Re: Cisco 3845 question

That is with no qos. With qos on 45 megs max with 256 byte avg packet size.

________________________________
From: "Grammer, Christopher" <cgrammer_at_essilorusa.com>
To: ccielab_at_groupstudy.com
Sent: Fri, August 13, 2010 7:28:23 PM
Subject: Re: Cisco 3845 question

Here is the doc I was referring to:
http://www.cisco.com/en/US/prod/collateral/modules/ps2797/ps4909/product_data_sheet09186a008010fba2.html

It states that the 3845 can support 2 DS3s at full line rate with concurrent
services.

Chris

On Fri, Aug 13, 2010 at 6:52 PM, Kambiz Agahian <aussiecert_at_gmail.com>wrote:

> Jeff,
>
> This configuration if you don't have any "dodgy" stuff like process
> switching operations or buggy functions should not hit 90%. Go over your
> config and list of your processes and if no suspicious thing is seen open a
> case with TAC. Bear in mind, high CPU utilization is "one" of the major
> symptoms of potential bugs. There are some nice articles on cisco.com on
> this.
>
> In regards to the upgrade plan, since at this stage we have no idea about
> the nature of the traffic and possible unforeseen issues, I'd consider a
> maintenance window and a neat proof of concept pod (if you don't have to
> don't include all your sites if you have hub/spoke); make sure you have a
> well defined roll back plan and if we're talking about a mission critical
> network you might wish to get TAC involved.
>
> Anyway, I'd use all the services that I pay for :) just to make 100% the
> best service is delivered to my customers.
>
> Kambiz Agahian
>
> CCIE Instructor/Consultant
> M.Eng Telecom, CCIE# 25341, CCSI# 33326, MCSE, MCSA
>
>
>
> On Fri, Aug 13, 2010 at 3:12 PM, Biggs, Jeff (M/CIO/BIE)
> <JBiggs_at_usaid.gov>wrote:
>
> > Anyone seeing any issues with a 3845 chassis running two DS-3 modules?
> >
> > We have one of the DS-3's occasionally hit 40mb and causes the CPU on the
> > router to hit 90% plus.
> >
> > Running 12.4(23) AdvEnterprise with 768Mb of memory.
> >
> > Cisco 3845 (revision 1.0) with 745472K/40960K bytes of memory.
> > 4 FastEthernet interfaces
> > 2 Gigabit Ethernet interfaces
> > 2 Serial interfaces
> > 1 Virtual Private Network (VPN) Module
> > 2 Subrate T3/E3 ports
> > DRAM configuration is 64 bits wide with parity enabled.
> > 479K bytes of NVRAM.
> > 255488K bytes of ATA System CompactFlash (Read/Write)
> >
> > Running NETFLOW (v5) and some LLQ, but that should not drive this box
> into
> > meltdown.
> > Any thoughts?
> >
> > Jeffrey Biggs
> > CCIE #21127 (R&S)
> >
> >
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Received on Fri Aug 13 2010 - 20:35:05 ART