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- From: perkins@cps.msu.edu (Stephen Perkins)
- Newsgroups: comp.protocols.ppp
- Subject: NCP negotiation blues
- Message-ID: <1992Jul26.191040.10799@msuinfo.cl.msu.edu>
- Date: 26 Jul 92 19:10:40 GMT
- Sender: news@msuinfo.cl.msu.edu
- Organization: Dept. of Computer Science, Michigan State University
- Lines: 117
- Originator: perkins@indian.cps.msu.edu
-
- Howdy,
-
- I am hoping that someone has run upon this problem and knows how to
- fix it. I am trying to establish a PPP connection between a SUN/IPX at
- work and my NeXT at home. The connection goes through a Xyplex
- terminal server.
-
- When I start the connection, it seems that LCP negotiation completes.
- Then, I get stuck during the NCP negotiation. It seems that the
- machine at work sends many configuration requests. My machine at home
- receives them (and ACK's each option, there are no NAK's) finally
- returning a CONFACK. However, the machine at work never receives this
- acknowledgement. After a short period, the machine at work will send
- another configuration request and the whole thing starts over again.
-
- After a while, I kill PPP on my home machine. The LCP terminate
- message is received and handled properly by the machine at work.
-
- I tried forcing an asyncmap of all 1's (as Karl Fox suggested), but
- that didn't seem to help my problem. The problem may be that my
- connection is not passing all control characters properly, but I don't
- know how to verify this (suggestions here also appreciated).
-
- BTW, I am running on a Supra v.32bis modem at 2400 with MNP5
- compression on an 040 cube using hardware flow control. I don't
- know what type of modem is on the other side.
-
- Any help would be sincerely appreciated.
-
- Below is a copy of the debug output for a run. The machine at work is
- "anat1" and my home machine is "sidney".
-
-
- anat1:
- ===================================================
- popped stream module : ttcompat
- popped stream module : ldterm
- Interface ppp0.
- Pid 2366.
- ppp: fsm_rconfreq(c021): Rcvd id 1.
- ppp: fsm_sconfreq(c021): Sent id 1.
- ppp: lcp_reqci: rcvd MRU(1500) (ACK)
- ppp: lcp_reqci: rcvd ASYNCMAP(ffffffff) (ACK)
- Ppp: lcp_reqci: rcvd MAGICNUMBER(2b7035ea) (ACK)
- ppp: lcp_reqci: rcvd PCOMPRESSION (ACK)
- ppp: lcp_reqci: rcvd ACCOMPRESSION (ACK)
- ppp: lcp_reqci: returning CONFACK.
- ppp: fsm_rconfack(c021): Rcvd id 1.
- ppp: fsm_sconfreq(8021): Sent id 1.
- ppp: fsm_sconfreq(8021): Sent id 2.
- ppp: fsm_sconfreq(8021): Sent id 3.
- ppp: fsm_sconfreq(8021): Sent id 4.
- ppp: fsm_sconfreq(8021): Sent id 5.
- ppp: fsm_rtermreq(c021): Rcvd id 2.
- ppp: fsm_sdata(c021): Sent code 6, id 2.
- str_restore: pushed module ldterm
- str_restore: pushed module ttcompat
- ===================================================
-
- sidney:
- ===================================================
- Interface ppp0.
- Pid 436.
- ppp: fsm_sconfreq(c021): Sent id 1.
- ppp: fsm_rconfreq(c021): Rcvd id 1.
- ppp: lcp_reqci: rcvd MRU(1500) (ACK)
- ppp: lcp_reqci: rcvd ASYNCMAP(0) (ACK)
- ppp: lcp_reqci: rcvd MAGICNUMBER(7d51d7da) (ACK)
- ppp: lcp_reqci: rcvd PCOMPRESSION (ACK)
- ppp: lcp_reqci: rcvd ACCOMPRESSION (ACK)
- ppp: lcp_reqci: returning CONFACK.
- ppp: fsm_rconfack(c021): Rcvd id 1.
- ppp: fsm_sconfreq(8021): Sent id 1.
- ppp: fsm_rconfreq(8021): Rcvd id 1.
- ppp: ipcp_reqci: rcvd ADDRS(c0a3140a:c0a3140c) (ACK)
- ppp: ipcp_reqci: rcvd COMPRESSTYPE(45) (ACK)
- ppp: ipcp_reqci: returning CONFACK.
- ppp: fsm_sconfreq(8021): Sent id 2.
- ppp: fsm_rconfreq(8021): Rcvd id 2.
- ppp: ipcp_reqci: rcvd ADDRS(c0a3140a:c0a3140c) (ACK)
- ppp: ipcp_reqci: rcvd COMPRESSTYPE(45) (ACK)
- ppp: ipcp_reqci: returning CONFACK.
- ppp: fsm_sconfreq(8021): Sent id 3.
- ppp: fsm_rconfreq(8021): Rcvd id 3.
- ppp: ipcp_reqci: rcvd ADDRS(c0a3140a:c0a3140c) (ACK)
- ppp: ipcp_reqci: rcvd COMPRESSTYPE(45) (ACK)
- ppp: ipcp_reqci: returning CONFACK.
- ppp: fsm_sconfreq(8021): Sent id 4.
- ppp: fsm_rconfreq(8021): Rcvd id 4.
- ppp: ipcp_reqci: rcvd ADDRS(c0a3140a:c0a3140c) (ACK)
- ppp: ipcp_reqci: rcvd COMPRESSTYPE(45) (ACK)
- ppp: ipcp_reqci: returning CONFACK.
- ppp: fsm_sdata(c021): Sent code 5, id 2.
- ppp: fsm_sdata(c021): Sent code 5, id 3.
- ppp: fsm_sdata(c021): Sent code 5, id 4.
- ppp: fsm_sdata(c021): Sent code 5, id 5.
- ppp: fsm_rtermreq(c021): Rcvd id 5.
- ppp: fsm_sdata(c021): Sent code 6, id 5.
- ppp: fsm_sdata(c021): Sent code 5, id 6.
- ppp: fsm_rtermreq(c021): Rcvd id 6.
- ppp: fsm_sdata(c021): Sent code 6, id 6.
- ppp: fsm_rtermack(c021).
-
- ===================================================
-
-
- I'll summarize if anyone is interested.
-
- Thanks,
-
- Steve
-
- --
- ====================================================================
- Stephen Perkins |
- Department of Computer Science | perkins@cps.msu.edu
- Michigan State University |
-