From: Venkataramanaiah.R (vramanaiah@gmail.com)
Date: Wed May 02 2007 - 07:15:00 ART
Hello Karl, Thanks for sharing your views...
I really like the idea of reducing that second timer to 100 ms as you did
over there.., but i am worried about the stability of the network in the
event of flaps..
How long you had been operating this network with these values.. Did you
face any issues in terms of stability..?
fyi.. we have BFD for fast dead peer detection; so we dont need the "ip ospf
dead-interval minimal hello-multiplier 4" part ..
Regards
-Venkat
On 5/2/07, Karl Brenner <karl.brenner@morenet.biz> wrote:
>
> Hi,
>
> this is how I've configured fast convergence:
>
> router ospf 1
> auto-cost reference-bandwidth 10000 (depending on your biggest link)
> timers throttle spf 10 100 5000
> timers throttle lsa all 10 100 5000
>
> interface TenGigabitEthernet9/1
> ip ospf dead-interval minimal hello-multiplier 4
> carrier-delay msec 0
>
> This configuration will bring the convergence time to sub 200ms. You'll
> need to make these changes to all OSPF interfaces. Make sure that your
> IOS supports the feature. Use the feature navigator to find out. Do a
> search on Cisco.com for "OSPF Support for fast hellos" or "OSPF fast
> convergence". The commands will be described in the documents you'll find.
>
> Karl
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