[wplug] Interesting question du jour

[Vanco, Donald]

Eric C. Cooper wrote:
> On Mon, Apr 21, 2003 at 02:52:53PM -0400, Vanco, Donald wrote:
>> 	I have a column delimited set of hostname -vs- MAC addresses.
>> Each of the servers has 2 interfaces - the MAC address listed is for
>> the first interface.  I need to make an entry for the second
>> interface, which, as luck would have it, is the SAME as the primary
>> interface save the last pair, which increments by one.
> 
> #!/usr/bin/perl
> while (<>) {
>     /(.*)\s+(.*):(.*)/;
>     printf "%s  %s:%s  %s:%02X\n", $1, $2, $3, $2, ("0x" . $3) + 1; }
> 
> (Note that this won't be correct if the last byte of a MAC address is
> ever 0xFF.) 

	This seems to change the last byte of every MAC to 01

rcas2123  00:09:6B:63:0A:22  00:09:6B:63:0A:01
rcas2124  00:09:6B:49:09:86  00:09:6B:49:09:01
rcas2125  00:09:6B:63:0A:DD  00:09:6B:63:0A:01
rcas2126  00:09:6B:49:08:EA  00:09:6B:49:08:01
rcas2127  00:09:6B:49:09:20  00:09:6B:49:09:01
rcas2128  00:09:6B:63:0A:89  00:09:6B:63:0A:01
rcas2129  00:09:6B:49:06:5C  00:09:6B:49:06:01


Don