[TriLUG] a perl/expect/IOS question

Robert Dale robdale at gmail.com
Thu Feb 23 15:56:08 EST 2012


Maybe it's a newline Vs. carriage return issue.. ie. \n Vs. \r\n


On Thu, Feb 23, 2012 at 3:49 PM, Greg Brown <gwbrown1 at gmail.com> wrote:
> Thanks for the ideas, Weave.  I tried both ways and got the same result I'm
> afraid:
>
> in subscript: output of sending new config: r2821(config)# tacacs-server
> key 7 0115140B551F02002E5E
> in subscript: output of sending new config: %Invalid encrypted key:
> 0115140B551F02002E5E
>
> However, if you copy and paste it (just to prove to myself that I'm not
> insane) it works:
>
>
> r2821(config)#tacacs-server key 7 0115140B551F02002E5E
> r2821(config)#
>
> Oy.
>
> Greg
>
>
> On Thu, Feb 23, 2012 at 3:12 PM, Brian Weaver <cmdrclueless at gmail.com>wrote:
>
>> Have you tried
>>
>> $configLine = "tacacs-server key 7 " . $tacacsKey;
>>
>> or
>>
>> $configLine = "tacacs-server key 7 $tacacsKey";
>>
>> -- Brian
>>
>> On Thu, Feb 23, 2012 at 2:47 PM, Greg Brown <gwbrown1 at gmail.com> wrote:
>> > I have an encrypted tacacs key that I extract out of a router and I place
>> > that key onto the line "tacacs-server key 7 $tacacsKey" using join.  The
>> > actual line is my $configLine=join(' ',"tacacs-server key 7",$tacacsKey);
>> >
>> >  I can copy and past that line manually into the cisco router and the
>> > router accepts the key.  If my script tries to do the same I get an
>> invalid
>> > key error.
>> >
>> > I think I might have a control character stuck in there but I'm starting
>> to
>> > doubt it.  I can 'od -c' the string and it looks ok but the key will fail
>> > within the script ever time throwing back "%Invalid encrypted key" every
>> > time.
>> >
>> > So, in summary, cut and past the line by hand with the encrypted key and
>> > the router accepts it.  Try the same using Net::SSH::Expect and it fails.
>> >
>> > Ideas?  I don't have any at this point.
>> >
>> > Greg
>> > --
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>> >
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>>
>> --
>>
>> /* insert witty comment here */
>> --
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> --
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-- 
Robert Dale



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