Cabletron Systems 9A656-04, Configuration Manual

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Chapter 2: System Configuration
2-28 9A656-04/9A686-04 Configuration Guide
Figure 2-14 The PNNI Configuration Screen
2.16.1 PNNI Configuration Screen Fields
The following section explains each of the PNNI Configuration screen fields:
PNNI Mode
Toggles between AUTO USING MAC, AUTO USING BOARD #, and MANUAL, with a
default setting of AUTO USING MAC. The three available options are defined as follows:
• AUTO USING MAC -
In this mode, the PNNI Level field is defaulted to 72. This mode
allows the user to modify up to 9 bytes (72 bits) of the NSAP prefix. The next 4 bytes are
automatically set to the last 4 bytes of each 9A686-04 base MAC Address, followed by the
entire 6 byte base MAC address of the module, and 1 selector byte. Refer to
Figure 2-15 .
Figure 2-15 AUTO USING MAC Address Example
47-000000-000000-0000-1D123456-00001D123456-00
Modifable 72 Bits of NSAP Prefix
End System
Identifier (ESI)
Non-Modifiable Least
Significant 4 Bytes of
Base Mac
Address/ESI Selector Byte