Network Interface Management; Network Interfaces - 3Com CoreBuilder 7000 Operation Manual

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Network Interfaces

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This chapter provides basic concepts and information about:


Network Interfaces


Integrated Local Management Interface (ILMI)


Basic ILMI Functions


Automatic Configuration Procedures
To enable individual ATM devices to function together in an ATM
network, standard software interfaces are needed between each device
and the devices to which it is connected.
Five types of interfaces are used:


User-Network Interface (UNI) — the interface between an ATM user
device and an ATM switch.


Network-Network Interface (NNI) — the interface between an ATM
switch and an edge device, or between two switches. See Chapter 3
for more details on NNI.


Interim InterSwitch Protocol (IISP) — a standard interface between a
CoreBuilder 7000 family ATM switch and switches of other vendors.
See Chapter 1 for more details on IISP.


Enhanced Interim InterSwitch Protocol (E-IISP) — a proprietary
network-network interface between two 3Com ATM switches. See
Chapter 1 for more details on E-IISP.


Private Network-Network Interface (PNNI) — the interface between
two ATM switches in a Private Virtual Network. See Chapter 4 for
more details on PNNI.
PNNI is available in version 4.5 extended only.
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