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3-54
Cisco ATM Services (AXSM) Configuration Guide and Command Reference for MGX Switches
Release 5.2, Part Number OL-6484-01 Rev. C0, September 2005
Chapter 3 Provisioning ATM Services
General AXSM Configuration Procedures
Refer to the Cisco MGX 8800/8900 Series Configuration Guide, Release 5.2 for information on how to
activate a line. See the “Selecting the Port Signaling Protocol” section on page 3-44 and the “Partitioning
Port Resources between Controllers” section on page 3-40 for procedures to create ports and resource
partitions.
The following procedure describes how to configure an AXSM clock source after the line and port have
been configured.
Step 1 Establish a configuration session using a user name with GROUP1 privileges or higher.
Step 2 To set a primary or secondary AXSM clock source, enter the following command:
MGX8850.7.PXM.a > cnfclksrc <
priority
> [
shelf
.]<
slot
:
bay
.
line
:
ifnum>
Tip To get the correct slot:bay.line:ifnum specification, use the port ID displayed by the
dsppnports command.
The following command example shows how to configure a secondary clock source for subport (logical
port) 10 on line 1 of the AXSM card in the upper bay of slot 3. Note the placement of the periods and
colons.
MGX8850.7.PXM.a > cnfclksrc secondary 3:1.1:10
Step 3 To configure an additional clock source, repeat Step 2 using the correct parameters for the additional
source.
Configuring PNNI Links
This section describes AXSM configuration procedures that apply only to PNNI links. The following
subsections explain the following tasks:
Configuring SPVCs and SPVPs
Defining a Feeder Port
Configuring SPVCs and SPVPs
SPVCs and SPVPs are created between two ATM ports, and each SPVC and SPVP has two endpoints.
The master endpoint is responsible for routing and rerouting functions. The slave endpoint is responsible
for responding to requests from the master endpoint during connection setup and rerouting. Both
endpoints are configured on the switch or switches to which the ATM CPE connects. Such endpoints can
be in the same switch or in different switches. One endpoint of an SPVC or SPVP can exist on an
MSSBU switch, while the endpoint can exist on different Cisco ATM equipment, or on ATM equipment
from another vendor.
The master and slave relationships exist for each SPVC or SPVP, and apply only to the SPVC or SPVP
connection. For example, you can have one SPVC with a master on Node A and a slave on Node B, and
then create another with the Master on Node B and the slave on Node A. It is good practice to distribute
the master side of SPVCs and SPVPs among the network nodes so that route processing is distributed.
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