User Manual Part 2
ESR9855G Wireless N Gaming Router 
 126 
Determines what portion of an IP address designates the Network and which part designates the Host 
Syslog 
System Logger -- a distributed logging interface for collecting in one place the logs from different sources. Originally written for UNIX, it is 
now available for other operating systems, including Windows. 
T 
TCP 
Transmission Control Protocol 
TCP Raw 
A TCP/IP protocol for transmitting streams of printer data. 
TCP/IP 
Transmission Control Protocol/Internet Protocol 
TFTP 
Trivial File Transfer Protocol is a utility used for transferring files that is simpler to use than FTP but with less features 
Throughput 
The amount of data that can be transferred in a given time period 
Traceroute 
A utility displays the routes between you computer and specific destination 
U 
UDP 
User Datagram Protocol 
Unicast 
Communication between a single sender and receiver 
Universal Plug and Play 
A standard that allows network devices to discover each other and configure themselves to be a part of the network 
Upgrade 
To install a more recent version of a software or firmware product 
Upload 
To send a request from one computer to another and have a file transmitted from the requesting computer to the other 
UPnP 










