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RX Packets Dropped
The number of packets that were dropped while being received, due to errors, collisions,
or router resource limitations.
Collisions
The number of packets that were dropped due to Ethernet collisions (two or more devices
attempting to use an Ethernet circuit at the same time).
Errors
The number of transmission failures that cause loss of a packet. A noisy radio-frequency
environment can cause a high error rate on the wireless LAN.
ACTIVE SESSIONS
The Active Sessions page displays full details of active Internet sessions through your router. An
Internet session is a conversation between a program or application on a LAN-side computer and
a program or application on a WAN-side computer.
Local
The IP address and, where appropriate, port number of the local application.
NAT
The port number of the LAN-side application as viewed by the WAN-side application.
Internet
The IP address and, where appropriate, port number of the application on the Internet.
Protocol
The communications protocol used for the conversation.
State
State for sessions that use the TCP protocol.
•
NO: None -- This entry is used as a placeholder for a future connection that may
occur.
•
SS: SYN Sent -- One of the systems is attempting to start a connection.
•
EST: Established -- the connection is passing data.
•
FW: FIN Wait -- The client system has requested that the connection be stopped.
•
CW: Close Wait -- the server system has requested that the connection be
stopped.
•
TW: Time Wait -- Waiting for a short time while a connection that was in FIN Wait
is fully closed.
•
LA: Last ACK -- Waiting for a short time while a connection that was in Close
Wait is fully closed.
•
CL: Closed -- The connection is no longer active but the session is being tracked
in case there are any retransmitted packets still pending.
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Dir
The direction of initiation of the conversation:
Out
Initiated from LAN to WAN.
In
Initiated from WAN to LAN.
Priority
The preference given to outbound packets of this conversation by the QoS Engine logic.
Smaller numbers represent higher priority.
Time Out
The number of seconds of idle time until the router considers the session terminated. The
initial value of Time Out depends on the type and state of the connection.
300 seconds
UDP connections.
240 seconds
Reset or closed TCP connections. The connection does not close instantly so that
lingering packets can pass or the connection can be re-established.
7800 seconds
Established or closing TCP connections.
WISH SESSIONS
The WISH Sessions page displays full details of active local wireless sessions through your
router when WISH has been enabled. A WISH session is a conversation between a program or
application on a wirelessly connected LAN-side computer and another computer, however
connected.
Originator
The IP address and, where appropriate, port number of the computer that originated a
network connection.
Target
The IP address and, where appropriate, port number of the computer to which a network
connection has been made.
Protocol
The communications protocol used for the conversation.
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State
State for sessions that use the TCP protocol.
•
NO: None -- This entry is used as a placeholder for a future connection that may
occur.
•
SS: SYN Sent -- One of the systems is attempting to start a connection.
•
EST: Established -- the connection is passing data.
•
FW: FIN Wait -- The client system has requested that the connection be stopped.
•
CW: Close Wait -- the server system has requested that the connection be
stopped.
•
TW: Time Wait -- Waiting for a short time while a connection that was in FIN Wait
is fully closed.
•
LA: Last ACK -- Waiting for a short time while a connection that was in Close
Wait is fully closed.
•
CL: Closed -- The connection is no longer active but the session is being tracked
in case there are any retransmitted packets still pending.
Priority
The priority given to packets sent wirelessly over this conversation by the WISH logic.
The priorities are:
•
BK: Background (least urgent).
•
BE: Best Effort.
•
VI: Video.
•
VO: Voice (most urgent).
Time Out
The number of seconds of idle time until the router considers the session terminated. The
initial value of Time Out depends on the type and state of the connection.
300 seconds
UDP connections.
240 seconds
Reset or closed TCP connections. The connection does not close instantly so that
lingering packets can pass or the connection can be re-established.
7800 seconds
Established or closing TCP connections.
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HELP GLOSSARY
8
802.11
A family of specifications for wireless local area networks (WLANs) developed by a
working group of the Institute of Electrical and Electronics Engineers (IEEE).
A
Access Control List
ACL. This is a database of network devices that are allowed to access resources on the
network.
Access Point
AP. Device that allows wireless clients to connect to it and access the network
ActiveX
A Microsoft specification for the interaction of software components.
Address Resolution Protocol
ARP. Used to map MAC addresses to IP addresses so that conversions can be made in
both directions.
Ad-hoc network
Peer-to-Peer network between wireless clients
ADSL
Asymmetric Digital Subscriber Line
Advanced Encryption Standard
AES. Government encryption standard
Alphanumeric
Characters A-Z and 0-9
Antenna
Used to transmit and receive RF signals.
AppleTalk
A set of Local Area Network protocols developed by Apple for their computer systems
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AppleTalk Address Resolution Protocol
AARP. Used to map the MAC addresses of Apple computers to their AppleTalk network
addresses, so that conversions can be made in both directions.
Application layer
7th Layer of the OSI model. Provides services to applications to ensure that they can
communicate properly with other applications on a network.
ASCII
American Standard Code for Information Interchange. This system of characters is most
commonly used for text files
Attenuation
The loss in strength of digital and analog signals. The loss is greater when the signal is
being transmitted over long distances.
Authentication
To provide credentials, like a Password, in order to verify that the person or device is
really who they are claiming to be
Automatic Private IP Addressing
APIPA. An IP address that that a Windows computer will assign itself when it is
configured to obtain an IP address automatically but no DHCP server is available on the
network
B
Backward Compatible
The ability for new devices to communicate and interact with older legacy devices to
guarantee interoperability
Bandwidth
The maximum amount of bytes or bits per second that can be transmitted to and from a
network device
Basic Input/Output System
BIOS. A program that the processor of a computer uses to startup the system once it is
turned on
Baud
Data transmission speed
Beacon
A data frame by which one of the stations in a Wi-Fi network periodically broadcasts
network control data to other wireless stations.

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