From: Greg Wendel (gwendel@gmail.com)
Date: Wed Jan 16 2008 - 12:15:11 ARST
Hello Olugbenga,
You can find this yourself quickly by doing debug ip rip. You can setup
dynamips so you don't have to worry about debugs on a production network.
Hope this helps,
On Jan 15, 2008 5:19 PM, Olugbenga Adanlawo <gbengaadan@hotmail.com> wrote:
> Dear GS,
>
> Please i need a clarification on the below ASAP.
>
> Does ip summary-address rip interface command suppress the specific routes
> or
> i need to suppress them manually?
>
> Regards
>
> --------------------------------------------------
> From: "Cielieska Nathan" <ncielieska@gmail.com>
> Sent: Monday, January 14, 2008 9:01 PM
> To: "Cisco certification" <ccielab@groupstudy.com>
> Subject: flash-update-threshold??
>
> > All,
> >
> > I have been working through the Command Reference for RIP today and
> > ran into this command. The way i'm reading it (disclaimer) is that
> > when a router running rip v2 unequivocally knows that an advertised
> > route is down... or has been added, it shoots a flash update across
> > to its neighbor notifying them as such thus allowing for faster
> > update time. Thats how i understand it to work.
> >
> > Now the flash-update-threshold has a second value that compares
> > itself with the incoming regular 30 second update. You can suppress
> > an outgoing flash update by configuring this command with a seconds
> > value that will match that 30 second timer.
> >
> > If the timer is greater than the threshold value: flash update is
> > sent. If the update packet is within the timer,flash update is
> > suppressed.
> >
> > For instance:
> >
> > On the receiving end of a route change or event
> >
> > router rip
> > flash-update-threshold 20
> >
> > When a flash-update came into the router on a particular interface,
> > the value in the show ip protocols would be referenced.. if its above
> > 20 the flash update is sent, if its under 20.. its suppressed.
> >
> > Is this correct? Cant find a ton of documentation on the command. I
> > labbed it up and if i remove/add a network command from R1 it shoots
> > the flash update to R2. R2 flash-update-threshold 30 configured which
> > would allow all flash updates to be suppressed. Yet in "debug ip rip"
> > i still see flash updates being sent out my other interfaces on R2.
> >
> > Any help would be great.
> >
> > Regards,
> > Nate
> >
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-- Gregory Wendel Springfield VA, 22153
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