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Dell PowerConnect 55xx Systems User Guide
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D E LL C O N F ID E N T IA L – P R E L I M I N A RY 1 0 / 3 0/ 1 3 - F O R P R O O F O N LY
TFTP
Trivial File Transfer Protocol
. Uses User Data Protocol (UDP) without
security features to transfer files.
Trap
A message sent by the SNMP that indicates that system event has occurred.
Trunking
Link Aggregation.
Optimizes port usage by linking a group of ports together
to form a single trunk (aggregated groups).
U
UDP
User Data Protocol.
Transmits packets but does not guarantee their delivery.
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.
VoIP
Voice over IP.
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.