Extreme Networks Summit WM Series Betriebsanweisung Seite 161

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Summit WM-Series WLAN Switch and Altitude Access Point Software Version 1.0 User Guide
161
SVP SpectraLink Voice Protocol, a protocol developed by SpectraLink to be
implemented on access points in order to facilitate voice prioritization
over an 802.11 wireless LAN that will carry voice packets from
SpectraLink wireless telephones.
Switch In networks, a device that filters and forwards packets between LAN
segments. Switches operate at the data link layer (layer 2) and
sometimes the network layer (layer 3) of the OSI Reference Model and
therefore support any packet protocol. LANs that use switches to join
segments are called switched LANs or, in the case of Ethernet
networks, switched Ethernet LANs.
syslog A protocol used for the transmission of event notification messages
across networks, originally developed on the University of California
Berkeley Software Distribution (BSD) TCP/IP system
implementations, and now embedded in many other operating
systems and networked devices. A device generates a messages, a
relay receives and forwards the messages, and a collector (a syslog
server) receives the messages without relaying them.
Syslog uses the user datagram protocol (UDP) as its underlying
transport layer mechanism. The UDP port that has been assigned to
syslog is 514. (RFC3164)
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TCP / IP Transmission Control Protocol. TCP, together with IP (Internet
Protocol), is the basic communication language or protocol of the
Internet. Transmission Control Protocol manages the assembling of a
message or file into smaller packets that are transmitted over the
Internet and received by a TCP layer that reassembles the packets into
the original message. Internet Protocol handles the address part of
each packet so that it gets to the right destination.
TCP/IP uses the client/server model of communication in which a
computer user (a client) requests and is provided a service (such as
sending a Web page) by another computer (a server) in the network.
TFTP Trivial File Transfer Protocol. An Internet software utility for
transferring files that is simpler to use than the File Transfer Protocol
(FTP) but less capable. It is used where user authentication and
directory visibility are not required. TFTP uses the User Datagram
Protocol (UDP) rather than the Transmission Control Protocol (TCP).
TFTP is described formally in Request for Comments (RFC) 1350.
TKIP Temporal Key Integrity Protocol (TKIP) is an enhancement to the WEP
encryption technique that uses a set of algorithms that rotates the
session keys. TKIP's enhanced encryption includes a per-packet key
mixing function, a message integrity check (MIC), an extended
initialization vector (IV) with sequencing rules, and a re-keying
mechanism. The encryption keys are changed (rekeyed) automatically
and authenticated between devices after the rekey interval (either a
specified period of time, or after a specified number of packets has
been transmitted).
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