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question about interface serial.

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laerciotobias
Level 1
Level 1

‎06-21-2011 12:25 PM - edited ‎03-04-2019 12:46 PM

hi i have the logging showing ;

Jun 16 15:22:50: %CIRRUS-5-LINEFLAP: Unit 11 excessive modem control changes.

how can i figure out what is the fisical interface flaping on the log from the show idc output ? 

#show idb

Maximum number of Software IDBs 1400.  In use 96.

                       HWIDBs     SWIDBs

Active                     50         61

Inactive                   35         35

Total IDBs                 85         96

Size each (bytes)        2912       1280

Total bytes            247520     122880

Type SIdx Idx  St,O,Sh Interface Name (subblocks)

---------------------------------------------------

H     1     2   U,U,R  FastEthernet0/0 (HW IFINDEX(10001), HW SB CDP(6), HSRP(7), MAC ADDR(2), Ether(1))

H     2     3   U,U,R  FastEthernet0/1 (HW IFINDEX(10001), HW SB CDP(6), HSRP(7), HW IP ACCESS(5), DOT1Q(8), MAC ADDR(2), Ether(1))

H     3     4   A,D,R  Serial1/0 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H     4     5   A,D,R  Serial1/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H     5     6   A,D,R  Serial1/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H     6     7   A,D,R  Serial1/3 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H     7     8   A,D,R  Serial1/4 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H     8     9   A,D,R  Serial1/5 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H     9    10   A,D,R  Serial1/6 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    10    11   A,D,R  Serial1/7 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    11    12   A,D,R  Serial2/0 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    12    13   A,D,R  Serial2/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    13    14   U,A,R  Serial2/2 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    14    15   U,D,R  Serial2/3 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    15    16   U,U,R  Serial2/4 (HW IFINDEX(10001), Frame relay(9), Serial(3))

H    16    17   A,D,R  Serial2/5 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    17    18   A,D,R  Serial2/6 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    18    19   U,U,R  Serial2/7 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    19    20   U,U,R  Serial3/0 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    20    21   U,A,R  Serial3/1 (HW IFINDEX(10001), HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), Serial(3))

H    21    22   U,U,R  Serial3/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    22    23   U,U,R  Serial3/3 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))

H    23    24   A,D,R  Serial4/0 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    24    25   A,D,R  Serial4/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    25    26   U,D,R  Serial4/2 (HW IP ACCESS(5), HW IFINDEX(10001), HW SB CDP(6), Serial(3))

H    26    27   U,U,R  Serial4/3 (HW IFINDEX(10001), HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), Serial(3))

H    27    28   U,D,R  Serial4/4 (HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), HW IFINDEX(10001), Serial(3))

H    28    29   A,D,R  Serial4/5 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    29    30   A,D,R  Serial4/6 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    30    31   U,U,R  Serial4/7 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    31    32   U,U,R  Serial5/0 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))

H    32    33   U,U,R  Serial5/1 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    33    34   U,U,R  Serial5/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    34    35   U,U,R  Serial5/3 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    35    36   A,D,R  Serial6/0 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    36    37   A,D,R  Serial6/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    37    38   A,D,R  Serial6/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    38    39   A,D,R  Serial6/3 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))

H    39    40   U,U,R  Serial6/4 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))

H    40    41   U,U,R  Serial6/5 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    41    42   U,U,R  Serial6/6 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    42    43   A,D,R  Serial6/7 (HW IFINDEX(10001), HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), Serial(3))

H    43    80   U,D,R  NVI0

H    44    79   A,D,R  Multilink1 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    45    81   A,D,R  Multilink2 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))

H    46    82   U,D,R  Multilink3 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))

H    47    78   U,D,R  Loopback0 (HW IFINDEX(10001))

H    48    84   U,D,R  Loopback1 (HW IFINDEX(10001))

H    49    83   A,U,R  Loopback15 (HW IFINDEX(10001))

H    50     1   U,D,R  VoIP-Null0 MZ-EE-RT-3B#show idb

Maximum number of Software IDBs 1400.  In use 96.

                       HWIDBs     SWIDBs
Active                     50         61
Inactive                   35         35
Total IDBs                 85         96
Size each (bytes)        2912       1280
Total bytes            247520     122880

Type SIdx Idx  St,O,Sh Interface Name (subblocks)
---------------------------------------------------
H     1     2   U,U,R  FastEthernet0/0 (HW IFINDEX(10001), HW SB CDP(6), HSRP(7), MAC ADDR(2), Ether(1))
H     2     3   U,U,R  FastEthernet0/1 (HW IFINDEX(10001), HW SB CDP(6), HSRP(7), HW IP ACCESS(5), DOT1Q(8), MAC ADDR(2), Ether(1))
H     3     4   A,D,R  Serial1/0 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H     4     5   A,D,R  Serial1/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H     5     6   A,D,R  Serial1/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H     6     7   A,D,R  Serial1/3 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H     7     8   A,D,R  Serial1/4 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H     8     9   A,D,R  Serial1/5 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H     9    10   A,D,R  Serial1/6 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    10    11   A,D,R  Serial1/7 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    11    12   A,D,R  Serial2/0 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    12    13   A,D,R  Serial2/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    13    14   U,A,R  Serial2/2 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    14    15   U,D,R  Serial2/3 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    15    16   U,U,R  Serial2/4 (HW IFINDEX(10001), Frame relay(9), Serial(3))
H    16    17   A,D,R  Serial2/5 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    17    18   A,D,R  Serial2/6 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    18    19   U,U,R  Serial2/7 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    19    20   U,U,R  Serial3/0 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    20    21   U,A,R  Serial3/1 (HW IFINDEX(10001), HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), Serial(3))
H    21    22   U,U,R  Serial3/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    22    23   U,U,R  Serial3/3 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))
H    23    24   A,D,R  Serial4/0 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    24    25   A,D,R  Serial4/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    25    26   U,D,R  Serial4/2 (HW IP ACCESS(5), HW IFINDEX(10001), HW SB CDP(6), Serial(3))
H    26    27   U,U,R  Serial4/3 (HW IFINDEX(10001), HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), Serial(3))
H    27    28   U,D,R  Serial4/4 (HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), HW IFINDEX(10001), Serial(3))
H    28    29   A,D,R  Serial4/5 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    29    30   A,D,R  Serial4/6 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    30    31   U,U,R  Serial4/7 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    31    32   U,U,R  Serial5/0 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))
H    32    33   U,U,R  Serial5/1 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    33    34   U,U,R  Serial5/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    34    35   U,U,R  Serial5/3 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    35    36   A,D,R  Serial6/0 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    36    37   A,D,R  Serial6/1 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    37    38   A,D,R  Serial6/2 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    38    39   A,D,R  Serial6/3 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))
H    39    40   U,U,R  Serial6/4 (HW IFINDEX(10001), Frame relay(9), HW IP ACCESS(5), Serial(3))
H    40    41   U,U,R  Serial6/5 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    41    42   U,U,R  Serial6/6 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    42    43   A,D,R  Serial6/7 (HW IFINDEX(10001), HW IP ACCESS(5), HW SB CDP(6), Frame relay(9), Serial(3))
H    43    80   U,D,R  NVI0
H    44    79   A,D,R  Multilink1 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    45    81   A,D,R  Multilink2 (HW IFINDEX(10001), HW SB CDP(6), Serial(3))
H    46    82   U,D,R  Multilink3 (HW IFINDEX(10001), HW SB CDP(6), HW IP ACCESS(5), Serial(3))
H    47    78   U,D,R  Loopback0 (HW IFINDEX(10001))
H    48    84   U,D,R  Loopback1 (HW IFINDEX(10001))
H    49    83   A,U,R  Loopback15 (HW IFINDEX(10001))
H    50     1   U,D,R  VoIP-Null0

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Peter Paluch
Cisco Employee
Cisco Employee
In response to laerciotobias

‎06-21-2011 01:59 PM

Hello,

Please try to have a look at one of the following commands:

  • show interfaces
  • show controllers
  • show line

Perhaps one of them will either allow you to see or specify the unit ID, or will allow you to see the statistics of modem control changes which should be inordinately high compared to other ports.

Best regards,

Peter

View solution in original post

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4 Replies 4

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Peter Paluch
Cisco Employee
Cisco Employee

‎06-21-2011 12:59 PM

Hello,

I am not sure if that can be deduced from the show idb output. Is that the only logging message displayed? Can you perhaps have a look into show interfaces or show line output and search for excessive information about link up/down transitions?

Best regards,

Peter

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Go to solution
laerciotobias
Level 1
Level 1
In response to Peter Paluch

‎06-21-2011 01:39 PM

Hi peter,

With this log message there is some way to figure out what is the physical interface ?

Jun 16 15:22:50: %CIRRUS-5-LINEFLAP: Unit 11 excessive modem control changes

Thank you.

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Go to solution
Peter Paluch
Cisco Employee
Cisco Employee
In response to laerciotobias

‎06-21-2011 01:59 PM

Hello,

Please try to have a look at one of the following commands:

  • show interfaces
  • show controllers
  • show line

Perhaps one of them will either allow you to see or specify the unit ID, or will allow you to see the statistics of modem control changes which should be inordinately high compared to other ports.

Best regards,

Peter

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Go to solution
laerciotobias
Level 1
Level 1
In response to Peter Paluch

‎06-21-2011 02:43 PM

I think we got a winner.

This is regarding that modem log right ? "%CIRRUS-5-LINEFLAP: Unit 11" ->  "modem 1613"

CD2430 Slot 2, Port 3, Controller 0, Channel 3, Revision 19

Channel mode is synchronous serial

idb 0x64A16CD8, buffer size 1524, V.35 DTE cable

Global registers

  rpilr 0x2, rir 0x3, risr 0x0, rfoc 0x0, rdr 0x0

  tpilr 0x1, tir 0x2, tisr 0x68, tftc 0x0, tdr 0x1

  mpilr 0x3, mir 0x3, misr 0x20

  bercnt 0xFF, stk 0x0

Per-channel registers for channel 3

  Option registers

  0x02 0x00 0x42 0xE7 0xE0 0x00 0x00

  Command and status registers

  cmr 0xC0, ccr 0x00, csr 0xCC, msvr-rts 0xF1, msvr-dtr 0xF1

  Clock option registers

  rcor 0x06, rbpr 0x01, tcor 0xC8, tbpr 0x01

  Interrupt registers

  ier 0x89, livr 0x0C, licr 0x0C

  DMA buffer status 0x0A

  DMA receive registers

  arbaddr 0x767A624, arbcnt 1548, arbsts 0x1

  brbaddr 0x7679FA4, brbcnt 1548, brbsts 0x1

  rcbaddr 0x76792B2

  DMA transmit registers

  atbaddr 0x7401394, atbcnt 14, atbsts 0x62

  btbaddr 0x7772774, btbcnt 14, btbsts 0x62

  tcbaddr 0x74013A2

  Special character registers

  schr1 0x00, schr2 0x00, schr3 0x00, schr4 0x00

  scrl 0x0, scrh 0x0, lnxt 0xD1

Driver context information

  Context structure 0x64A18FFC, Register table 0x3E000400

  Serial Interface Control 5:1 Register (0x3E00080E) is 0x0

  Adaptor Flags 0x0

  Serial Modem Control Register (0x3E000810) is 0x18

  Receive static buffer 0x64A1A2A0

  Receive particle buffers 0x64A19740, 0x64A19700

  Transmit DMA buffers 0x0, 0x0, 0x0, 0x0

  Transmit packet with particles 0x0, first word is 0x0

  Interrupt rates (per second) transmit 0, receive 0, modem 1613

  True fast-switched packets    0

  Semi fast-switched packets    0

  Transmitter hang count        0

  Residual indication count     0

  Bus error count       0

  Aborted short frames count    29

  CRC short frames count        54

  Tx DMA low threshold count    1

Error counters

  CTS deassertion failures      0

  Nested interrupt errors transmit 0, receive 0, modem 0

CD2430 Slot 2, Port 3, Controller 0, Channel 3, Revision 19
Channel mode is synchronous serial
idb 0x64A16CD8, buffer size 1524, V.35 DTE cable

Global registers
  rpilr 0x2, rir 0x3, risr 0x0, rfoc 0x0, rdr 0x0
  tpilr 0x1, tir 0x2, tisr 0x68, tftc 0x0, tdr 0x1
  mpilr 0x3, mir 0x3, misr 0x20
  bercnt 0xFF, stk 0x0
Per-channel registers for channel 3
  Option registers
  0x02 0x00 0x42 0xE7 0xE0 0x00 0x00
  Command and status registers
  cmr 0xC0, ccr 0x00, csr 0xCC, msvr-rts 0xF1, msvr-dtr 0xF1
  Clock option registers
  rcor 0x06, rbpr 0x01, tcor 0xC8, tbpr 0x01
  Interrupt registers
  ier 0x89, livr 0x0C, licr 0x0C
  DMA buffer status 0x0A
  DMA receive registers
  arbaddr 0x767A624, arbcnt 1548, arbsts 0x1
  brbaddr 0x7679FA4, brbcnt 1548, brbsts 0x1
  rcbaddr 0x76792B2
  DMA transmit registers
  atbaddr 0x7401394, atbcnt 14, atbsts 0x62
  btbaddr 0x7772774, btbcnt 14, btbsts 0x62
  tcbaddr 0x74013A2
  Special character registers
  schr1 0x00, schr2 0x00, schr3 0x00, schr4 0x00
  scrl 0x0, scrh 0x0, lnxt 0xD1
Driver context information
  Context structure 0x64A18FFC, Register table 0x3E000400
  Serial Interface Control 5:1 Register (0x3E00080E) is 0x0
  Adaptor Flags 0x0
  Serial Modem Control Register (0x3E000810) is 0x18
  Receive static buffer 0x64A1A2A0
  Receive particle buffers 0x64A19740, 0x64A19700
  Transmit DMA buffers 0x0, 0x0, 0x0, 0x0
  Transmit packet with particles 0x0, first word is 0x0
  Interrupt rates (per second) transmit 0, receive 0, modem 1613
  True fast-switched packets    0
  Semi fast-switched packets    0
  Transmitter hang count        0
  Residual indication count     0
  Bus error count       0
  Aborted short frames count    29
  CRC short frames count        54
  Tx DMA low threshold count    1
Error counters
  CTS deassertion failures      0
  Nested interrupt errors transmit 0, receive 0, modem 0

also i got the show diag output. and with the math matches the number.

Please let me know if this is correct.

Slot 1:

        Sync/Async Port adapter, 8 ports

        Port adapter is analyzed

        

Slot 2:

        Sync/Async Port adapter, 8 ports

        Port adapter is analyzed

        Port adapter insertion time 1y14w ago

        EEPROM contents at hardware discovery:

        Hardware revision 1.0           Board revision J0

        Serial number     25149990      Part number    800-01225-02

        FRU Part Number     NM-8A/S=

        Test history      0x0           RMA number     00-00-00

        EEPROM format version 1

        EEPROM contents (hex):

          0x00: 01 25 01 00 01 7F C2 26 50 04 C9 02 00 00 00 00

          0x10: 98 00 00 00 01 01 26 17 FF FF FF FF FF FF FF FF

          0x20: FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

          0x30: FF FF FF FF FF FF FF FF FF FF FF FFSlot 1:
        Sync/Async Port adapter, 8 ports
        

Thank you very much.

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