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New Member

A little question

Hi all,

How can I check the time of convergence when I change the RIP and OSPF timers?

I have to compare the two convergence times.

Thanks

8 REPLIES
Hall of Fame Super Bronze

Re: A little question

Simplest way to test this.

1) Place a device on each side of the network.

2) Get a stop watch.

3) Down the interfaces.

4) Bring the interfaces up, start the watch and initiate a ping

5) Once you see a reply from the remote host, stop the watch, that's your convergence time.

New Member

Re: A little question

Thanks Edison Ortiz,

It's a nice suggestion but I need to show data from program. Are there any programs which I can use?

Thanks again.

Hall of Fame Super Bronze

Re: A little question

There are several applications out there

http://www.nagios.org/

http://www.whatsupgold.com/

among others...

Re: A little question

Save youself the cost of the stopwatch! Synchronise all your routers using NTP (which is a good exercise anyway), and put debug ip routing on all of them. Then change something on one, and watch how long it takes for the routes to turn up in the others. That way you can time it to the mearest millisecond, and you get to see what order things happened in.

Kevin Dorrell

Luxembourg

Hall of Fame Super Bronze

Re: A little question

Cost ? Perhaps in Luxembourg :)

Tons of software stopwatches in the 'net Kevin !

http://www.freedownloadscenter.com/Search/stopwatch.html

No need to crash my post to make a point with yours :) Your option is also valid, doesn't make mine invalid.

Re: A little question

Sorry Edison, I didn't mean to crash your posting, which was equally valid of course. My comment came across wrong. I just wanted to point out (in a frivolous way perhaps) that if you are interesting in timings then the timestamp on the debug messages are useful, accurate and (nominally) synchronised.

Kevin Dorrell

Luxembourg

Hall of Fame Super Bronze

Re: A little question

Kevin,

It's quite all right :)

New Member

Re: A little question

Hi Kevin,

I'll try your suggestion.

Thanks a lot.

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