Cisco ISE - Line Card ISE Bedienungsanleitung PDF herunterladen (Seite 29)

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

Figure 2 T1 Link Loopbacks under SDH Framing with AU-3 AUG Mapping

The following examples set loopbacks for a T1 line in c-11 mode:

• To set a T1 line into local loopback mode, use the loopback local AU-3 configuration command.

Router(config)# controller sonet 6/0

Router(config-controller)# au-3 1

Router(config-ctrlr-au3)# tug-2 4 t1 1 loopback local

Router(config-ctrlr-au3)#

• To set a T1 line into network line loopback mode, use the loopback network line AU-3

configuration command.

Router(config-ctrlr-au3)# tug-2 4 t1 1 loopback network line

Router(config-ctrlr-au3)#

• To set a T1 line into network payload loopback mode, use the loopback network payload AU-3

configuration command.

Router(config-ctrlr-au3)# tug-2 4 t1 1 loopback network payload

Router(config-ctrlr-au3)#

• To set a T1 line into remote line fdl ansi loopback, use the loopback remote line fdl ansi controller

configuration command.

Router(config-ctrlr-au3)# tug-2 4 t1 1 loopback remote line fdl ansi

Router(config-ctrlr-au3)#

remote payload [fdl] [ansi] Optional. Sends a repeating, 16-bit ESF data link code word

(00010100 11111111) to the remote end, requesting that it enter

into a network payload loopback. Enables the remote payload

Facility Data Link (FDL) ANSI bit loopback on the T1 channel.

You can optionally specify fdl and ansi, but it is not necessary.

Table 7 T1 Interface Loopback Modes under SDH Framing with AU-3 AUG Mapping (continued)

Optics

HDLC controllers

OC-3/STM-1 framer

Network

line

Network

Local

Network

payload

STS-1/AU-3 path

DS1 framers

57697

Local

Network

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Cisco ISE - Line Card ISE Bedienungsanleitung Seite 29