Cisco Catalyst 4500 Series Command Reference Manual page 1149

Appendix A Abbreviations
NMP Network Management Processor
NSAP network service access point
NTP Network Time Protocol
NVRAM nonvolatile RAM
O
OAM Operation, Administration, and Maintenance
OSI Open System Interconnection
OSPF open shortest path first
P
PAE port access entity
PAgP Port Aggregation Protocol
PBD packet buffer daughterboard
PC Personal Computer (formerly PCMCIA)
PCM pulse code modulation
PCR peak cell rate
PDP policy decision point
PDU protocol data unit
PEM Power Entry Module
PEP policy enforcement point
PGM Pragmatic General Multicast
PHY physical sublayer
PIB policy information base
PIM Protocol Independent Multicast
PM Port manager
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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0SG and IOS 15.1(1)SG)
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