User’s Manual of MGSW-24160F
511
IP
IP is an acronym for Internet Protocol. It is a protocol used for communicating data across a internet network.
IP is a "best effort" system, which means that no packet of information sent over it is assured to reach its destination in
the same condition it was sent. Each device connected to a Local Area Network (LAN) or Wide Area Network (WAN) is
given an Internet Protocol address, and this IP address is used to identify the device uniquely among all other devices
connected to the extended network.
The current version of the Internet protocol is IPv4, which has 32-bits Internet Protocol addresses allowing for in
excess of four billion unique addresses. This number is reduced drastically by the practice of webmasters taking
addresses in large blocks, the bulk of which remain unused. There is a rather substantial movement to adopt a new
version of the Internet Protocol, IPv6, which would have 128-bits Internet Protocol addresses. This number can be
represented roughly by a three with thirty-nine zeroes after it. However, IPv4 is still the protocol of choice for most of
the Internet.
IPMC
IPMC is an acronym for IP MultiCast.
IP Source Guard
IP Source Guard is a secure feature used to restrict IP traffic on DHCP sn
ooping untrusted ports by filtering traffic
based on the DHCP Snooping Table or manually configured IP Source Bindings. It helps prevent IP spoofing attacks
when a host tries to spoof and use the IP address of another host.
L
LACP
LACP is an IEEE 802.3ad standard protocol. The Link Aggregation Control Protocol, allows bundling several physical
ports together to form a single logical port.
LLDP
LLDP is an IEEE 802.1ab standard protocol.
The L
ink Layer Discovery Protocol(LLDP) specified in this standard allows stations attached to an IEEE 802 LAN to
advertise, to other stations attached to the same IEEE 802 LAN, the major capabilities provided by the system
incorporating that station, the management address or addresses of the entity or entities that provide management of
those capabilities, and the identification of the stations point of attachment to the IEEE 802 LAN required by those
management entity or entities. The information distributed via this protocol is stored by its recipients in a standard
Management Information Base (MIB), making it possible for the information to be accessed by a Network Management
System (NMS) using a management protocol such as the Simple Network Management Protocol (SNMP).
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