From: Muhabat Khan (muhabat@gmail.com)
Date: Mon Jan 05 2009 - 15:43:13 ARST
this make sense all IOS did not perform well with Dynamips...
On Mon, Jan 5, 2009 at 8:41 PM, Tharaka Kariyawasam <tharakak@dini.net> wrote:
> Hi,
>
> I have GNS3 running on Ubuntu with quad core PC.
>
> When I have all my routers as 3725 I couldn't get my "idle pc" right so
> always one core was 100% and others were fine. With this set up "show runn"
> took very noticeable time for an output.
>
> I changed all my routers to 3640 and "idle pc" worked out great and "show
> runn" was faster than before.
>
> I don't know if this make any sense, however you can try changing your "idle
> pc" or router model to see if there's any difference.
>
> Thanks,
> TK.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Scott Vermillion
> Sent: Monday, January 05, 2009 11:53 AM
> To: 'Muhabat Khan'
> Cc: 'Bogdan Sass'; 'Radioactive Frog'; 'CCIE Lab'
> Subject: RE: Dynamips: show run - output time customization
>
> Ah, well then I guess the only potential solution left is bigger, better
> hardware...
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Muhabat Khan
> Sent: Monday, January 05, 2009 9:36 AM
> To: Scott Vermillion
> Cc: Bogdan Sass; Radioactive Frog; CCIE Lab
> Subject: Re: Dynamips: show run - output time customization
>
> if you are running few instances of routers then it dont produce any
> difference :(
>
> On Mon, Jan 5, 2009 at 7:25 PM, Scott Vermillion
> <scott_ccie_list@it-ag.com> wrote:
>>>it reads conf from router memory
>>
>> By this do you mean that you've issued the 'parser config cache int'
>> command? It definitely speeds things up on physical routers (note: an
>> initial 'sh run' is required to cache the running-config to start with, so
>> the display is sped up on the second and all subsequent 'sh run'
> commands).
>> I just tried it in Dynamips and it did seem that I noticed a difference.
>> Mind you, though, I just had a default config and thus I think I shaved a
>> two-second delay to a one-second delay - could have just been wishful
>> thinking on my part...
>>
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Bogdan Sass
>> Sent: Monday, January 05, 2009 7:49 AM
>> To: Radioactive Frog
>> Cc: CCIE Lab
>> Subject: Re: Dynamips: show run - output time customization
>>
>> Radioactive Frog wrote:
>>> I am testing dynamips on ubuntu hardy.
>>>
>>> I allocated 256 MB RAM to R1 instant but when I do show 'show run'
>> the
>>> output on the screen taking about 4-6 seconds (after typing command and
>>> press enter).
>>> Is there any way to reduce this time? it reads conf from router memory.
>>>
>> From what I recall, a real router does the same thing (it has a
>> noticeable delay when doing "show run"). So I doubt you will be able to
>> "solve" the problem... :)
>>
>>> on the other when I do 'show conf' or 'show startup-confg it gives me
> the
>>> output instant.
>>>
>>> -frog
>>>
>>>
>>
>>
>> --
>> Bogdan Sass
>> CCAI,CCSP,JNCIA-ER,CCIE #22221 (RS)
>> Information Systems Security Professional
>> "Curiosity was framed - ignorance killed the cat"
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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