Option 82 Decoding

When looking at DHCP leases, one sometimes may need to be able to

decode the option 82 (op82) string passed to the DHCP server.  In

the examples below, the op82 string is provided as the

'relay-agent-remote-id''.  The value provided, however, isn't

Solaris HWADDRs from OBP

Occasionally, it's useful to know the hwaddr or MAC addr of an interface
without actually booting a box, such as when you are setting up a
jumpstart config for said box.  On Sun Sparc based machines, this
information can be obtained within the OpenBoot (OB) environment.

Base Conversions

Every now and then, it may be necessary to do base conversions on numbers.
While some may be readily able to read 0x17 in hexadecimal as 23 in
decimal as 10111 in binary as 27 in octal, there are those who may not.
A simple example of how this information may be of use would be in