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Re: CCR2216-1G-12XS-2XQ NAT stats

Tue Oct 25, 2022 12:01 am

I guess my question is could this be used as a ISP core router running CGNAT?
 
roysbike
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Re: CCR2216-1G-12XS-2XQ NAT stats

Tue Jan 03, 2023 12:33 pm

join the questions. I want to use model for nat ISP core. Nat 17-20 Gbit/s. Is the processor performance enough?

NAT
ip_conntrack_count - 500k
Traffic . IN 12Gbits, Out 3 gbit/s

PPS: TX bond0.811: 606639 pkts/s RX bond0.811: 996977 pkts/s
 
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chechito
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Re: CCR2216-1G-12XS-2XQ NAT stats

Wed Jan 04, 2023 1:56 am

I guess my question is could this be used as a ISP core router running CGNAT?
i think its a bad idea, why?:

because CG-NAT will be done by Software using CPU on Fast_track mode with many connections tracked beyond what 2216 can do with hardware offload

i think 2216 is suited for a specific role as core or border router running with hardware offload at full wire-speed

for CPU related tasks 2116 is a better choice because it has the same CPU as 2216 and cost a fraction,

i think the 4x 10g interfaces included on 2116 are more than enough to saturate it in CG-NAT role i think maybe 20 to 30gbps will be the ceiling in that role for 2116 / 2216

there is an exception: if you are aware of this and want to opt for 2216 to reduce your space and power usage getting the CPU muscle and 100g/25g switch in a single machine, that can be a good use case

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