show service-module serial
To display the performance report for an integrated CSU/DSU, use the showservice-moduleserial command in privileged EXEC mode.
show service-module serial number [performance-statistics [interval-range] ]
Syntax Description
number |
Interface number 0 or 1. |
performance-statistics |
(Optional) Displays the CSU/DSU performance statistics for the past 24 hours. This keyword applies only to the fractional T1/T1 module. |
interval-range |
(Optional) Specifies the number of 15-minute intervals displayed. You can choose a range from 1 to 96, where each value represents the CSU/DSU activity performed in that 15-minute interval. For example, a range of 2-3 displays the performance statistics for the intervals two and three. |
Command Modes
Privileged EXEC
Command History
Release |
Modification |
---|---|
11.2 |
This command was introduced. |
12.2(33)SRA |
This command was integrated into Cisco IOS Release 12.2(33)SRA. |
12.2SX |
This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX release of this train depends on your feature set, platform, and platform hardware. |
Usage Guidelines
This command applies to the 2- and 4-wire 56/64-kbps CSU/DSU module and FT1/T1 CSU/DSU module. The performance-statistics keyword applies only to the FT1/T1 CSU/DSU module.
Examples
The following sample output shows CSU/DSU performance statistics on a Cisco 2524 or Cisco 2525 router for intervals 30 to 32. Each interval is 15 minutes long. All the data is zero because no errors were discovered on the T1 line:
Router#
show service-module serial 1 performance-statistics 30-32
Total Data (last 58 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
Data in current interval (131 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
Data in Interval 30:
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
Data in Interval 31:
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
Data in Interval 32:
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
The following is sample output from the showservice-moduleserial command for a fractional T1 line:
Router1# show service-module serial 0
Module type is T1/fractional
Hardware revision is B, Software revision is 1.1 ,
Image checksum is 0x2160B7C, Protocol revision is 1.1
Receiver has AIS alarm,
Unit is currently in test mode:
line loopback is in progress
Framing is ESF, Line Code is B8ZS, Current clock source is line,
Fraction has 24 timeslots (64 Kbits/sec each), Net bandwidth is 1536 Kbits/sec.
Last user loopback performed:
remote loopback
Failed to loopup remote
Last module self-test (done at startup): Passed
Last clearing of alarm counters 0:05:50
loss of signal : 1, last occurred 0:01:50
loss of frame : 0,
AIS alarm : 1, current duration 0:00:49
Remote alarm : 0,
Module access errors : 0,
Total Data (last 0 15 minute intervals):
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
Data in current interval (351 seconds elapsed):
1466 Line Code Violations, 0 Path Code Violations
25 Slip Secs, 49 Fr Loss Secs, 40 Line Err Secs, 1 Degraded Mins
0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 49 Unavail Secs
The following sample output from the showservice-moduleserial command displays the status of a switched 56-KB line:
Router1# show service-module serial 1
Module type is 4-wire Switched 56
Hardware revision is B, Software revision is 1.00,
Image checksum is 0x44453634, Protocol revision is 1.0
Connection state: active,
Receiver has loss of signal, loss of sealing current,
Unit is currently in test mode:
line loopback is in progress
Current line rate is 56 Kbits/sec
Last user loopback performed:
dte loopback
duration 00:00:58
Last module self-test (done at startup): Passed
Last clearing of alarm counters 0:13:54
oos/oof : 3, last occurred 0:00:24
loss of signal : 3, current duration 0:00:24
loss of sealing curren: 2, current duration 0:04:39
loss of frame : 0,
rate adaption attempts: 0,
The following shows sample output from the showservice-moduleserial command issued on a Cisco 3640 modular access router:
Router# show service-module serial 0/1
Module type is 4-wire Switched 56
Hardware revision is B, Software revision is 1.00,
Image checksum is 0x42364436, Protocol revision is 1.0
Connection state: Idle
Receiver has no alarms.
CSU/DSU Alarm mask is 0
Current line rate is 56 Kbits/sec
Last module self-test (done at startup): Passed
Last clearing of alarm counters 4d02h
oos/oof : 0,
loss of signal : 0,
loss of sealing curren: 0,
loss of frame : 0,
rate adaptation attemp: 0,
The following shows sample output from the showservice-moduleserial command issued on a Cisco 1605 router:
Router# show service-module serial 0
Module type is 4-wire Switched 56
Hardware revision is B, Software revision is 1.00,
Image checksum is 0x42364436, Protocol revision is 1.0
Receiver has oos/oof, loss of signal,
CSU/DSU Alarm mask is 4
Current line rate is 56 Kbits/sec
Last module self-test (done at startup): Passed
Last clearing of alarm counters 1d02h
oos/oof : 1, current duration 1d02h
loss of signal : 1, current duration 1d02h
loss of frame : 0,
rate adaptation attemp: 0,
The table below describes the fields displayed by the showservice-moduleserial command.
Field |
Description |
---|---|
Module type |
CSU/DSU module installed in the router. The possible modules are T1/fractional, 2-wire switched 56-kbps, and 4-wire 56/64-kbps. |
Receiver has AIS alarm |
Alarms detected by the FT1/T1 CSU/DSU module or 2- and 4-wire 56/64-kbps CSU/DSU modules. Possible T1 alarms are as follows:
Possible switched 56k alarms are as follows:
|
Unit is currently in test mode |
Loopback tests are in progress. |
Framing |
Indicates frame type used on the line. Can be extended super frame or super frame. |
Line Code |
Indicated line-code type configured. Can be alternate mark inversion (AMI) or binary 8-zero substitution (B8ZS). |
Current clock source |
Clock source configured on the line, which can be supplied by the service provider (line) or the integrated CSU/DSU module (internal). |
Fraction |
Number of time slots defined for the FT1/T1 module, which can range from 1 to 24. |
Net bandwidth |
Total bandwidth of the line (for example, 24 time slots multiplied by 64 kbps equals a bandwidth of 1536 kbps). |
Last user loopback performed |
Type and outcome of the last performed loopback. |
Last module self-test (done at startup): Passed |
Status of the last self-test performed on an integrated CSU/DSU module. |
Last clearing of alarm counters |
List of network alarms that were detected and cleared on the CSU/DSU module. |
Total Data Data in current interval |
Shows the current accumulation period, which rolls into the 24-hour accumulation every 15 minutes. The oldest 15-minute period falls off the back of the 24-hour accumulation buffer. |
Line Code Violations |
Indicates the occurrence of either a bipolar violation or excessive zeroes error event. |
Path Code Violations |
Indicates a frame synchronization bit error in the D4 and E1-no cyclic redundancy checksum (CRC) formats or a CRC error in the extended super frame (ESF) and E1-CRC formats. |
Slip Secs |
Indicates the replication or detection of the payload bits of a DS1 frame. A slip may be performed when there is a difference between the timing of a synchronous receiving terminal and the received signal. |
Fr Loss Secs |
Indicates the number of seconds an Out-of-Frame error is detected. |
Line Err Secs |
Line errored seconds is a second in which one or more line code violation errors are detected. |
Errored Secs |
In ESF and E1-CRC links, an errored second is a second in which one of the following is detected: one or more path code violations; one or more Out-of-Frame defects; one or more controlled slip events; a detected AIS defect. For D4 and E1-no-CRC links, the presence of bipolar violation also triggers an errored second. |
Bursty Err Secs |
Second with fewer than 320 and more than 1 path coding violation errors. No severely errored frame defects or incoming AIS defects are detected. Controlled slips are not included in this parameter. |
Severely Err Secs |
For ESF signals, a second with one of the following errors: 320 or more path code violation errors; one or more Out-of-Frame defects; a detected AIS defect. For D4 signals, a count of 1-second intervals with framing errors, or an Out-of-Frame defect, or 1544 line code violations. |
Unavail Secs |
Total time the line was out of service. |