Re: CCIE Lab TIP: Parser Cache

I'm in class let me check this out and see how it works off line and more
specifically.

Narbik keeps me up till 1am-2am every morning.... so far.

Darby

http://www.darbyslog.blogspot.com

On Tue, Apr 26, 2011 at 1:58 PM, Ahmed <ahmedsalim_at_gmail.com> wrote:

> So basically this is/is this how it works ;
>
> I have the below configs on my router
>
> interface Loopback0
> ip address 1.1.1.1 255.255.255.0
> !
> interface Loopback1
> ip address 2.0.0.4 255.255.255.255
>
>
> i do sh run normally, it would gather information from all interfaces and
> then display it. NOW i use the "parser config cache interface" command
> and do show run again, it again takes a "longer time" but this time caches
> the information . I do a sh run for a second time, the display information
> from cache, is faster. Upto here its cool.
>
> Cisco Doc says "
> Each time the interface configuration of an interface changes, the
> interface cache of the specified interface is flushed. The other interface
> data remains cached as before. Entering an NVGEN-type command after
> modifying the interface configuration will once again not show much evidence
> of improvement until the next NVGEN-type command is entered."
>
> so if i change ANYTHING on the configs, for example now my configs are as
> below
>
>
>
> interface Loopback0 ====== SAME
> ip address 1.1.1.1 255.255.255.0
> !
> interface Loopback1 ======= CHANGED
> ip address 100.100.100.100 255.255.255.255
>
>
> *I do the show run again will it take the same amount of time as the
> initial show run as the cache is flushed when configs are changed ?* If I
> have a 200 interfaces, i change the config on just one of em. Will it flush
> the whole configs ( NOT, according to the cisco doc above" so why does it
> say " Entering an NVGEN-type command after modifying the interface
> configuration will once again not show much evidence of improvement until
> the next NVGEN-type command is entered."" ???
>
>
> Regards
> Ahmed
>
> On Tue, Apr 26, 2011 at 6:44 PM, Darby Weaver <darby.weaver_at_gmail.com>wrote:
>
>> I forgot to mention - everyone knows... I'm the slowest wheel on the
>> road...
>>
>> http://www.darbyslogs.blogspot.com
>>
>> On Tue, Apr 26, 2011 at 10:36 AM, Darby Weaver <darby.weaver_at_gmail.com
>> >wrote:
>>
>> > I was an earned my MCSE and complete in December of 1999...
>> >
>> > I was starting to think of Cisco and reading books that looked like
>> > Egyption characters to me... Truly Greek.
>> >
>> > If it matters... I deploy multi-million dollar Cisco Solutions with a
>> > process and sense of pride.
>> >
>> > :)
>> >
>> > I'll sit the lab when I'm ready for it.
>> >
>> > Going to the lab with scores in the 50's won't magically make anyone a
>> CCIE
>> > nor will it make you lucky...
>> >
>> > Been there and done that.
>> >
>> >
>> >
>> >
>> >
>> > On Tue, Apr 26, 2011 at 10:30 AM, Robert Hosford <
>> > rhosford_at_certifiednets.com> wrote:
>> >
>> >> Dude,
>> >>
>> >> When are you going to sit the mext exam?
>> >>
>> >> Didn't you join GS back in '99?
>> >>
>> >> Robert
>> >> ________________________________________
>> >> From: nobody_at_groupstudy.com [nobody_at_groupstudy.com] on behalf of Darby
>> >> Weaver [darby.weaver_at_gmail.com]
>> >> Sent: Tuesday, April 26, 2011 10:09 AM
>> >> To: ccie forum
>> >> Subject: CCIE Lab TIP: Parser Cache
>> >>
>> >> parser cache config
>> >>
>> >> Performance Enhancement Configuration
>> >>
>> >>
>> >>
>> http://www.cisco.com/en/US/docs/ios/12_3t/12_3t7/feature/guide/gtinvgen.html
>> >>
>> >> --
>> >> Darby Weaver
>> >> Network Engineer
>> >>
>> >>
>> >> darbyweaver_at_yahoo.com
>> >>
>> >>
>> >> Blogs and organic groups at http://www.ccie.net
>> >>
>> >> _______________________________________________________________________
>> >> Subscription information may be found at:
>> >> http://www.groupstudy.com/list/CCIELab.html
>> >>
>> >
>> >
>> >
>> > --
>> > Darby Weaver
>> > Network Engineer
>> >
>> >
>> > darbyweaver_at_yahoo.com
>> >
>>
>>
>>
>> --
>> Darby Weaver
>> Network Engineer
>>
>>
>> darbyweaver_at_yahoo.com
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>

-- 
Darby Weaver
Network Engineer
darbyweaver_at_yahoo.com
Blogs and organic groups at http://www.ccie.net