[plug] Need to ping a subnet...

[Brad Campbell]

James Devenish wrote:
> In message <1093075744.3231.0.camel at latte.internal.itmaze.com.au>
> on Sat, Aug 21, 2004 at 06:09:04PM +1000, Onno Benschop wrote:
> 
>>Bleh, no-one here heard of arp tables?
> 
> 
> ;-) Off-list I did suggest `arp -a`. I actually thought that the
> broadcast ping would elicit arp responses even if not echo responses,
> but on the other hand I don't know what sort of "firewalling" might
> interfere with this. I did suggest a port 80 scan with nmap, though,
> in case the device in question will response wholeheartedly to that.
> I usually prefer the passive approach with arpwatch (cycle the device
> and wait for it to announce itself), but I thought ping would be more
> accessible.

Dead right..
ping the broadcast address and then do an arp -a and all my AP's turn up in the arp table even 
though they don't return ping responses.

Nice one :p)

A WAP11 will certainly reply to port 80 though.