Chapter 10 Managing PNNI Routing

The output of this command displays a list of all local switch Reachable Addresses. For each address it shows the following information:

Field

Description

 

 

 

 

Len

The address length in bits. The maximum length would be 152

 

bits, as ATM routing is done for only 19 bytes addresses. The

 

last byte of the ATM address (the selector) has local significance

 

only, and does not affect routing.

 

 

Prefix

The ATM address prefix (up to 19 bytes, 152 bits) that is known

 

to PNNI.

 

 

Port, Type and

Provide a table of all the local ports that this address is

Scope Table

registered on. For each port it provides the port type and scope.

 

 

Type

The address type may be either Internal or Exterior (to the

 

PNNI domain). An exterior ATM address is an address that was

 

set statically using static routes.

 

 

Scope

This field indicates the scope of advertisement of the address.

 

The scope value indicates up to which hierarchical level the

 

address will be advertised. The lower the value, the wider the

 

domain that gets the address. Value of 0 indicates that the

 

address will be advertised through out the entire PNNI domain.

 

The advertisement scope is mapped from the UNI scope. For

 

more details refer to the Static Routing chapter.

 

 

Port 0 on the local slot indicates the CPU. Addresses registered on the CPU port indicates services that are registered on the local switch, for example, the LECS address as appears in the above example.

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Avaya M770 ATM Switch User’s Guide

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Avaya manual Avaya M770 ATM Switch User’s Guide

M770 specifications

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