Monitoring Interfaces

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JUNOSe 9.1.x Physical Layer Configuration Guide > Configuring Channelized OCx/STMx Interfaces > Monitoring Interfaces
Monitoring Interfaces

To display statistics for channelized SONET and SDH interfaces, use the show controllers sonet command. The following section describes some of the options for the command and shows some sample displays.

From User Exec mode, use the following show commands to monitor and display the T3, T1/E1, and HDLC serial data channel information:
Display E1 or T1 statistics for E1 or T1 over a VT.
host1#show controllers sonet 2/0 e1
Display T3 statistics.
host1#show controllers sonet 2/1 ds3
Display statistics for the section, line, path, and tributary layers.
host1#show controllers sonet 2/1 section
Display the configuration for channelized SONET and SDH interfaces.
host1#show controllers sonet 2/0 configuration
Display statistics for serial interfaces.
host1#show interfaces serial 2/0:1/1/1/1/1
Setting a Baseline

You can set statistics baselines for serial interfaces, subinterfaces, and circuits using the baseline interface serial command. You can also set statistics baselines for the section, line, and path layers using the baseline interface sonet command. Use the delta options with the show commands to display statistics with the baseline subtracted.

Output Filtering

You can use the output filtering feature of the show command to include or exclude lines of output based on a text string you specify. See JUNOSe System Basics Configuration Guide, Chapter 2, Command-Line Interface, for details.

baseline interface serial
Use to set a statistics baseline for serial interfaces.

The router implements the baseline by reading and storing the statistics at the time the baseline is set and then subtracting this baseline whenever baseline-relative statistics are retrieved.

Use the delta keyword with the show interfaces serial command to view the baseline statistics.

Example
host1#baseline interface serial 2/0:1/1
There is no no version.
baseline line interface sonet
Use to set a statistics baseline for the SONET/SDH line layer.

The router implements the baseline by reading and storing the MIB statistics at the time the baseline is set and then subtracting this baseline whenever baseline-relative statistics are retrieved.

Use the total [ delta ] keywords with the show controllers sonet line command to view the baseline statistics.

Example
host1#baseline line interface sonet 2/0
There is no no version.
baseline path interface sonet
Use to set a statistics baseline for the SONET/SDH path layer.

The router implements the baseline by reading and storing the MIB statistics at the time the baseline is set and then subtracting this baseline whenever baseline-relative statistics are retrieved.

Use the total [ delta ] keywords with the show controllers sonet path command to view the baseline statistics.

Example
host1#baseline path interface sonet 2/0:1
There is no no version.
baseline section interface sonet
Use to set a statistics baseline for the SONET/SDH section layer.

The router implements the baseline by reading and storing the MIB statistics at the time the baseline is set and then subtracting this baseline whenever baseline-relative statistics are retrieved.

Use the total [ delta ] keywords with the show controllers sonet section command to view the baseline statistics.

Example
host1#baseline section interface sonet 2/0
There is no no version.
show controllers sonet configuration

Use to display the configuration for channelized SONET and SDH interfaces.

Specify an interface in slot/port format.

To view information for a controller and all layers above that controller, specify a controller. For example, to view all controllers on interface 3/0, use show controllers sonet 3/0 configuration. To view information for path 1 only, use show controllers sonet 3/0:1 configuration.

Field descriptions

Interface specifier in slot/port format

channelized—Number of channels and speed for the interface

ifAdminStatus—Configured status of the interface: up or down

description—Configured description of the controller

snmp trap link-status—State of SNMP link status processing for the section and line layers of the interface: enabled or disabled

alarms used for operational status calculation—Types of defects that the router uses to determine the operational status of the interface at the section and line layers

defect trigger soaking delay—Time that the router waits to set an alarm when the router records a defect at the section or line layer

Operational Status—Physical state of the interface:

up—Interface is operational

down, failure alarm—Interface is not operational; type of defect that caused failure is specified

time since last status change—Time since the line module was rebooted

Loopback State—Type of loopback configured at this layer in the interface, or none

Last Remote Loopback Request Sent

BERT test—Number of current test and total number of tests

Test interval—Length of the BERT test

status—Sync (controller is synchronized with remote device) or NoSync (controller is not synchronized with remote device

Sync count—Number of times the pattern detector synchronized with the incoming data pattern

Received bit count—Number of bits received

Error bit count—Number of bits with errors

Mode—Type of interface: SONET or SDH

Timing source—Type of clock source configured for the channel:

internal module—Internal clock is from the line module itself

chassis—Internal clock is from the configured router clock

Current section alarms—Number of suspect bit patterns found in several consecutive frames in section layer, or none

Current line alarms—Number of suspect bit patterns found in several consecutive frames in line layer

Channel configuration—Parameters for specific controllers; the actual parameters depend on the controller.

ifAdminStatus—State of the controller in the software configuration: up or down

ifOperStatus—Physical state of the controller: up or down

Time since last status change—Time the controller has been up or down

Alarms—Number of suspect bit patterns found in several consecutive frames

snmp trap link-status—State of SNMP link status processing for the controller: enabled or disabled

alarms used for operational status calculation—Types of defects that the router uses to determine the operational status of the interface at the path layer

defect trigger soaking delay—Time that the router waits to set an alarm when the router records a defect at the path layer

c2 byte—Setting of path signal byte: set by upper interface type (automatic setting) or configured value

Operational Status—Physical state of this layer: up, down, or lowerLayerDown

time since last status change—Time since the line module was rebooted

Framing—Type of framing configured for the controller:

c-bit parity framing (for T3 interfaces)

M23 multiplexer framing (for T3 interfaces)

crc4—Cyclic redundancy check (for E1 interfaces)

no-crc4—No cyclic redundancy check (for E1 interfaces)

esf—Extended superframe (for T1 interfaces)

sf—Superframe (for T1 interfaces)

Line Code—Type of line coding the router assigned to the controller: B8ZS or AMI

Clock source—Type of clock source configured for the channel:

module—Internal clock is from the line module itself

chassis—Internal clock is from the configured router clock

J1 transmit trace message—Trace message sent to the remote device

J1 expected trace message—Trace message expected from the remote device

J1 received trace message—Trace message received from the remote device
Example 1
host1#show controllers sonet 3/0 configuration
oc12 3/0
non channelized
ifAdminStatus: up
description: link1
snmp trap link-status: enabled
alarms used for operational status calculation: LOS LOF AIS RDI
defect trigger soaking delay: 2500 milliseconds
Operational Status: up
      time since last status change: 00:03:30
Loopback State: none
Mode: sonet
Timing source: internal module
Receive FIFO Overruns: 0, Reconfigurations: 0
Current section defects: none
Current line    defects: none
Channel configuration:
channel = 0, path = oc12, hierarchy = 1/1/0/0, current path defects: none
 ifAdminStatus: up
 snmp trap link-status: disabled
 alarms used for operational status calculation: LOP AIS
 defect trigger soaking delay: 2500 milliseconds
 c2 byte override 20
 Operational Status: up
       time since last status change: 00:03:30
 J1 transmit trace message: sonet3/0
 J1 expected trace message: sonet4/0
 J1 received trace message: sonet4/0 
Example 2—If you do not specify the layer in the interface, the router shows the configuration for all layers, whether or not you specify the keyword configuration.
host1#show controllers sonet 2/1
oc3 2/1
channelized (3 channels, oc1 minimum speed)
ifAdminStatus: up
description: link1
snmp trap link-status: enabled
alarms used for operational status calculation: LOS LOF AIS RDI
defect trigger soaking delay: 2500 milliseconds
Operational Status: up
      time since last status change: 00:03:30
Operational Status: up
      time since last status change: 00:06:49
Loopback State: none
Mode: sonet
Timing source: internal module
Current section alarms: none
Current line alarms   : none
Channel configuration:
channel = 1, path = oc1, hierarchy = 1/1/1/1, current path alarms: none
 ifAdminStatus: up
 snmp trap link-status: disabled
 alarms used for operational status calculation: LOP AIS
 defect trigger soaking delay: 2500 milliseconds
 c2 byte override 20
Operational Status: up
       time since last status change: 00:06:49
Ds3 1, unchannelized
 ifOperStatus =  ifOperUp
 snmp trap link-status = disabled
 Framing is C-BIT, Line Code is B3ZS, Clock Source is Internal - Module
Example 3—This example displays the configuration for T3 1/1 on slot 2, port 1.
host1#show controllers sonet 2/1:1/1
oc3 2/1
channelized (3 channels, oc1 minimum speed)
ifAdminStatus: up
description: link1
snmp trap link-status: enabled
alarms used for operational status calculation: LOS LOF AIS RDI
defect trigger soaking delay: 2500 milliseconds
Operational Status: up
      time since last status change: 00:03:30
Loopback State: none
Mode: sonet
Timing source: internal module
Current section alarms: none
Current line alarms   : none
Channel configuration:
channel = 1, path = oc1, hierarchy = 1/1/1/1, current path alarms: none
 ifAdminStatus: up
 snmp trap link-status: disabled
 alarms used for operational status calculation: LOP AIS
 defect trigger soaking delay: 2500 milliseconds
 c2 byte override 20
Operational Status: up
       time since last status change: 00:05:37
Ds3 1, unchannelized
 ifOperStatus =  ifOperUp
 snmp trap link-status = disabled
 Framing is C-BIT, Line Code is B3ZS, Clock Source is Internal - Module 
show controllers sonet ds1|e1

Use to display E1 or T1 (DS1) statistics for the different layers in channelized SONET and SDH interfaces. Figure 8 shows the layers in the interface.

For definitions of the MIB statistics, see RFC 2495—Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface Types (January 1999).

Specify an interface in slot/port format.

To view information for a specific controller in a layer, enter the specifier for the controller and the type for the controller. For example, to view the E1 controller 1/1/1 on path 1 on the interface 4/0, enter show controllers sonet 4/0:1/1/1/1 e1.

To view information for all controllers above a particular layer, enter the specifier for the layer and the type for the controller. For example, to view all E1 controllers on the interface 4/0 path 1, enter show controllers sonet 4/0:1 e1.

To view E1 or T1 statistics for a layer, specify the controller type, e1 or ds1.

To view the configuration for a controller or all controllers in a layer, omit the controller type.

Field descriptions

Description—Text description or alias if configured for the interface

BERT test—Number of current test and total number of tests

Test interval—Length of the BERT test

status—Sync (controller is synchronized with remote device) or NoSync (controller is not synchronized with remote device

Sync count—Number of times the pattern detector synchronized with the incoming data pattern

Received bit count—Number of bits received

Error bit count—Number of bits with errors

Number of valid intervals—Number of 15-minute intervals since the line module was last powered on or reset

Time elapsed in current interval—Reported in 15-minute intervals

Errored seconds—Number of errored seconds encountered by a T1 or an E1 in the current interval

Severely errored seconds—Number of severely errored seconds encountered by a T1 or an E1 in the current interval

Severely errored frame seconds—Number of severely errored framing seconds encountered by a T1 or an E1 in the current interval

Unavailable seconds—Number of unavailable seconds encountered by a T1 or an E1 in the current interval

Clock slip seconds—Number of clock slips encountered by a T1 or an E1 in the current interval

Path code violations—Number of coding violations encountered by a T1 or an E1 in the current interval

Line errored seconds—Number of line errored seconds encountered by a T1 or an E1 in the current interval

Bursty errored seconds—Number of bursty errored seconds encountered by a T1 or an E1 in the current interval

Degraded minutes—Number of minutes that a T1 or an E1 line is degraded

Line code violations—Number of line code violations encountered by a T1 or an E1 in the current interval
Example—This example displays statistics for all the E1 lines on the interface 2/0.
host1#show controllers sonet 2/0 e1
E1 1/1/1
Description: boston111 e1
BERT test - 2 in 11
Test Interval 1 minute(s), Running - Status is Sync
0 minute(s), 33 second(s) left in test interval
Sync count         = 1
Received bit count = 41472000
Error bit count    = 0
 Number of valid interval - 0
 Time elapse in current interval - 0
Current Interval Counters
Errored seconds                  = 0
Severely errored second          = 0
Severely errored frame seconds   = 0
Unavailable seconds              = 0
Clock slip seconds               = 0
Path code violations             = 0
Line errored seconds             = 0
Bursty errored seconds           = 0
Degraded minutes                 = 0
Line code violations             = 0
24 Hour Total Counters
Errored seconds                  = 0
Severely errored second          = 0
Severely errored frame seconds   = 0
Unavailable seconds              = 0
Clock slip seconds               = 0
Path code violations             = 0
Line errored seconds             = 0
Bursty errored seconds           = 0
Degraded minutes                 = 0
Line code violations             = 0
show controllers sonet ds3

Use to display T3 statistics for the different layers in channelized SONET and SDH interfaces. Figure 8 shows the layers in the interface.

For definitions of the MIB statistics, see RFC 2496—Definitions of Managed Objects for the DS3/E3 Interface Types (January 1999).

Specify an interface in slot/port format.

To view information for a specific controller in a layer, enter the specifier for the controller and the type for the controller. For example, to view T3 controller 1 on path 1 on the interface 4/0, enter show controllers sonet 4/0:1/1 ds3.

To view information for all controllers above a particular layer, enter the specifier for the layer and the type for the controller. For example, to view all DS3 controllers on the interface 4/0, enter show controllers sonet 4/0 ds3.

To view T3 statistics for a layer, specify the controller type, ds3.

To view the configuration for a controller or all controllers in a layer, omit the controller type.

Field descriptions

Description—Text description or alias if configured for the interface

BERT test—Number of current test and total number of tests

Test interval—Length of the BERT test

status—Sync (controller is synchronized with remote device) or NoSync (controller is not synchronized with remote device

Sync count—Number of times the pattern detector synchronized with the incoming data pattern

Received bit count—Number of bits received

Error bit count—Number of bits with errors

Number of valid intervals—Number of 15-minute intervals since the line module was last powered on or reset

Time elapse in current interval—Time (seconds) passed in current interval

Current Interval Counters—Statistics for the current 15-minute interval

P-bit errored seconds—Number of errored seconds encountered by a T3

P-bit severely errored seconds—Number of severely errored seconds encountered by a T3

Severely errored frame seconds—Number of severely errored framing seconds encountered by a T3

Unavailable seconds—Number of unavailable seconds encountered by a T3

Line code violations—Number of line code violations encountered by a T3

P-bit coding violations—Number of coding violations encountered by a T3

Line errored seconds—Number of line errored seconds encountered by a T3

C-bit coding violations—Number of C-bit coding violations encountered by a T3

C-bit errored seconds—Number of C-bit errored seconds encountered by a T3

C-bit severely errored seconds—Number of C-bit severely errored seconds encountered by a T3

24 Hour Total counters—Statistics for last 24 hours
Example 1—This example shows all T3 controllers on the interface 2/1.
host1#show controllers sonet 2/1 ds3
Ds3 1
Description: ottawa211 ds3
 Number of valid interval - 0
 Time elapse in current interval - 696
Current Interval Counters
P-bit errored seconds          = 0
P-bit severely errored seconds = 0
Severely errored frame seconds = 0
Unavailable seconds            = 541
Line code violations           = 0
P-bit coding violations        = 0
Line errored seconds           = 0
C-bit coding violations        = 0
C-bit errored seconds          = 0
C-bit severely errored seconds = 0
24 Hour Total Counters
P-bit errored seconds          = 0
P-bit severely errored seconds = 0
Severely errored frame seconds = 0
Unavailable seconds            = 0
Line code violations           = 0
P-bit coding violations        = 0
Line errored seconds           = 0
C-bit coding violations        = 0
C-bit errored seconds          = 0
C-bit severely errored seconds = 0
Example 2—This example shows statistics for the T3 controller 1/1 on interface 2/0.
host1#show controllers sonet 2/0:1/1 ds3
Ds3 1
Description: ottawa2011 ds3
Number of valid interval - 0
 Time elapse in current interval - 534
Current Interval Counters
P-bit errored seconds          = 0
P-bit severely errored seconds = 0
Severely errored frame seconds = 0
Unavailable seconds            = 117
Line code violations           = 0
P-bit coding violations        = 0
Line errored seconds           = 0
C-bit coding violations        = 0
C-bit errored seconds          = 0
C-bit severely errored seconds = 0
24 Hour Total Counters
P-bit errored seconds          = 0
P-bit severely errored seconds = 0
Severely errored frame seconds = 0
Unavailable seconds            = 0
Line code violations           = 0
P-bit coding violations        = 0
Line errored seconds           = 0
C-bit coding violations        = 0
C-bit errored seconds          = 0
C-bit severely errored seconds = 0
show controllers sonet line | path | section | tributary

Use to display statistics for the different layers in channelized SONET and SDH interfaces. Figure 8 shows the layers in the interface.

For definitions of the MIB statistics, see RFC 2558—Definitions of Managed Objects for the SONET/SDH Interface Type (March 1999).

Specify an interface in slot/port format.

To view information for a specific controller in a layer, enter the specifier for the controller and the type for the controller. For example, to view tributary 1/1/1 on path 1 of interface 4/0, enter show controllers sonet 4/0:1/1/1/1 tributary.

To view information for all controllers above a particular layer, enter the specifier for the layer and the type for the controller. For example, to view all tributaries on path 1 of interface 4/0, enter show controllers sonet 4/0:1 tributary.

To view statistics for a layer, specify the type of layer.

To view the configuration for a controller or all controllers in a layer, omit the controller type.

To view all statistics for all sessions, specify the total keyword.

To view baselined statistics for all intervals, specify the delta total keywords.

Field descriptions

Current Interval Counters—Statistics for the current 15-minute interval

Errored seconds—Number of errored seconds encountered by a T1 or an E1 in an interval

Severly errored seconds—Number of severely errored seconds encountered in an interval

Severly errored framing seconds—Number of severely errored framing seconds encountered in an interval

Coding violations—Number of coding violations encountered in an interval

Unavailable seconds—Number of unavailable seconds encountered in an interval

Last Interval Counters—Statistics for the previous 15-minute interval

Current Far End Interval Counters—Statistics for the remote connection associated with the SONET/SDH path in the current 15-minute interval

Last Far End Interval Counters—Statistics for the remote connection associated with the SONET/SDH path in the previous 15-minute interval

Total interval counters—Shows the statistics for all intervals or baselined statistics
Example 1—This example shows the MIB statistics for the section layer on interface 2/1.
host1#show controllers sonet 2/1 section
Current Section Interval Counters
Current status                   = No Defect
Errored seconds                  = 0
Severly errored seconds          = 0
Severely errored framing seconds = 0
Coding violations                = 0
Last Section Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Severely errored framing seconds = 0
Coding violations                = 0
Example 2—This example illustrates the behavior of the baseline section interface sonet command. The examples show the MIB statistics of the section layer before and after the command is issued.
host1#show controllers sonet 2/0 section total
Number of valid intervals - 0
 Time elapsed in current interval - 192
Current Section Interval Counters
Current status                   = No Defect
Errored seconds                  = 68
Severly errored seconds          = 68
Severely errored framing seconds = 2
Coding violations                = 4018
Total Section Counters
Errored seconds                  = 68
Severly errored seconds          = 68
Severely errored framing seconds = 2
Coding violations                = 4018
host1#baseline section interface sonet 2/0
host1#show controllers sonet 2/0 section total delta
Number of valid intervals - 0
 Time elapsed in current interval - 209
Current Section Interval Counters
Current status                   = No Defect
Errored seconds                  = 68
Severly errored seconds          = 68
Severely errored framing seconds = 2
Coding violations                = 4018
Total Section Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Severely errored framing seconds = 0
Coding violations                = 0 
Example 3—This example shows the MIB statistics for the line layer on interface 2/1.
host1#show controllers sonet 2/1 line
Current Line Interval Counters
Current status                   = No Defect
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 190
Last Line Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 900
Current Far End Line Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Far End Last Line Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Example 4—This example shows the MIB statistics for the path layer on interface 2/1.
host1#show controllers sonet 2/1 path
Channel number 1
Current Path Interval Counters
Current status                   = No Defect
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 248
Last Path Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Current Far End Path Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 248
Far End Last Path Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Example 5—This example displays the tributary statistics for all tributaries on interface 4/0, path 1.
host1#show controllers sonet 4/0:1 tributary
Tributary 1/1/1
Current Tributary Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Last Tributary Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Current Far End Path Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Far End Last Tributary Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Example 6—This example displays the tributary statistics for the tributary 1/1/1 on path 1 on slot 4, port 0.
host1#show controllers sonet 4/0:1/1/1/1 tributary
Tributary 1/1/1
Current Tributary Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Last Tributary Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Current Far End Path Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
Far End Last Tributary Interval Counters
Errored seconds                  = 0
Severly errored seconds          = 0
Coding violations                = 0
Unavailable seconds              = 0
show controllers sonet remote

Use to display MIB statistics for the remote end of a channelized T3 interface configured for MDL or for the remote end of a T1 channel configured for FDL.

Specify the all option to display detailed information for all 15-minute intervals.

For definitions of the MIB statistics for a T3 connections, see RFC 2496—Definitions of Managed Objects for the DS3/E3 Interface Types (January 1999).

For definitions of the MIB statistics for a T1 connections, see RFC 2495—Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface Types (January 1999).

Field descriptions for a T3 interface

Far End MDL Carrier bit—Status of MDL configuration on remote device connected to T3 interface

set—MDL is configured for carrier mode

not set—MDL is not configured for carrier mode

Far End Equipment Identification Code—eic string sent by remote device for MDL

Far End Line Identification Code—lic string sent by remote device for MDL

Far End Frame Identification Code—fic string sent by remote device for MDL

Far End Unit Identification Code—unit string sent by remote device for MDL

Far End Facility Identification Code—pfi string sent by remote device for MDL

Far End Generator Number—generator string sent by remote device for MDL

Far End Port Number—port string sent by remote device for MDL

Number of valid intervals—Number of 15-minute intervals since the line module was last powered on or reset

Time elapse in current interval—Number of seconds that have passed in the 15-minute (900-second) interval

C-bit errored seconds—Number of C-bit errored seconds encountered by a T3 in the current interval

C-bit severely errored seconds—Number of C-bit severely errored seconds encountered by a T3 in the current interval

C-bit coding violations—Number of C-bit coding violations encountered by a T3 in the current interval

Unavailable seconds—Number of unavailable seconds encountered by a T3 in the current interval

Invalid seconds—Number of seconds when statistics were not collected

Field descriptions for a T1 channel

DS1—Identifier of T1 channel

Number of valid intervals—Number of 15-minute intervals since the line module was last powered on or reset

Time elapse in current interval—Number of seconds that have passed in the 15-minute (900-second) interval

Far End FDL Carrier bit—Status of FDL configuration on remote device connected to T1 channel

set—FDL is configured for carrier mode

not set—FDL is not configured for carrier mode

Far End Equipment Identification Code—eic string sent by remote device for FDL

Far End Line Identification Code—lic string sent by remote device for FDL

Far End Frame Identification Code—fic string sent by remote device for FDL

Far End Unit Identification Code—unit string sent by remote device for FDL

Far End Facility Identification Code—pfi string sent by remote device for FDL

Far End Generator Number—generator string sent by remote device for FDL

Far End Port Number—port string sent by remote device for FDL

Errored seconds—Number of errored seconds encountered by a T1 in the current interval

Severely errored seconds—Number of severely errored seconds encountered by a T1 in the current interval

Severely errored frame seconds—Number of severely errored framing seconds encountered by a T1 in the current interval

Unavailable seconds—Number of unavailable seconds encountered by a T1 in the current interval

Clock slip seconds—Number of clock slips encountered by a T1 in the current interval

Path code violations—Number of coding violations encountered by a T1 in the current interval

number of coding violations encountered by a T1 in the current interval

Line errored seconds—Number of line errored seconds encountered by a T1 in the current interval

Bursty errored seconds—Number of bursty errored seconds encountered by a T1 in the current interval

Degraded minutes—Number of minutes that a T1 line is degraded
Example 1—In this example, a T3 interface is specified.
host1#show controllers sonet 5/0:1/1 remote
Far End MDL Carrier bit is not set
Far End Equipment Identification Code is the null string
Far End Line Identification Code is the null string
Far End Frame Identification Code is the null string
Far End Unit Identification Code is the null string
Far End Facility Identification Code is the null string
Far End Generator Number is the null string
Far End Port Number is the null string
Number of valid interval - 3
Time elapse in current interval - 756
Ds3 Current Interval Counters
C-bit errored seconds          = 0
C-bit severely errored seconds = 0
C-bit coding violations        = 0
Unavailable seconds            = 0
Invalid seconds                = 0
Ds3 Last Interval Counters
C-bit errored seconds          = 0
C-bit severely errored seconds = 0
C-bit coding violations        = 0
Unavailable seconds            = 0
Invalid seconds                = 0
Ds3 24 Hour Total Counters
C-bit errored seconds          = 1
C-bit severely errored seconds = 1
C-bit coding violations        = 330
Unavailable seconds            = 0
Invalid seconds                = 0
Example 2—In this example, a T1 channel on a T3 over channelized SONET interface is specified.
host1#show controllers sonet 5/0:1/1/1 remote
DS1 10/1:1
Number of valid interval - 0
Time elapse in current interval - 0
Far End FDL Carrier bit is not set
Far End Equipment Identification Code is the null string
Far End Line Identification Code is the null string
Far End Frame Identification Code is the null string
Far End Unit Identification Code is the null string
Far End Facility Identification Code is the null string
Far End Port Number is the null string
Far End Generator Number is the null string
DS1 Current Interval Counters
Errored seconds                = 0
Severely errored second        = 0
Severely errored frame seconds = 0
Unavailable seconds            = 0
Clock slip seconds             = 0
Path code violations           = 0
Line errored seconds           = 0
Bursty errored seconds         = 0
Degraded minutes               = 0
DS1 24 Hour Total Counters
Errored seconds                = 0
Severely errored second        = 0
Severely errored frame seconds = 0
Unavailable seconds            = 0
Clock slip seconds             = 0
Path code violations           = 0
Line errored seconds           = 0
Bursty errored seconds         = 0
Degraded minutes               = 0
Example 3—In this example, a T1 over channelized SONET interface is specified.
host1#show controllers sonet 5/0:1/1/1/2/2 remote
DS1 10/1:1
Number of valid interval - 0
Time elapse in current interval - 0
Far End FDL Carrier bit is not set
Far End Equipment Identification Code is the null string
Far End Line Identification Code is the null string
Far End Frame Identification Code is the null string
Far End Unit Identification Code is the null string
Far End Facility Identification Code is the null string
Far End Port Number is the null string
Far End Generator Number is the null string
DS1 Current Interval Counters
Errored seconds                = 0
Severely errored second        = 0
Severely errored frame seconds = 0
Unavailable seconds            = 0
Clock slip seconds             = 0
Path code violations           = 0
Line errored seconds           = 0
Bursty errored seconds         = 0
Degraded minutes               = 0
DS1 24 Hour Total Counters
Errored seconds                = 0
Severely errored second        = 0
Severely errored frame seconds = 0
Unavailable seconds            = 0
Clock slip seconds             = 0
Path code violations           = 0
Line errored seconds           = 0
Bursty errored seconds         = 0
Degraded minutes               = 0
show interfaces serial

Use to display information about the serial interfaces you specify.

Field descriptions

Serial Interface—Location of the interface

Description—Text description or alias if configured for the interface

ifOperStatus—Physical state of the interface

ifOperDown—Interface is not functioning

ifOperLowerLayerDown—Lower layer in the interface stack is not functioning

ifOperNotPresent—Module has been removed from the chassis

ifOperTesting—Interface is being tested

ifOperUp—Interface is functioning

snmp trap link-status—Enabled or disabled

Encapsulation—Layer 2 encapsulation display; options: ppp, frame-relay ietf, mlppp, mlframe-relay ietf, hdlc

Crc type checking—Size of the CRC

Hdlc mru—Current size of the MRU

Hdlc mtu—Current size of the MTU

Hdlc interface speed—Current line speed of the interface

Hdlc idle-character—Current idle character

Invert data disabled—Status of the data inversion feature

Ds0 mode—Nx56 or Nx64

5 minute input rate—Data rates based on the traffic received in the last five minutes

5 minute output rate—Data rates based on the traffic sent in the last five minutes

Interface Statistics

Packets received—Number of packets received on the interface

Bytes received—Number of bytes received on the interface

Errored packets received—Number of packets with errors received on the interface

Packets sent—Number of packets sent on the interface

Bytes sent—Number of bytes sent on the interface

Errored packets sent—Number of packets with errors sent from the interface
Example
host1#show interfaces serial 2/0:1/1/1/1/1
Serial Interface at 2/0:1/1/1/1/1
Description: toronto20 hdlc channel
ifOperStatus = ifOperUp
snmp trap link-status = disabled
Encapsulation hdlc
Crc type checking - CRC16
Hdlc mru = 1600
Hdlc mtu = 1600
Hdlc interface speed = 1536000
Hdlc idle-character marks
Invert data disabled, Ds0 time slot map = 0xffffff
Ds0 mode = Nx64
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
Interface statistics
Packets received              100
Bytes received                1300
Errored packets received      1
Packets sent                  100
Bytes send                    1436
Errored packets sent          0 
Monitoring APS/MSP

For information about monitoring APS/MSP, see Monitoring APS/MSP in Chapter 3, Configuring Unchannelized OCx/STMx Interfaces.

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