[PLUG] Unidirectional Network Commection

[Fred James]

Rich Shepard wrote:
>    I'd greatly appreciate insights from you professional network admins since
> I'm out of ideas.
>
>    One host on the network, the Toshiba laptop, communicates via a wireless
> connection to both the LAN and, via the router/bridge the Internet. From the
> laptop I can ping other LAN hosts as well as external sites. However, from
> the main server/workstation I cannot ping (or otherwise access) the laptop.
>
>    When I try I'm told that the destination is unreachable. Usually I see
> this when the network is down, but it's up and running just fine. I suspect
> the issue is with the wireless access point, which is another node on the
> LAN. I cannot ping that host, either; there's no message, just dropped
> packets.
>
>    Any and all thoughts on why communications _from_ the laptop work while
> attempts _to_ the laptop fail are appreciated.
>
> Rich
>   
Rich Shepard
(1) Can you attach the laptop in question to the LAN via an Eithernet 
cable (disabling wireless)?
(1.a) If so, can you ping it then?
(2) Are there any other host attached to the LAN via the wireless point 
in question?
(2.a) If so, can you ping any of them?
Hope this helps
Regards
Fred James