Nsap Address Format - Alcatel-Lucent 1643 AMS User's Operation Manual

Management communication setup

NSAP address format

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Background
The following three NSAP formats can be distinguished:
• ISO-DCC NSAP address format. This format is used by most Alcatel-Lucent
network element types in the network,
• Local-Lucent NSAP address format. This format is also used by some
Alcatel-Lucent network element types in the network,
• Flexible NSAP address format. An alternative to the previous two formats.
Although different NSAP address formats exist, preferably all nodes in a network
should use the same address format.
ISO-DCC NSAP address format
The ISO-DCC NSAP address format is presented below.
ISO-DCC NSAP address fields
This ISO-DCC NSAP address format is hierarchical and consists of the following
fields:
Field
Area Address
System Identifier
(SID)
Selector (Sel)
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4-12
Function It Provides
Has three parts:
•
AFI (Authority and Format Identifier) is equal to 39 (HEX).
•
The fixed part is equal to 00008000000000000000 (HEX).
•
Area Id indicates the area to which a node belongs and thus its logical
location in the network.
Identifies the node. In most network element types, the Ethernet address is
copied into the SID address field and this makes the NSAP address unique
throughout the DCN.
Set to 01 (HEX) for the network elements.
Alcatel-Lucent - Proprietary
See notice on first page
365-312-807R7.2
Issue 4, May 2007