From mboxrd@z Thu Jan  1 00:00:00 1970
From: tony.chamberlain@lemko.com
Date: Wed, 26 Nov 2008 13:47:44 +0000
Subject: pptp failure
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To: linux-ppp@vger.kernel.org

I have the same pptp configuration stuff on two Linux boxes.
Box A is 2.6.9-78.0.5.ELsmp #1 and Box B is 2.6.9-55.ELsmp #1 SMP.
Up until just a few days ago pptp from both boxes worked fine.

Options: MPPE and refuse EAP.  The other 2 encryption boxes are not checked.
         In miscellaneous I have debug turned on.

Box B shows this from debug:
  sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x354ce8ff> <pcomp> <accomp>]
  rcvd [LCP ConfReq id=0x1 <auth chap MS-v2> <mru 1460> <magic 0x99302d60>]
  (then some more sent and receiveds)

Box A just show repeat:
  sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xe58c245e> <pcomp> <accomp>]
  sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xe58c245e> <pcomp> <accomp>]
  Script pptp X.X.X.X --nolaunchpppd  finished (pid 18300), status = 0x0
  Modem hangup
  Connection terminated.
(I Xed out the actual VPN IP address which is the same as Box B).

So for some reason, Box A is not getting a response back.  I see it is 
a different magic number.  Could that have anything to do with it?  After
a short time it gets a SIGUSR:
   pptpconfig: pppd process terminated by signal 16 (failed)
   pptpconfig: SIGUSR1


Any idea what is happening?  I did recently install cisco vpn client
on Box A, but pptp was working after to that.