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ponline
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CCR1036 capacity

Sat Feb 13, 2021 5:26 pm

I have a CCR 1036 with 8Gb ram.
Specs say it is capable of 28Gbps traffic, but that is probably the best case scenario without pppoe termination of users, and without routing (and NAT-ing) complications.
My router is loaded with about 1600 pppoe users and traffic of about 2-2.5Gbit/s. The CPU is on 18-24%.
If anyone has real experience I was wondering what should I expect to be maximum capacity before I consider upgrading?


Thanks in advance
Urim
 
mada3k
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Re: CCR1036 capacity

Sat Feb 13, 2021 8:57 pm

Specs says ~15Gbps with just plain IPv4 routing. NAT, connection tracking and PPPoE adds a lot of overhead to that.
 
ponline
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Re: CCR1036 capacity

Sat Feb 13, 2021 11:53 pm

Yes , there are some sample testing result on the routerboard page, but they are all with simple routing and few queues.
Anyway i'm not ever going to need that speed, just wanna be cautious how much can I push it before I would see strange network problems.
Even though the CPU is under 25% right now, I'm having complains from some users that I can't seem to find where is the problem, and getting out of ideas where to look at.
 
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mkx
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Re: CCR1036 capacity

Sun Feb 14, 2021 12:10 pm

Run CPU profiler to see if some CPU cores are maxed out. 25% average CPU load could as well be 9 CPU cores at 100% while others are idle.
 
ponline
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Re: CCR1036 capacity

Sun Mar 07, 2021 7:15 pm

Run CPU profiler to see if some CPU cores are maxed out. 25% average CPU load could as well be 9 CPU cores at 100% while others are idle.
Thanks, I did that and I saw DNS was maxing some cpu's to 90%, so I removed DNS requests, its unnecessary if it hogs cpu's.
Second service that shows a lot of CPU usage is 'Management'. Can anyone tell me what services are marked under Management category?


thank you
Urim.
 
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mkx
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Re: CCR1036 capacity

Sun Mar 07, 2021 8:31 pm

Winbox is part of management ... and can bog down a CPU if there are open windows displaying long list of elements (e.g. list of tracked connections or some such). Probably webfig falls into this category, SNMP might as well ...
 
ponline
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Re: CCR1036 capacity

Mon Mar 08, 2021 11:54 am

Winbox is part of management ... and can bog down a CPU if there are open windows displaying long list of elements (e.g. list of tracked connections or some such). Probably webfig falls into this category, SNMP might as well ...
That is true, Winbox displaying a long list of pppoe interfaces was showing 'management' cpu usage, as soon as I close interfaces windows, usage minimizes. I couldn't test SNMP because I don't use it but I red on other topics that snmp hogs management cpu usage as well.

Thanks you for the input.

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