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From:
lswpubrw <[log in to unmask]>
Reply To:
Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Thu, 4 Aug 2011 16:29:49 -0400
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Yes I've ordered a USB to Ethernet adapter; should know the result in a day 
or two:^)

Bob W.

>  DHCP is relatively simple and widely supported.  So when a client
> device can't get an address via DHCP (or gets an unusable address),
> there are only a few possibilities worth considering:
>
> 1.  DHCP server failure -- pretty rare; ruled out if other clients work
> fine.
>
> 2.  No network connectivity between client and server -- fairly rare; in
> general, if any client works, it's not a server or infrastructure issue,
> it's something specific to the failing client.
>
>  Client can't send DHCP request -- sometimes the circuitry to send out
> LAN signals dies.  I've seen this more often with wireless than wired
> adapters -- the voltage/power needed to send a wireless signal are much
> greater than for a wired signal, and can "burn out" marginal chip traces
> etc.
>
>  Client can't see DHCP answer -- see above, much rarer.
>
>  I have also seen a couple of on-board Ethernet NICs die.  Add-on NICs
> in PCI or USB format are easy to find and inexpensive, depending on what
> kind of add-on the client device will accomodate.
>
> David Gillett, CCNP
>
 

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