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 From : Vladimir Ivanov                      2:5020/400     02 Jul 2003  17:15:42
 To : All
 Subject : BRI encapsulation failed
 -------------------------------------------------------------------------------- 
 

 
 
 Hi.
 
 Странная проблема:
 
 *Mar  1 03:11:04: BR0:1 PPP: Treating connection as a callout
 *Mar  1 03:11:04: BR0:1 PPP: Phase is ESTABLISHING, Active Open
 *Mar  1 03:11:04: BR0:1 LCP: O CONFREQ [Closed] id 17 len 15
 *Mar  1 03:11:04: BR0:1 LCP:    AuthProto CHAP (0x0305C22305)
 *Mar  1 03:11:04: BR0:1 LCP:    MagicNumber 0xD16A7BB8 (0x0506D16A7BB8)
 *Mar  1 03:11:04: BR0:1 LCP: I CONFREQ [REQsent] id 70 len 27
 *Mar  1 03:11:04: BR0:1 LCP:    AuthProto PAP (0x0304C023)
 *Mar  1 03:11:04: BR0:1 LCP:    MagicNumber 0xCA38E6C3 (0x0506CA38E6C3)
 *Mar  1 03:11:04: BR0:1 LCP:    MRRU 1524 (0x110405F4)
 *Mar  1 03:11:04: BR0:1 LCP:    EndpointDisc 1 Local
 (0x1309016973646E6777)
 *Mar  1 03:11:04: BR0:1 LCP: O CONFREJ [REQsent] id 70 len 17
 *Mar  1 03:11:04: BR0:1 LCP:    MRRU 1524 (0x110405F4)
 *Mar  1 03:11:04: BR0:1 LCP:    EndpointDisc 1 Local
 (0x1309016973646E6777)
 *Mar  1 03:11:04: BR0:1 LCP: I CONFACK [REQsent] id 17 len 15
 *Mar  1 03:11:04: BR0:1 LCP:    AuthProto CHAP (0x0305C22305)
 *Mar  1 03:11:04: BR0:1 LCP:    MagicNumber 0xD16A7BB8 (0x0506D16A7BB8)
 *Mar  1 03:11:04: BR0:1 LCP: I CONFREQ [ACKrcvd] id 71 len 14
 *Mar  1 03:11:04: BR0:1 LCP:    AuthProto PAP (0x0304C023)
 *Mar  1 03:11:04: BR0:1 LCP:    MagicNumber 0xCA38E6C3 (0x0506CA38E6C3)
 *Mar  1 03:11:04: BR0:1 LCP: O CONFNAK [ACKrcvd] id 71 len 9
 *Mar  1 03:11:04: BR0:1 LCP:    AuthProto CHAP (0x0305C22305)
 *Mar  1 03:11:04: BR0:1 LCP: I CONFREQ [ACKrcvd] id 72 len 15
 *Mar  1 03:11:04: BR0:1 LCP:    AuthProto CHAP (0x0305C22305)
 *Mar  1 03:11:04: BR0:1 LCP:    MagicNumber 0xCA38E6C3 (0x0506CA38E6C3)
 *Mar  1 03:11:04: BR0:1 LCP: O CONFACK [ACKrcvd] id 72 len 15
 *Mar  1 03:11:04: BR0:1 LCP:    AuthProto CHAP (0x0305C22305)
 *Mar  1 03:11:04: BR0:1 LCP:    MagicNumber 0xCA38E6C3 (0x0506CA38E6C3)
 *Mar  1 03:11:04: BR0:1 LCP: State is Open
 *Mar  1 03:11:04: BR0:1 PPP: Phase is AUTHENTICATING, by both
 *Mar  1 03:11:04: BR0:1 CHAP: Using alternate hostname DUS05A
 *Mar  1 03:11:04: BR0:1 CHAP: O CHALLENGE id 17 len 27 from "DUS05A"
 *Mar  1 03:11:04: BR0:1 CHAP: I CHALLENGE id 253 len 27 from "isdngw"
 *Mar  1 03:11:04: BR0:1 CHAP: Using alternate hostname DUS05A
 *Mar  1 03:11:04: BR0:1 CHAP: O RESPONSE id 253 len 27 from "DUS05A"
 *Mar  1 03:11:05: BR0:1 CHAP: I SUCCESS id 253 len 4
 *Mar  1 03:11:05: BR0:1 CHAP: I RESPONSE id 17 len 27 from "isdngw"
 *Mar  1 03:11:05: BR0:1 CHAP: O SUCCESS id 17 len 4
 *Mar  1 03:11:05: BR0:1 PPP: Phase is UP
 *Mar  1 03:11:05: BR0:1 IPCP: O CONFREQ [Closed] id 17 len 10
 *Mar  1 03:11:05: BR0:1 IPCP:    Address 192.168.21.49 (0x0306C0A81531)
 *Mar  1 03:11:05: BR0:1 IPCP: I CONFREQ [REQsent] id 120 len 10
 *Mar  1 03:11:05: BR0:1 IPCP:    Address 192.168.21.50 (0x0306C0A81532)
 *Mar  1 03:11:05: BR0:1 IPCP: O CONFNAK [REQsent] id 120 len 10
 *Mar  1 03:11:05: BR0:1 IPCP:    Address xxx.31.4.162 (0x0306A41F04A2)
 *Mar  1 03:11:05: BR0:1 IPCP: I CONFACK [REQsent] id 17 len 10
 *Mar  1 03:11:05: BR0:1 IPCP:    Address 192.168.21.49 (0x0306C0A81531)
 *Mar  1 03:11:05: BR0:1 IPCP: I CONFREQ [ACKrcvd] id 121 len 4
 *Mar  1 03:11:05: BR0:1 IPCP: O CONFACK [ACKrcvd] id 121 len 4
 *Mar  1 03:11:05: BR0:1 IPCP: State is Open
 *Mar  1 03:11:05: BR0 IPCP: Install route to xxx.31.4.162
 03:12:40: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0:1, changed state 
 to up
 Hа мой взгляд тут все нормально. Идем дальше.
 
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 48, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312587, ack=0, win=65535
 SYN
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 44, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868382, ack=2102312588,
 win=16560 ACK SYN
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 40, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312588, ack=607868383,
 win=65535 ACK
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 72, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312588, ack=607868383,
 win=65535 ACK PSH
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 72, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868383, ack=2102312620,
 win=16560 ACK PSH
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 339, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312620, ack=607868415,
 win=65503 ACK PSH
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 196, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868415, ack=2102312919,
 win=16560 ACK PSH
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 68, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868571, ack=2102312919,
 win=16560 ACK PSH
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 40, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312919, ack=607868599,
 win=65319 ACK
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 76, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868599, ack=2102312919,
 win=16560 ACK PSH
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 71, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312919, ack=607868635,
 win=65283 ACK PSH
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 65, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868635, ack=2102312950,
 win=16560 ACK PSH
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 40, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312950, ack=607868660,
 win=65258 ACK FIN
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 40, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868660, ack=2102312951,
 win=16560 ACK
 *Mar  1 03:11:09: IP: s=xxx.31.4.162 (BRI0), d=yyy.39.88.45 (Ethernet0),
 g=yyy.39.88.45, len 40, forward
 *Mar  1 03:11:09:     TCP src=102, dst=10562, seq=607868660, ack=2102312951,
 win=16560 ACK FIN
 *Mar  1 03:11:09: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 40, forward
 *Mar  1 03:11:09:     TCP src=10562, dst=102, seq=2102312951, ack=607868661,
 win=65258 ACK
 *Mar  1 03:12:01: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 48, forward
 *Mar  1 03:12:01:     TCP src=10635, dst=102, seq=2121301304, ack=0, win=65535
 SYN
 
 До этого момента все работает, потом вдруг меняется направление ветра:
 
 *Mar  1 03:12:01: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0), len 48,
 encapsulation failed
 *Mar  1 03:12:01:     TCP src=10635, dst=102, seq=2121301304, ack=0, win=65535
 SYN
 *Mar  1 03:12:04: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 48, forward
 *Mar  1 03:12:04:     TCP src=10635, dst=102, seq=2121301304, ack=0, win=65535
 SYN
 *Mar  1 03:12:04: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0), len 48,
 encapsulation failed
 *Mar  1 03:12:04:     TCP src=10635, dst=102, seq=2121301304, ack=0, win=65535
 SYN
 *Mar  1 03:12:10: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 48, forward
 *Mar  1 03:12:10:     TCP src=10635, dst=102, seq=2121301304, ack=0, win=65535
 SYN
 *Mar  1 03:12:10: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0), len 48,
 encapsulation failed
 *Mar  1 03:12:10:     TCP src=10635, dst=102, seq=2121301304, ack=0, win=65535
 SYN
 *Mar  1 03:12:30: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 48, forward
 *Mar  1 03:12:30:     TCP src=10647, dst=102, seq=2129268118, ack=0, win=65535
 SYN
 *Mar  1 03:12:30: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0), len 48,
 encapsulation failed
 *Mar  1 03:12:30:     TCP src=10647, dst=102, seq=2129268118, ack=0, win=65535
 SYN
 *Mar  1 03:12:34: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 48, forward
 *Mar  1 03:12:34:     TCP src=10647, dst=102, seq=2129268118, ack=0, win=65535
 SYN
 *Mar  1 03:12:34: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0), len 48,
 encapsulation failed
 *Mar  1 03:12:34:     TCP src=10647, dst=102, seq=2129268118, ack=0, win=65535
 SYN
 *Mar  1 03:12:40: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0),
 g=xxx.31.4.162, len 48, forward
 *Mar  1 03:12:40:     TCP src=10647, dst=102, seq=2129268118, ack=0, win=65535
 SYN
 *Mar  1 03:12:40: IP: s=yyy.39.88.45 (Ethernet0), d=xxx.31.4.162 (BRI0), len 48,
 encapsulation failed
 *Mar  1 03:12:40:     TCP src=10647, dst=102, seq=2129268118, ack=0, win=65535
 SYN
 DUS#sh ver
 Cisco Internetwork Operating System Software 
 IOS (tm) C800 Software (C800-G3-MW), Version 12.0(1)XB1,  RELEASE
 SOFTWARE (fc1) 
 TAC:Home:SW:IOS:Specials for info
 Copyright (c) 1986-1998 by cisco Systems, Inc.
 Compiled Wed 30-Dec-98 13:34 by ayeh
 Image text-base: 0x000E9000, data-base: 0x004F5000
 
 ROM: TinyROM version 1.0(3)
 DUS uptime is 3 hours, 32 minutes
 System restarted by power-on
 System image file is "flash:c800-g3-mw_120-1_XB1.bin"
 
 Cisco C801 (MPC850) processor (revision 1) with 43260K bytes of virtual
 memory.
 Processor board ID JAD03357128
 CPU part number 33
 Bridging software.
 Basic Rate ISDN software, Version 1.1.
 1 Ethernet/IEEE 802.3 interface(s)
 1 ISDN Basic Rate interface(s)
 4M bytes of physical memory (DRAM)
 8K bytes of non-volatile configuration memory
 8M bytes of flash on board (4M from flash card)
 
 Configuration register is 0x2102
 Конфигурацию тоже могу показать, если надо, но там простой dialer-list и
 в общем-то все.
 Вопрос, почему оно вдруг перестает работать? Руки у меня кривые или...?
 
 -- 
 Vladimir Ivanov
 --- ifmail v.2.15dev5
  * Origin: Informika (2:5020/400)
 
 

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