Re: Network Places and DHCP on home lan

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From: GTS (x)
Date: 02/17/05 

Date: Thu, 17 Feb 2005 12:02:07 -0500

The ability to access the internet but not the other workstations is exactly
what will happen when you have the two routers both acting as DHCP servers.
Using a wireless router as an Access Point requires assigning it a static
address and turning off it's DHCP function. See
http://www.ezlan.net/router_AP.html for a details on how to configure. 

-- 
"Harry Putnam" <reader@newsguy.com> wrote in message 
news:u3bvvfceb.fsf@newsguy.com...
>
> I've always used static addresses inside my home lan until today.  I'm
> trying to use a netopia router designed for dsl/cable to lan.  But
> really using it inside the lan only as a wireless access point.
>
> Summary: I need a list of ways normally used to trouble shoot network
>         when dhcp addresses are in use.
>
> Details:
> I've tried many setups but the only one I could get to work so far
> that allows me to get what I wanted (a wireless segment inside home
> lan)
>
> Looks like : INTERNET
>                |
>             DSL modem
>                |
>  ---------- NETGEAR ROUTER --------------------------
>  |         |       |         |             |
> mch1       mch2     |        mch3          mch5
> wxp        wxp     |         Linux         Openbsd
>                    |
>                 Netopia router   (out=192.168.0.1
>                    |             in=192.168.1.1
>                 wirless          Serving DHCP to 192.168.1.1-100)
>                    |
>                 Sony Laptop (DHCP)
>                  mch4
>
> The trouble I'm having is getting the laptop (Mch4) to be accessable
> to the other windows boxes from network neighborhood.
>
> The laptop can get out to internet ok, and can ping ftp etc to
> everything inside.
>
> But I suddenly realized I don't even know how to ping the laptop.  It
> has a DHCP address.  I've never really had any practicl dealings with
> DHCP other than an occasional connect to internet from Kinkos or
> similar.
>
> [aside]=> Other than getting it off the laptop at the console how do
>          people get the DHCP addresses of stuff on a lan.
>
> In this case I can get it manually from the console; 192.168.1.100 but
> cannot ping it from elsewhere on lan.  Even if I set up a static route
> on another winxp box like route add 192.168.1.100 192.168.0.1 Still
> ... no ping.
>
> That might be that the router is set to block ping by default.  I'm
> not really eager to delve deeply into that angle.
>
> I hoped someone could list out the normal ways one deals with dhcp
> when network troubleshooting.. ie (ping traceroute.. what)
> Are there tools that can dig out the dhcp address in use?

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