ru.cisco

 
 - RU.CISCO ---------------------------------------------------------------------
 From : Andrey Shnir                         2:5020/400     03 Jan 2002  12:27:46
 To : All
 Subject : cisco и конвертер сигнализаций ISM
 -------------------------------------------------------------------------------- 
 

 Подскажите пожалуйста - кто имел опыт стыкования cisco и упомянутого 
 лониисовского конвертера по DSS1, что надо подкрутить? cisco - 3660, в 
 ней модуль 2E1 unbalanced (NM-2CE1U), софт 12.2. Симптомы - не 
 поднимается Layer 2. Вот настройки:
 
 isdn switch-type primary-net5
 controller E1 4/1
  pri-group timeslots 1-31
 !
 interface Serial4/1:15
  no ip address
  encapsulation ppp
  isdn switch-type primary-net5
  isdn incoming-voice modem
  cdapi buffers regular 0
  cdapi buffers raw 0
  cdapi buffers large 0
 !
 
 Вот что выдается по разнообразным show и debug со стороны циски:
 
 c3662#sh controllers e1
 E1 4/1 is up.
   Applique type is Channelized E1 - unbalanced
   No alarms detected.
   alarm-trigger is not set
   Framing is CRC4, Line Code is HDB3, Clock Source is Line.
   Data in current interval (820 seconds elapsed):
      0 Line Code Violations, 0 Path Code Violations
      0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail 
 Secs
   Total Data (last 1 15 minute intervals):
      0 Line Code Violations, 0 Path Code Violations,
      0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,
      0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail 
 Secs
 c3662#sh isdn status 
 Global ISDN Switchtype = primary-net5
 ISDN Serial4/1:15 interface
 dsl 1, interface ISDN Switchtype = primary-net5
     Layer 1 Status:
 ACTIVE
     Layer 2 Status:
 TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
     Layer 3 Status:
 0 Active Layer 3 Call(s)
     Active dsl 1 CCBs = 0
     The Free Channel Mask:  0xFFFF7FFF
     Total Allocated ISDN CCBs = 0
 c3662#sh int s4/1:15
 Serial4/1:15 is up, line protocol is up (spoofing)
   Hardware is DSX1
   MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec, 
      reliability 255/255, txload 1/255, rxload 1/255
   Encapsulation PPP, loopback not set
   Last input 00:00:02, output never, output hang never
   Last clearing of "show interface" counters 00:01:01
   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
   Queueing strategy: weighted fair
   Output queue: 0/1000/64/0 (size/max total/threshold/drops) 
      Conversations  0/1/256 (active/max active/max total)
      Reserved Conversations 0/0 (allocated/max allocated)
      Available Bandwidth 48 kilobits/sec
   5 minute input rate 0 bits/sec, 0 packets/sec
   5 minute output rate 0 bits/sec, 0 packets/sec
      302 packets input, 906 bytes, 0 no buffer
      Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
      0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
      408 packets output, 1328 bytes, 0 underruns
      0 output errors, 0 collisions, 0 interface resets
      0 output buffer failures, 0 output buffers swapped out
      0 carrier transitions
   Timeslot(s) Used:16, Transmitter delay is 0 flags
 c3662#debug isdn q921
 ISDN Q921 packets debugging is on
 c3662#
 00:24:24: ISDN Se4/1:15: TX -> RRp sapi = 0  tei = 0 nr = 0 
 00:24:25: ISDN Se4/1:15: RX <- SABMEp c/r = 1 sapi = 0 tei = 0
 00:24:25: ISDN Se4/1:15: TX -> UAf c/r = 1  sapi = 0  tei = 0
 00:24:26: ISDN Se4/1:15: RX <- SABMEp c/r = 1 sapi = 0 tei = 0
 00:24:26: ISDN Se4/1:15: TX -> UAf c/r = 1  sapi = 0  tei = 0
 00:24:27: ISDN Se4/1:15: RX <- SABMEp c/r = 1 sapi = 0 tei = 0
 00:24:27: ISDN Se4/1:15: TX -> UAf c/r = 1  sapi = 0  tei = 0
 00:24:28: ISDN Se4/1:15: RX <- SABMEp c/r = 1 sapi = 0 tei = 0
 00:24:28: ISDN Se4/1:15: TX -> UAf c/r = 1  sapi = 0  tei = 
 0 
 00:24:38: ISDN Se4/1:15: TX -> RRp sapi = 0  tei = 0 nr = 0 
 00:24:39: ISDN Se4/1:15: TX -> RRp sapi = 0  tei = 0 nr = 0 
 00:24:39: ISDN Se4/1:15: RX <- SABMEp c/r = 1 sapi = 0 tei = 0
 00:24:39: ISDN Se4/1:15: TX -> UAf c/r = 1  sapi = 0  tei = 0
 00:24:40: ISDN Se4/1:15: RX <- SABMEp c/r = 1 sapi = 0 tei = 0
 00:24:40: ISDN Se4/1:15: TX -> UAf c/r = 1  sapi = 0  tei = 0
 00:24:41: ISDN Se4/1:15: RX <- SABMEp c/r = 1 sapi = 0 tei = 0
 
 Если нужна какая-либо дополнительнительная информация, то предоставлю. 
 
 Andrey
 
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