Viewing Tcp Statistics - Alcatel Omni Switch/Router User Manual

Viewing TCP Statistics

Viewing TCP Statistics
The command is used to monitor TCP traffic activity and check TCP configuration param-
eters. To reconfigure TCP parameters, see Viewing the TCP Connection Table on page 25-29.
To display information about TCP activity, enter the following command:
A screen similar to the following displays:
The fields on this screen have the following meanings:
Round Trip Algorithm Used
The algorithm used to determine the Timeout value used for retransmitting unacknowledged
octets. The value is: RSRE (MIL-STD-1778).
Retransmission Min/Max Timeout
The minimum/maximum value permitted by a TCP implementation for the retransmission
timeout, measured in milliseconds.
Max Connections Allowed
The maximum number of connections allowed. Currently, the number is unlimited.
Active Opens
The number of times TCP connections have made a direct transition to the "synSent" state
from the "closed" state (refer to RFC 973).
Passive Opens
The number of times TCP connections have made a direct transition to the "synReceived"
state from the "listen" state (refer to RFC 973).
Attempt Fails
The number of times TCP connections have made a direct transition to the "closed" state from
either the "synSent" state or the "synReceived" state, plus the number of times TCP connec-
tions have made a direct transition to the "listen" state from the "synReceived" state.
Page 25-27