TFTP
Trivial File Transfer Protocol. Uses User Data Protocol (UDP) without security features to transfer files.
Trunking
Link Aggregation. Optimizes port usage by linking a group of ports together to form a single trunk (aggregated groups).
U
Unicast
A form of routing that transmits one packet to one user.
V
VLAN
Virtual Local Area Networks. Logical subgroups with a Local Area Network (LAN) created via software rather than defining a hardware solution.
W
WAN
Wide Area Networks. Networks that cover a large geographical area.
Wildcard Mask
Specifies which IP address bits are used, and which bits are ignored. A wild switch module mask of 255.255.255.255 indicates that no bit is important. A wildcard of 0.0.0.0 indicates that all the bits are important.
For example, if the destination IP address 149.36.184.198 and the wildcard mask is 255.36.184.00, the first two bits of the IP address are used, while the last two bits are ignored.
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