PLANET IGS-10020HPT User Manual

Page 606

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User’s Manual of IGS-10020HPT

The NetBIOS giving each computer in the network both a NetBIOS name and an IP address corresponding to a

different host name, provides the session and transport services described in the Open Systems Interconnection (OSI)

model.

NFS

NFS is an acronym for Network File System. It allows hosts to mount partitions on a remote system and use them as

though they are local file systems.

NFS allows the system administrator to store resources in a central location on the network, providing authorized users

continuous access to them, which means NFS supports sharing of files, printers, and other resources as persistent

storage over a computer network.

NTP

NTP is an acronym for Network Time Protocol, a network protocol for synchronizing the clocks of computer systems.

NTP uses UDP (datagrams) as transport layer.

O

Optional TLVs.

A LLDP frame contains multiple TLVs

For some TLVs it is configurable if the switch shall include the TLV in the LLDP frame. These TLVs are known as

optional TLVs. If an optional TLVs is disabled the corresponding information is not included in the LLDP frame.

OUI

OUI is the organizationally unique identifier. An OUI address is a globally unique identifier assigned to a vendor by

IEEE. You can determine which vendor a device belongs to according to the OUI address which forms the first 24 bits

of a MAC address.

P

PCP

PCP is an acronym for Priority Code Point. It is a 3-bit field storing the priority level for the 802.1Q frame. It is also

known as User Priority.

PD

PD is an acronym for Powered Device. In a PoE system the power is delivered from a PSE (power sourcing

equipment ) to a remote device. The remote device is called a PD.

PHY

PHY is an abbreviation for Physical Interface Transceiver and is the device that implements the Ethernet physical layer

(IEEE-802.3).

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