[pptp-server] Netmask woes... Last thing I'm sure.

[Chris Wood]

Can you search for the servers by IP and find them?  Or map network drive
\\192.160.0.2\SHARENAME?

On Thu, 22 Feb 2001, Dread Boy wrote:

> OK.  Here goes.  I'm able to log in from anywhere with any SMB 
> username/password combo, strip off the MS domain crap, and authenticate 
> perfectly from Win95A, 95B, 98, 98SE, NT4, and 2000.  Cool.
> 
> However, my client's IP address always shows a netmask of 255.255.255.0 
> which is correct.  My LAN is a private subnet 192.168.0.x (I've used Class 
> "C" even though these are for a Class "B" network, no matter either way.)
> 
> Now, after the client connected, I could never, ever see any Windoze 
> machines, including my Linux Samba server with WINS, DNS, remote announce, 
> blah, blah, blah, blah, blah.
> 
> This is because when I check the ppp0 interface with "ifconfig" the ppp0 
> interface always shows a netmask of 255.255.255.255.  Of course this is 
> quite futile if you want to view any of the 253 computers on your Class C 
> network.  =(
> 
> I can run "ifconfig ppp0 netmask 255.255.255.0" and force the netmask, but 
> this seems to make no difference after connection.  I still can not see even 
> the samba server trying WINS, BCAST, or LMHOSTS.
> 
> I assume this is because I am stuck with that 255.255.255.255 netmasking 
> door in my face.
> 
> I am running PoPToP 1.0.1 with ppp 2.3.11 and kernel 2.2.17.
> 
> I have an NT server at 192.168.0.1.  (Netmask 255.255.255.0)
> 
> I have a Linux SMB server at 192.168.0.2 with two network cards for gateway 
> usage, etc.  192.168.0.2 is eth0 and my other IP is eth1.  My ipchains 
> script is almost perfect for forwarding, blockage, etc.
> 
> I can see neither of these machines, or any other nodes for that matter.
> 
> I can connect remotely from other Windoze machines.
> 
> I read through the man pages for pppd and found the "netmask" option which 
> is supposed to be placed in /etc/ppp/options.  However, when I add "netmask 
> 255.255.255.0" into the options file, it definitely isn't rejected by pptpd 
> or pppd, but still 255.255.255.255 comes up on the ppp0 interface.  In the 
> pppd man pages it states that "some O/Ses won't allow anything but"
> 
> What?!  I've read several threads on the mailing list of people having 
> success with RedHat Linux.  What am I doing wrong?  I have RedHat 6.2 
> (Originally kernel 2.2.14-5.0, now is 2.2.17 with GRE and ppp-2.3.11 with 
> all of the MS patches which seem to be working fine.)
> 
> Argghhh!!!
> 
> How does one get by this?  I'm sure it's the last step to enabling MS 
> clients to access our VPN.
> 
> Who's got the quick answer for this one?
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-- 

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Chris Wood       Kitco, Inc.          Dixie Aerospace
801-489-2097     Wencor West, Inc.    Durham Aircraft Serv.
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