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1-8 Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, v5.3.1
Chapter 1
Layer 3
Supervisor
Module
Layer 3 Supervisor module is part of the path that some packets take
through the system.
The 50-Series layer 3 supervisor modules features are:
■ PowerPC 750 (RISC) processor
■ Memory: 4 MB Flash, 64 MB DRAM, 128 KB NVRAM, 512
KB cache
■ Multiple memory configurations (refer to Table 1-1)
■ Real-time clock
■ Out-of-band console: 10/100BASE-T & RS-232
■ RMON support
■ Simple Network Management Protocol (SNMP) support
■ Dot matrix display
■ System management functions and interfaces
■ Routing protocols tables and caches
■ 1.5 million packets per second of hardware-based routing for
packets that arrive on layer 2-only media modules
■ Software-based routing for packets that are not routed in
hardware
■ Implementation of layer 3 data forwarding for protocols,
such as AppleTalk, that are not implemented in hardware
Figure 1-2 illustrates a conceptual diagram of the layer 3 supervisor
module’s functions.
Table 1-1. Multiple Memory Configuration
DIMM/
SIMM
Number of
Modules
Total Memory
32 MB 1 32 MB
32 MB 2 64 MB
64 MB 1 64 MB
64 MB 2 128 MB