If a tower router is only doing OSPF routing and no connection tracking is a 3011 faster for that 1 task than a CCR since it has 1.4Ghz CPU vs the CCR with a 1Ghz CPU?
On Tue, Jul 24, 2018 at 11:22 AM, Kurt Fankhauser <[email protected]> wrote: > If a tower router is only doing OSPF routing and no connection tracking is > a 3011 faster for that 1 task than a CCR since it has 1.4Ghz CPU vs the CCR > with a 1Ghz CPU? > > On Fri, Apr 6, 2018 at 11:42 AM, Adam Moffett <[email protected]> wrote: > >> My rule of thumb is >50% = upgrade. >> I wouldn't argue with 25% either. >> >> We see a % CPU usage which updates every second. I don't know if it's a >> 1 second average, or a rolling 5 second average, or whatever. Either way >> there could be milliseconds within that average where all CPU time is >> occupied and it wouldn't show in the display. If we're trying to carry >> traffic which is sensitive to milliseconds of delay (VoIP) then my feeling >> is ought to be safer to keep the CPU usage low. >> >> I have no data to back this up. It's basically just the philosophy that >> I'd rather have it and not need it than need it not have it. >> >> >> >> ------ Original Message ------ >> From: "Mathew Howard" <[email protected]> >> To: "af" <[email protected]> >> Sent: 4/5/2018 9:10:41 PM >> Subject: Re: [AFMUG] CPU - when to upgrade >> >> I start getting paranoid if I see more than about 25% CPU load on a >> Mikrotik... whether or not that's actually having any impact on >> performance, I don't know, but I suspect at 70% it is - I would certainly >> upgrade it to something faster at that point. What model of Mikrotik is it? >> >> On Thu, Apr 5, 2018, 7:24 PM Rhys Cuff (Latrobe I.T) < >> [email protected]> wrote: >> >>> Hi Guys >>> >>> >>> >>> When you have a router and cpu is hitting about 60 – 70% with traffic >>> load would that impact speeds? >>> >>> I’ve got a few links that don’t seem to go as hard as they should, but I >>> can’t find the reason. >>> >>> The routers are MikroTik and the radios (also highish cpu) are ubnt with >>> plenty of airtime free) >>> >>> Hmmm, That’s another question, at what Airtime % will you start to see >>> impacted performance? >>> >>> >>> >>> >>> >>> Thanks >>> >>> >>> >>> Rhys >>> >>> >>> >> >
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