From: rick@iptool.net
Date: Thu Feb 19 2004 - 11:31:02 GMT-3
Some versions of IOS require the keyword IP to be added in order for this
to work.
7200#ping ip 192.168.1.44 source 172.16.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.44, timeout is 2 seconds:
Packet sent with a source address of 172.16.1.1
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 316/460/648 ms
7200#
> 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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>
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> _______________________________________________________________________
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