Re: valid ip address for printer

I'm surprised that you can assign address .255. I was never able to
but never thought about why. I just googled "ping .255" and got some
very interesting information that I did not know. Apparently .255 is
a "broadcast" address that is similar to saying "Is anybody out
there?" You apparently are getting a response from "everyone" on the
subnet.

Very interesting reading if you do the same google search.

Thanks for teaching me something today. :)

John

On Jul 19, 2014, at 11:03, Jim Franz <franz9000@xxxxxxxxx> wrote:

We have a network printer (ipds) assigned address 192.168.127.255 (by our
network staff)
When I ping it from system I get unusual response message. It appears to
ping all the 192.168.127.x addresses.
Pardon my ignorance, is ".255" reservered or special?
btw, subnet on ethernet line is 255.255.255.0
Also, we recently moved operation, and new network not "settled".
Selection or command
===> ping '192.168.127.255'

PING reply 1 from 192.168.127.4 took 0 ms. 256 bytes. TTL 225.
PING reply 1 from 192.168.127.4 took 0 ms. 256 bytes. TTL 225. (Duplicate)
PING reply 1 from 192.168.127.2 took 0 ms. 256 bytes. TTL 255. (Duplicate)
PING reply 1 from 192.168.127.209 took 0 ms. 256 bytes. TTL 255.
Duplicate)
PING reply 1 from 192.168.127.247 took 0 ms. 256 bytes. TTL 255.
(Duplicate)
PING reply 1 from 192.168.127.215 took 0 ms. 256 bytes. TTL 254.
(Duplicate)
PING reply 1 from 192.168.127.37 took 0 ms. 256 bytes. TTL 255.
(Duplicate)
PING reply 1 from 192.168.127.218 took 1 ms. 256 bytes. TTL 255.
(Duplicate)
PING reply 1 from 192.168.127.25 took 1 ms. 256 bytes. TTL 255.
(Duplicate)
PING reply 1 from 192.168.127.216 took 1 ms. 256 bytes. TTL 255.
(Duplicate)
PING reply 1 from 192.168.127.29 took 1 ms. 256 bytes. TTL 255.
(Duplicate)
PING reply 1 from 192.168.127.12 took 1 ms. 256 bytes. TTL 255.
<more>

Jim
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