Cisco ISE - Line Card ISE Bedienungsanleitung PDF herunterladen (Seite 33)

Cisco IOSSoftware Configurationforthe Cisco12000Series One-PortChannelized OC-12/STM-4(DS1/E1)ISE Line

How to Configure Layer 1 Features

Cisco IOS Release 12.0(27)S1

To configure an unframed E1 line, use the tug-2 tug-2-number e1 e1-line-number unframed TUG-3

configuration command, where:

• tug-2-number is a number in the range from 1 to 7.

• e1-line-number is a number in the range from 1 to 3.

To configure an E1 line, you must enter SONET controller configuration mode and specify the line card

slot and port, and then enter the command mode appropriate to the selected framing type and mode of

operation for the for the TUG-3 of an AU-4. The following example shows the first E1 line in the fourth

TUG-2 group being configured as an unframed E1:

Router(config)# controller sonet 6/0

Router(config-controller)# au-4 1 tug-3 2

Router(config-ctrlr-tug3)# tug-2 4 e1 1 unframed

Router(config-ctrlr-tug3)#

Note After an unframed E1 logical channel group is configured, it appears to the Cisco IOS

software as a serial interface with channel group number zero. The configuration

commands in the previous example will create a serial interface with the following address:

interface serial 6/0.1/2/4/1:0 (see Table 10 for interface naming details).

Setting the Framing Format on an E1 Line

You can specify the E1 framing format using the tug-2 tug-2-number e1 e1-line-number framing {crc4

| no-crc4} TUG-3 configuration command, where:

• tug-2-number is a number in the range from 1 to 7.

• e1-line-number is a number in the range from 1 to 3.

• crc4 sets the framing format to E1 with a 4-bit cyclic redundancy check (PCM31 CRC4). The

default framing format is crc4.

• no-crc4 sets the framing format to E1 without a 4-bit cyclic redundancy check (PCM31).

To configure an E1 line, you must enter SONET controller configuration mode and specify the line card

slot and port, and then enter the command mode appropriate to the selected framing type and mode of

operation for the for the TUG-3 of an AU-4. The following examples use port 0 of a SONET controller

in slot 6.

• The following example shows how to set crc4 framing format for E1 line 1:

Router(config)# controller sonet 6/0

Router(config-controller)# au-4 1 tug-3 2

Router(config-ctrlr-tug3)# tug-2 4 e1 1 framing crc4

Router(config-ctrlr-tug3)#

• The following example shows how to set no-crc4 framing format for E1 line 1:

Router(config)# controller sonet 6/0

Router(config-controller)# au-4 1 tug-3 2

Router(config-ctrlr-tug3)# tug-2 4 e1 1 framing no-crc4

Router(config-ctrlr-tug3)#

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Cisco ISE - Line Card ISE Bedienungsanleitung Seite 33