non operational question related to IP

Matlock, Kenneth L MatlockK at exempla.org
Mon Nov 22 13:56:00 CST 2010


'Octal' (Base-8) :)

The leading '0' is telling the box to interpret it as octal instead of
decimal or hex.

Ken Matlock
Network Analyst
Exempla Healthcare
(303) 467-4671
matlockk at exempla.org


-----Original Message-----
From: Greg Whynott [mailto:Greg.Whynott at oicr.on.ca] 
Sent: Monday, November 22, 2010 12:53 PM
To: nanog list
Subject: non operational question related to IP 


i was pinging a host from a windows machine and made a typo which seemed
harmless.  the end result was it interpreted my input differently than
what I had intended.   thinking this was a m$ issue I quickly took the
opportunity to poke fun at windows as the senior m$ admin was near by.

"look at how brain dead this os is,  it can't even do simple math!"

He is now looking at my screen scratching his head.....

"watch,  i'll open a shell on os x and show you how it can add 0 +10"

I open a shell on os x,  same behavior as windows.

" ok so apple is brain dead too,  watch,  it'll work on linux!"

same deal...


long story short,  it does work as expected on all our hardware routing
gear.    still not sure what is happening here...


osx-gwhynott:~ gwhynott$ ping 10.010.10.1
PING 10.010.10.1 (10.8.10.1): 56 data bytes


gwhynott at ops:~$ ping 10.010.10.1
PING 10.010.10.1 (10.8.10.1) 56(84) bytes of data.


CORE1>ping 10.010.10.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.10.1, timeout is 2 seconds:
!!!!!


anyone happen to know how the OS's are interpreting the 010?   doesn't
appear work out in base[2-10] (1010,101,22,20,14,13,12,11,10,A)


thanks!

greg





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