From: Yasser Aly (blackyeyes00@hotmail.com)
Date: Thu Feb 19 2004 - 11:26:53 GMT-3
Ato,
Thanx for your shot.
Let's hope this cuty IOS to be the one in the lab :)
Otherwise, the script will need to be edited everytime to change the source
IP address
Regards,
Yasser
>From: "SANCHEZ-MONGE,ANTONIO (HP-France,ex2)"
><antonio.sanchez-monge@hp.com>
>
>Marko,
>
>12.2(15)T8 is OK
>
>N2_2621#ping 192.168.22.3 source 192.168.22.2
>
>Type escape sequence to abort.
>Sending 5, 100-byte ICMP Echos to 192.168.22.3, timeout is 2 seconds:
>Packet sent with a source address of 192.168.22.2
>!!!!!
>Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
>
>Cheers,
>Ato.
>
>-----Original Message-----
>From: Marko Berend [mailto:marko.berend@storm.hr]
>Sent: jueves, 19 de febrero de 2004 14:33
>To: SANCHEZ-MONGE,ANTONIO (HP-France,ex2); ccielab@groupstudy.com
>Subject: RE: Checking the Lab Work
>
>
>Ato,
>
>What IOS are you using? I've never heard of "ping x source y" command,
>neither have my routers :)
>
>R2#tclsh
>R2#
>R2#foreach i {
>+>#3.3.3.3
>+>#4.4.4.4
>+>#5.5.5.5
>+>#6.6.6.6
>+>#7.7.7.7
>+>#} { foreach j {
>+>#1.1.1.1
>+>#2.2.2.2
>+>#} { ping $i source $j repeat 3 }}
> ^
>% Invalid input detected at '^' marker.
>
>R2#
>
>-----Original Message-----
>From: SANCHEZ-MONGE,ANTONIO (HP-France,ex2)
>[mailto:antonio.sanchez-monge@hp.com]
>Sent: 19. veljaha 2004 14:21
>To: 'Yasser Aly'; Colin.Fowlie@aliant.ca; ahmed.mustafa@sbcglobal.net;
>ccielab@groupstudy.com
>Subject: RE: Checking the Lab Work
>
>
>Here you go:
>
>List of source IPs:
>
>1.1.1.1
>2.2.2.2
>
>List of destination Ips:
>
>3.3.3.3
>4.4.4.4
>5.5.5.5
>6.6.6.6
>7.7.7.7
>
>
>tclsh
>
>foreach i {
>3.3.3.3
>4.4.4.4
>5.5.5.5
>6.6.6.6
>7.7.7.7
>} { foreach j {
>1.1.1.1
>2.2.2.2
>} { ping $i source $j repeat 3 }}
>
>tclquit
>
>Cheers,
>Ato.
>
>-----Original Message-----
>From: Yasser Aly [mailto:blackyeyes00@hotmail.com]
>Sent: jueves, 19 de febrero de 2004 14:15
>To: Colin.Fowlie@aliant.ca; ahmed.mustafa@sbcglobal.net;
>ccielab@groupstudy.com
>Subject: RE: Checking the Lab Work
>
>
>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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