ru.unix.bsd

 
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 From : DAN Belonozhkin                      2:5027/26.9    31 Jan 2002  23:04:17
 To : All
 Subject : PPP: Received bad configure-nak/rej ?
 -------------------------------------------------------------------------------- 
 

 
         Пытаюсь настроить PPP DialOut до одного из местных провайдеров. С моей
 стороны стоит ОС FreeBSD v4.4-RELEASE, со стороны провайдера тоже FreeBSD, но
 только более старая версия. Использую pppd v2.3.5 (Kernel PPP) из стандартной
 поставки ОС, настроенный в соответствии с рекомендациями Игоря Сысоева
 (http://www.nitek.ru/~igor/pppd/). Сразу после дозвона, соединения и
 аутентификации на одной из локальных консолей несколько раз подряд возникает
 следующее сообщение об ошибке: "pppd[655]: Received bad configure-nak/rej:  18
 04 78 00 15 03 2f". При этом связь не разрывается, а сетевые пакеты ходят без
 особых проблем, т.е. данная ошибка не имеет каких-либо фатальных последствий.
 Вот часть системного лога pppd, иллюстрирующая один из таких сеансов связи:
 *******************************************************************************
 pppd[655]: pppd 2.3.5 started by dan, uid 0
 pppd[655]: Serial connection established.
 pppd[655]: Using interface ppp0
 pppd[655]: Connect: ppp0 <--> /dev/cuaa1
 pppd[655]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x63171259> <pcomp>
 <accomp>]
 pppd[655]: rcvd [LCP ConfReq id=0x1 <accomp> <pcomp> <asyncmap 0x0> <mru 1500>
 <magic 0xd928e3de> <quality lqr 00 00 0b b8>]
 pppd[655]: sent [LCP ConfRej id=0x1 <quality lqr 00 00 0b b8>]
 pppd[655]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x63171259> <pcomp>
 <accomp>]
 pppd[655]: rcvd [LCP ConfReq id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500>
 <magic 0xd928e3de>]
 pppd[655]: sent [LCP ConfAck id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500>
 <magic 0xd928e3de>]
 pppd[655]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <compress VJ 0f 01>]
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [LCP EchoReq id=0x0 magic=0xd928e3de 00 00 00 00 05 dc 05 06]
 pppd[655]: sent [LCP EchoRep id=0x0 magic=0x63171259 00 00 00 00 05 dc 05 06]
 pppd[655]: rcvd [CCP ConfReq id=0x1 <predictor 1>]
 pppd[655]: sent [CCP ConfRej id=0x1 <predictor 1>]
 pppd[655]: rcvd [IPCP ConfReq id=0x1 <addr 217.106.247.13> <compress VJ 0f 01>]
 pppd[655]: sent [IPCP ConfAck id=0x1 <addr 217.106.247.13> <compress VJ 0f 01>]
 pppd[655]: rcvd [IPCP ConfNak id=0x1 <addr 217.106.247.107>]
 pppd[655]: sent [IPCP ConfReq id=0x2 <addr 217.106.247.107> <compress VJ 0f 01>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: rcvd [CCP ConfReq id=0x2]
 pppd[655]: sent [CCP ConfAck id=0x2]
 pppd[655]: rcvd [IPCP ConfAck id=0x2 <addr 217.106.247.107> <compress VJ 0f 01>]
 pppd[655]: local  IP address 217.106.247.107
 pppd[655]: remote IP address 217.106.247.13
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
 pppd[655]: rcvd [CCP ConfRej id=0x1 <deflate(old#) 15> <bsd v1 15>]
 
 >pppd[655]: Received bad configure-nak/rej:  18 04 78 00 15 03 2f
 
 pppd[655]: CCP: timeout sending Config-Requests
 pppd[655]: rcvd [LCP EchoReq id=0x1 magic=0xd928e3de 00 00 00 01 05 dc 05 06]
 pppd[655]: sent [LCP EchoRep id=0x1 magic=0x63171259 00 00 00 01 05 dc 05 06]
 pppd[655]: rcvd [LCP EchoReq id=0x2 magic=0xd928e3de 00 00 00 02 05 dc 05 06]
 pppd[655]: sent [LCP EchoRep id=0x2 magic=0x63171259 00 00 00 02 05 dc 05 06]
 pppd[655]: rcvd [LCP EchoReq id=0x3 magic=0xd928e3de 00 00 00 03 05 dc 05 06]
 pppd[655]: sent [LCP EchoRep id=0x3 magic=0x63171259 00 00 00 03 05 dc 05 06]
 pppd[655]: rcvd [LCP EchoReq id=0x4 magic=0xd928e3de 00 00 00 04 05 dc 05 06]
 pppd[655]: sent [LCP EchoRep id=0x4 magic=0x63171259 00 00 00 04 05 dc 05 06]
 pppd[655]: rcvd [LCP EchoReq id=0x5 magic=0xd928e3de 00 00 00 05 05 dc 05 06]
 pppd[655]: sent [LCP EchoRep id=0x5 magic=0x63171259 00 00 00 05 05 dc 05 06]
 pppd[655]: rcvd [LCP EchoReq id=0x6 magic=0xd928e3de 00 00 00 06 05 dc 05 06]
 pppd[655]: sent [LCP EchoRep id=0x6 magic=0x63171259 00 00 00 06 05 dc 05 06]
 pppd[655]: Terminating on signal 15.
 pppd[655]: sent [LCP TermReq id=0x2 "User request"]
 pppd[655]: rcvd [LCP TermAck id=0x2]
 pppd[655]: Connection terminated, connected for 3 minutes 
 pppd[655]: Exit.
 *******************************************************************************
 
         Hасколько я понимаю, после десяти попыток договориться об используемом
 алгоритме сжатия с помощью CCP (Compression Control Protocol) pppd с моей
 стороны просто прекращает все дальнейшие действия в этом направлении.
 Экспериментальным путем было установлено, что избавиться от вышеупомянутого
 сообщения об ошибке можно путем отключения алгоритма сжатия deflate (PPP
 zlib/gzip style compression), указав pppd параметр nodeflate. Вот другая часть
 системного лога pppd, показывающая результат этих модификаций:
 
 *******************************************************************************
 pppd[691]: pppd 2.3.5 started by dan, uid 0
 pppd[691]: Serial connection established.
 pppd[691]: Using interface ppp0
 pppd[691]: Connect: ppp0 <--> /dev/cuaa1
 pppd[691]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x1e0c0112> <pcomp>
 <accomp>]
 pppd[691]: rcvd [LCP ConfReq id=0x1 <accomp> <pcomp> <asyncmap 0x0> <mru 1500>
 <magic 0xc30023ed> <quality lqr 00 00 0b b8>]
 pppd[691]: sent [LCP ConfRej id=0x1 <quality lqr 00 00 0b b8>]
 pppd[691]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x1e0c0112> <pcomp>
 <accomp>]
 pppd[691]: rcvd [LCP ConfReq id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500>
 <magic 0xc30023ed>]
 pppd[691]: sent [LCP ConfAck id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500>
 <magic 0xc30023ed>]
 pppd[691]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <compress VJ 0f 01>]
 pppd[691]: sent [CCP ConfReq id=0x1 <bsd v1 15>]
 pppd[691]: rcvd [LCP EchoReq id=0x0 magic=0xc30023ed 00 00 00 00 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x0 magic=0x1e0c0112 00 00 00 00 05 dc 05 06]
 pppd[691]: rcvd [CCP ConfReq id=0x1 <predictor 1>]
 pppd[691]: sent [CCP ConfRej id=0x1 <predictor 1>]
 pppd[691]: rcvd [IPCP ConfReq id=0x1 <addr 217.106.247.13> <compress VJ 0f 01>]
 pppd[691]: sent [IPCP ConfAck id=0x1 <addr 217.106.247.13> <compress VJ 0f 01>]
 pppd[691]: rcvd [IPCP ConfNak id=0x1 <addr 217.106.247.107>]
 pppd[691]: sent [IPCP ConfReq id=0x2 <addr 217.106.247.107> <compress VJ 0f 01>]
 pppd[691]: rcvd [CCP ConfRej id=0x1 <bsd v1 15>]
 pppd[691]: sent [CCP ConfReq id=0x2]
 pppd[691]: rcvd [CCP ConfReq id=0x2]
 pppd[691]: sent [CCP ConfAck id=0x2]
 pppd[691]: rcvd [IPCP ConfAck id=0x2 <addr 217.106.247.107> <compress VJ 0f 01>]
 pppd[691]: local  IP address 217.106.247.107
 pppd[691]: remote IP address 217.106.247.13
 pppd[691]: rcvd [CCP ConfAck id=0x2]
 pppd[691]: rcvd [LCP EchoReq id=0x1 magic=0xc30023ed 00 00 00 01 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x1 magic=0x1e0c0112 00 00 00 01 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x2 magic=0xc30023ed 00 00 00 02 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x2 magic=0x1e0c0112 00 00 00 02 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x3 magic=0xc30023ed 00 00 00 03 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x3 magic=0x1e0c0112 00 00 00 03 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x4 magic=0xc30023ed 00 00 00 04 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x4 magic=0x1e0c0112 00 00 00 04 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x5 magic=0xc30023ed 00 00 00 05 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x5 magic=0x1e0c0112 00 00 00 05 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x6 magic=0xc30023ed 00 00 00 06 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x6 magic=0x1e0c0112 00 00 00 06 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x7 magic=0xc30023ed 00 00 00 07 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x7 magic=0x1e0c0112 00 00 00 07 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x8 magic=0xc30023ed 00 00 00 08 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x8 magic=0x1e0c0112 00 00 00 08 05 dc 05 06]
 pppd[691]: rcvd [LCP EchoReq id=0x9 magic=0xc30023ed 00 00 00 09 05 dc 05 06]
 pppd[691]: sent [LCP EchoRep id=0x9 magic=0x1e0c0112 00 00 00 09 05 dc 05 06]
 pppd[691]: Terminating on signal 15.
 pppd[691]: sent [LCP TermReq id=0x2 "User request"]
 pppd[691]: rcvd [LCP TermAck id=0x2]
 pppd[691]: Connection terminated, connected for 4 minutes 
 pppd[691]: Exit.
 *******************************************************************************
 
         Хотелось бы узнать, в результате чего именно возникает вышеуказанная
 ошибка, возможно ли избавиться от нее и соответствующего сообщения
 по-возможности не отключая компрессию ? *Заранее благодарен.*
 
 FIPS: FmMB2 001400                      With best regards DAN Belonozhkin !
 
 --- WP/95 Rel 1.6E (203.1) Reg.
  * Origin: [2:5027/31.18@FidoNet] AKA [7:1250/14.40@FidoNet] (2:5027/26.9)
 
 

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