From: Yasser Aly (blackyeyes00@hotmail.com)
Date: Thu Feb 19 2004 - 10:15:08 GMT-3
Hi Colin,
When you use the tclsh script to verify reachability, the outgoing interface
IP will be used as the source of the packet. My question is: Is it possible
to write the script in such a way to simualte an extended ping, where you
can define the source IP ?? If yes, then kindly ellaborate.
Regards,
Yasser
>From: "Fowlie, Colin" <Colin.Fowlie@aliant.ca>
>
>Whenever I was building practice scenarios I keep a copy of all IP
>addresses/networks in use in a text file. From there you can build a tcl
>script that will ping all active IP addresses and also check for all
>routes.
>
>i.e.
>tclsh
>foreach IPS {
>1.1.1.1
>2.2.2.2
>3.3.3.3
>4.4.4.4
>} {ping $IPS}
>
>tclsh
>foreach IPS {
>1.1.1.1
>2.2.2.2
>3.3.3.3
>4.4.4.4
>} {show ip route $IPS}
>
>Then you can quickly see if anything that should be there or should be
>reachable is failing.
>
>
>I also like to run a "debug ip routing" when I'm not working on a device to
>ensure route stability. I usually check all routing tables incrementally
>to see that routes are being added/redistributed as I put them into the
>IGP... I'm sure there are lots of other shortcuts/tips you can use, but I
>find those are some of the ones that have worked for me.
>
>Colin Fowlie
>#12757
>
>-----Original Message-----
>From: Ahmed Mustafa [mailto:ahmed.mustafa@sbcglobal.net]
>Sent: Wednesday, February 18, 2004 11:44 PM
>To: ccielab@groupstudy.com
>Subject: Checking the Lab Work
>
>Guys,
>
>What is the easiest way to check the lab work. This is the most important
>task especially if one is taking a real lab.
>
>I mean what is the best way to find out that you are seeing all the routes
>in
>your routers that are you are supposed to be seeing, and pinging all the
>interfaces making sure that there is no loss of connectivity. I know that
>one
>can do this from each router to see what routes are seen and whether they
>are
>pingable
>Is there any work around?
>
>Thanks,
>
>Ahmed
>
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