Cisco AS5300 - Universal Access Server Посібник з конфігурації - Сторінка 11
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Chapter 2
Configuring the Cisco AS5300 Network Access Server
Enter controller configuration mode for the first T1 controller, which is 0. The controller ports are
Step 2
labeled 0 through 3 on the quad T1/PRI card.
hq-sanjose(config)# controller t1 0
Step 3
Enter the T1 framing type. This example uses extended super frame.
hq-sanjose(config-controller)# framing esf
Enter the T1 line code type. This example uses B8ZS.
Step 4
hq-sanjose(config-controller)# linecode b8zs
Configure the access server to get its primary clock (timing signal) from the T1 line assigned to
Step 5
controller 0. Line clocking comes from the remote switch.
hq-sanjose(config-controller)# clock source line primary
Assign all 24 T1 timeslots as ISDN PRI channels. After you enter this command, a D-channel serial
Step 6
interface is instantly created (for example S0:23, S1:23, and so on) in the configuration file and the
individual B-channel serial interfaces (for example S0:0, S0:1, ...). The D-channel interface functions
like a dialer for all the 23 B channels using the controller.
hq-sanjose(config-controller)# pri-group timeslots 1-24
Exit back to global configuration mode.
Step 7
hq-sanjose(config-controller)# exit
Configure the second controller, controller T1 1. Set the clocking to secondary 1. If the line clocking
Step 8
from controller T1 0 fails, the Cisco AS5300 will receive its clocking from controller T1 1.
hq-sanjose(config#) controller t1 1
hq-sanjose(config-controller)# framing esf
hq-sanjose(config-controller)# linecode b8zs
hq-sanjose(config-controller)# clock source line secondary 1
hq-sanjose(config-controller)# pri-group timeslots 1-24
hq-sanjose(config-controller)# exit
Configure the remaining two controllers. Cisco IOS Release 12.0 and later releases support use of the
Step 9
clock source line secondary x command. This enables the Cisco AS5300 to continue to receive clock
(timing signal) from the telephone company or the next remaining controller if a previous controller
goes down. This would not be possible if the remaining T1 controllers were set to internal.
hq-sanjose(config#) controller t1 2
hq-sanjose(config-controller)# framing esf
hq-sanjose(config-controller)# linecode b8zs
hq-sanjose(config-controller)# clock source line secondary 2
hq-sanjose(config-controller)# pri-group timeslots 1-24
hq-sanjose(config-controller)# exit
hq-sanjose(config#) controller t1 3
hq-sanjose(config-controller)# framing esf
hq-sanjose(config-controller)# linecode b8zs
hq-sanjose(config-controller)# clock source line secondary 3
hq-sanjose(config-controller)# pri-group timeslots 1-24
hq-sanjose(config-controller)# exit
hq-sanjose(config#)
Task 2—Setting Up Asynchronous Shell Services
Cisco IOS Dial Services Quick Configuration Guide
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