From owner-freebsd-questions  Thu Feb 17  3:30:49 2000
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Date: Thu, 17 Feb 2000 18:27:15 +0700
From: "Vladimir N. Kovalev" <smith@scn.ru>
Organization: Sibchallenge Corp.
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To: freebsd-questions@FreeBSD.ORG
Subject: user ppp and pppd can't establish link with deflate
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                   Hello !
I have a fresh FreeBSD 3.4-STABLE #0: server with user level ppp.
/etc/ppp.conf looks like
ondemand:                                                              
 allow modes auto                                                 
 set phone nnnnnn
 set reconnect 3 20                                               
 set login                                                        
 set authname newman
 set authkey  ******
 set timeout 120                                                  
 set ifaddr nnn.nnn.nnn.nnn/0 kkk.kkk.kkk.kkk/0 255.255.255.0 0.0.0.0
 add default HISADDR                                              
# disable deflate                                                 
 enable deflate24                                                 
# set deflate 15 15                                               
 nat enable yes                                                   
 nat same_ports yes                                               
 nat use_sockets yes

And old FreeBSD 2.2.8-STABLE #0: server with pppd 2.3.10
/etc/options :
debug                                             
crtscts                                           
modem                                             
lock                                              
deflate 15                                        
predictor1                                        
-bsdcomp                                          
auth                                              
require-chap                                      
require-pap                                       
name server
netmask 255.255.255.252                           
lcp-echo-interval 90                              
lcp-echo-failure 2

New server establish connection with  old server, but deflate compression
turned off. I check it by pppstats -w 1 -r pppN on my old server.

In the log file I find out such messages
Feb 17 17:52:05 new ppp[777]: tun0: CCP:  DEFLATE[4] win 15                 
Feb 17 17:52:05 new ppp[777]: tun0: CCP:  MAGNALINK/DEFLATE[4] win 15       
Feb 17 17:52:05 new ppp[777]: tun0: CCP: deflink: SendConfigRej(1) state = A
Feb 17 17:52:05 new ppp[777]: tun0: CCP:  MAGNALINK/DEFLATE[4] win 15       
Feb 17 17:52:39 new ppp[777]: tun0: Phase: deflink: HDLC errors -> FCS:
1,ADDR: COMD: 0, PROTO: 0
and
Feb 17 17:46:19 old pppd[26165]: rcvd [CCP ConfRej id=0x1 <deflate(old#)
15>]  
Feb 17 17:46:19 old pppd[26165]: Received bad configure-nak/rej:  18 04 78
00  
Feb 17 17:46:22 old pppd[26165]: sent [CCP ConfReq id=0x1 <deflate 15>
<deflate
(old#)
15>]                                                                     
Feb 17 17:46:22 old pppd[26165]: rcvd [CCP ConfRej id=0x1 <deflate(old#)
15>]  
Feb 17 17:46:22 old pppd[26165]: Received bad configure-nak/rej:  18 04 78
00  
Feb 17 17:46:25 old pppd[26165]: CCP: timeout sending Config-Requests   

So, why deflate compression does not work ?

With best regards
Vladimir N. Kovalev


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