Designating Pnni Trace Boundaries - Cisco Catalyst 8540 MSR Configuration Manual

Atm switch router software configuration guide

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Configuring ATM Routing and PNNI

You can modify the maximum number of concurrent PNNI connection traces by using the atm pnni

trace max-concurrent global configuration command. The range is 1 to 100.

You can modify the maximum size of the PNNI trace transit list (TTL) information elements (IEs) by

using the atm pnni trace transit-list max-size global configuration command. Its default max size

(1466 bytes) can hold trace information for 35 to 45 nodes, depending on the trace options used. If a

single call traverses more than 45 nodes in a PNNI network, use this command to increase the size of the

TTL IE to accommodate all the trace information.To revert to the default value, use the no form of the

The following example displays the clear atm pnni trace connection all command to delete all of the

active and accepted PNNI connection traces:

Switch# clear atm pnni trace connection all

The following example displays the clear pnni trace connection delete command with the index

number to delete a specific PNNI connection trace.

Switch# clear atm pnni trace connection 100

Designating PNNI Trace Boundaries

This section describes how to create PNNI trace boundaries. If a trace enters the switch at a boundary

interface, it is incomplete. If a trace terminates at a boundary interface, it is successful. Any ATM

interface can be configured as a trace boundary, however, it is only meaningful for PNNI interfaces.

To designate an ATM interface as a PNNI connection trace boundary, use the following command in the

privileged EXEC mode:

atm pnni trace boundary

All non-ATM interfaces are not boundary interfaces by default.

The following example shows how to configure an ATM interface as a PNNI connection trace boundary:

Switch(config)# interface atm 3/0/0

Switch(config-if)# atm pnni trace boundary

Designates an ATM interface as a PNNI

connection trace boundary.

ATM Switch Router Software Configuration Guide

PNNI Connection Trace

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