[Asterisk-Users] why even use SIP

[Dana Olson]

On Sat, 26 Mar 2005 04:14:54 +0200, Tzafrir Cohen <tzafrir at cohens.org.il> wrote:
> On Wed, Mar 23, 2005 at 04:37:02PM -0500, Dana Olson wrote:
> 
> > My company has thousands of entries in the DHCP server, and it would
> > take forever to go through each and every one of them. Not to mention
> > that I, being in the telecom division, do not have access to the DHCP
> > servers.
> 
> scan for a MAC address?
> 
> ping all the addresses in the range and then
> 
>  /usr/sbin/arp -n |grep -i that_mac_addr
> 
> The scanning part could be done using something like:
> 
>  nmap -sP 192.168.1-5.*
> 
> Another simple trick (assuming a mostly windows network) is to simply
> ping to the broadcast address. Linux-es and macs tend to respond to
> those pings and so are most devices. Windows tend to ignore those pings.
> 
> --
> Tzafrir Cohen         | New signature for new address and  |  VIM is
> http://tzafrir.org.il | new homepage                       | a Mutt's
> tzafrir at cohens.org.il |                                    |  best
> ICQ# 16849755         | Space reserved for other protocols | friend



The MAC addresses are not labeled on the units. I swear I said that already.