User’s Manual of IGS-10020MT
It is a protocol described in ITU-T Y.1731 used to implement carrier ethernet functionality. MEP functionality like CC
and RDI is based on this.
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 priori
ty level for the 802.1Q frame. It is also
known as User Priority.
PD
PD is an acronym for P
owered 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 de
vice that implement the Ethernet physical layer
(IEEE-802.3).
PING
ping is a program that sends a series of packets over a network or the Internet to a specific computer in order to
generate a response from that computer. The other computer responds with an acknowledgment that it received the
packets. Ping was created to verify whether a specific computer on a network or the Internet exists and is connected.
ping uses Internet Control Message Protocol (ICMP) packets. The PING Request is the packet from the origin
computer, and the PING Reply is the packet response from the target.
PoE
PoE is an acronym for Power Over Ethernet.
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