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ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter11 Configuring ATM Routing and PNNI
Basic PNNI Configuration

Displaying the Scope Mapping Configuration

To display the PNNI scope mapping configuration, use the following privileged EXEC command:
Example
The following example shows the ATM PNNI scope mapping configuration using the show atm pnni
scope privileged EXEC command:
Switch# show atm pnni scope
UNI scope PNNI Level
~~~~~~~~~ ~~~~~~~~~~
(1 - 10) 56
(11 - 12) 48
(13 - 14) 32
(15 - 15) 0
Scope mode: manual
Configuring Higher Levels of the PNNI Hierarchy
Once you have configured the lowest level of the PNNI hierarchy, you can configure the higher levels.
To do so, you must configure peer group leaders (PGLs) and logical group nodes (LGNs).
For an explanation of PGLs and LGNs, as well as guidelines for creating a PNNI hierarchy, refer to the
Guide to ATM Technology.

Configuring a Logical Group Node and Peer Group Identifier

The LGN is created only when the child node in the same switch (that is, the node whose parent
configuration points to this node) is elected PGL of the child peer group.
The peer group identifier defaults to a value created from the first part of the child peer group identifier,
and does not need to be specified. If you want a nondefault peer group identifier, you must configure all
logical nodes within a peer group with the same peer grou p identifier.
Higher level nodes are only active if:
•A lower-level node specifies the higher-level node as a parent.
•The election leadership priority of the child node is configured with a non-zero value and is elected
as the PGL.
Command Purpose
show atm pnni scope Displays the node PNNI scope mapping
configuration.