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WHY PPPD REFUSES TO GIVE TO WIN 95 DNS NUMBERS ???

joker0
joker0 asked
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Last Modified: 2010-03-18
I'm an ISP Admin in trouble with pppd, can you give 3 minutes of
attention to me ?
My problem is that I'm not able to give to the WIN95 machines of
my modem-clients the IP address of the dns, and so they claim that
it's impossible to navigate (of course :-). I' ve tried to exchange
the order of the options i pass to pppd in the login.config file
of mgetty, but it doesn't work. So there is the row of the file.
Please tell me what's wrong ....

 /AutoPPP/ - @ /usr/sbin/pppd 115200 -detach -pap -chap login proxyarp \
netmask 255.255.255.192 modem crtscts dns-addr 194.244.100.164

Then in /etc/ppp/options.ttyS?? i have ...

194.244.100.167:194.244.100.168

that's the unique parameter that is modem-specific

I use ppp-2.2.0f and mgetty-0.99.3 ....

Many thanks in advance

Giovanni C.
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Commented:
This is an easy one...pppd must be compiled with the C preprocessor option USE_MS_DNS defined.  (I.e. when you compile, you must add "-DUSE_MS_DNS" to the compilation options.)  The binary version supplied with RedHat-4.0 and 4.1 (I think) was not compiled with that option, so the functionality is not present.

You can check to see whether the functionality is present with this command:

$ strings /usr/sbin/pppd | grep dns

If you see "dns-addr" appear, you've got it (and this answer is wrong); otherwise, you'll have to recompile your copy of pppd.  (But don't forget to accept this answer! :-)

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Commented:
We have had the same idea probably with a gap of 3 hours :-))))
But anyway your question is good and acceptable. Many Thanks
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