Users Guide

Dell PowerConnect 55xx Systems User Guide 705
O
OID
Organizationally Unique Identifiers. Identifiers associated with a Voice
VLAN.
OUI
Object Identifier. Used by SNMP to identify managed objects. In the SNMP
Manager/Agent network management paradigm, each managed object must
have an OID to identify it.
P
Packets
Blocks of information for transmission in packet switched systems.
PDU
Protocol Data Unit. A data unit specified in a layer protocol consisting of
protocol control information and layer user data.
PING
Packet Internet Groper. Verifies if a specific IP address is available. A packet is
sent to another IP address and waits for a reply.
Port
Physical ports provide connecting components that allow microprocessors to
communicate with peripheral equipment.
Port Mirroring
Monitors and mirrors network traffic by forwarding copies of incoming and
outgoing packets from one port to a monitoring port.
For more information on port mirroring, see Defining Port Mirroring Sessions .
Protocol
A set of rules that governs how devices exchange information across networks.
PVE
Protocol VLAN Edge. A port can be defined as a Private VLAN Edge (PVE)
port of an uplink port, so that it will be isolated from other ports within the
same VLAN.