On Nov 22, 2010, at 2:52 52PM, Greg Whynott wrote: > > 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 > > > gwhyn...@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) >
010 is how C represents an octal number. This one is known in decimal as 8. $ bc bc 1.06 Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc. This is free software with ABSOLUTELY NO WARRANTY. For details type `warranty'. ibase=8 10 8 --Steve Bellovin, http://www.cs.columbia.edu/~smb