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Refresh Statistics:
Updates the screen with the latest router statistics.
Clear Statistics:
Clears all of the values on the screen.
6.5.1
LAN Statistics
Sent:
The number of packets transmitted to the local area network.
Received:
The number of packets received from the local area network.
TX Packets Dropped:
The number of transmit packets dropped on the local area
network.
RX Packets Dropped:
The number of receive packets dropped on the local area
network.
Collisions:
The number of collisions on the local area network.
Errors:
The number of errors occurring on the local area network.
6.5.2
WAN Statistics
Sent:
The number of packets transmitted to the Internet.
Received:
The number of packets received from the Internet.
TX Packets Dropped:
The number of transmit packets sent to the WAN port that
were dropped.
RX Packets Dropped:
The number of receive packets sent to the WAN port that
were dropped.
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Collisions:
The number of collisions involving packets intended for the WAN port.
Errors:
The number of errors occurring with packets intended for the WAN port.
6.6
Internet Sessions
The Active Sessions page displays full details of active sessions through your router.
A 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 port number of the LAN-side application.
NAT:
The port number of the LAN-side application as viewed by the WAN-side
application.
Internet:
The IP address and port number of the WAN-side application.
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CL: Closed -- The connection is no longer active but the session is being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
StreamEngine 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.
20 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.
120 seconds
Opening or closing TCP connections.
7800 seconds
Established TCP connections
6.7
Firewall Holes
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. You can view
current sessions on the
Internet Sessions
page. Normally, all connections are started
by a LAN-side computer that initiates a session with an Internet-side (WAN-side)
computer. Connections from LAN to WAN are always allowed, when possible and in
accordance with any policies you set.
If an WAN-side computer attempts to start a connection with a LAN-side computer,
that connection attempt will, under normal circumstances, be blocked by the
"firewall", and a record of the attempt will be written in the Log.
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However, certain useful kinds of Internet sessions are normally initiated from WAN-
side computers. To allow connections to be started by WAN-side computers, a "hole"
must be created in the firewall.
Firewall holes can be created by several means. You can explicitly create holes with
Virtual Server, Port forwarding, and Gaming rules, for example. Also, UPnP devices
and LAN-side computers can ask for a hole to be created -- typically the case with
peer-to-peer programs, such as Bit Torrent, and IM programs, such as Windows Live
Messenger Service -- but there are many other types. The router itself can even
create holes for its own use.
The firewall holes page shows currently open holes. It shows you the types of
connections that can be started by Internet computers. It also shows the LAN-side
computer that will receive any connection started by an Internet computer.
Local:
The IP address of the LAN-side computer that will receive packets started by
an Internet computer on this connection.
NAT:
If the router has more than one WAN-side IP address, the connection attempts
are limited to the address shown. An entry of "*.*.*.*" means any IP address.
Internet:
An IP address entry means that only that IP address can start a
connection. An entry of "*.*.*.*" means any IP address. A policy-name entry means
that the connection is limited to that policy.
Protocol:
The internet protocol that this connection is allowed to use.
Private Ports:
The LAN-side ports used for the connection.
Public Ports:
The WAN-side ports used for the connection.
Type:
Specifies both how the hole was created and what the hole is used for. For
example, "Virtual server \ SMTP" shows that the hole was created as a virtual server
rule for the Simple Mail Transfer Protocol..
Active:
For holes that are created by scheduled rules, shows whether the rule is
currently scheduled.
WISH Sessions
6.8
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 wireless connected LAN-side computer and another
computer, however connected.
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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.
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 wireless over this conversation by the WISH
logic. The priorities are:
•
BK: Background (least urgent).
•
BE: Best Effort.
•
VI: Video.
•
VO: Voice (most urgent).
Mbps:
Useful description goes here
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