5-28
IMACS System Release 5.1.9
Reference Guide
Model No.
Running Head
TCP/IP Network Management
CPU Card
RTT Decreased
The RTT Decreased field shows the number of times the retransmission time-out was
decreased because the system was not busy.
Connections Opened
The Connections Opened field shows the total number of connections that were opened by the
local system to the network host.
Connections Closed
The Connections Closed field shows the total number of connections that were closed by the
local system to the network host.
Connections Aborted
The Connections Aborted field shows the number of times the connection was aborted
because either the number of consecutive retransmissions was equal to 10 or retransmission
time-out was equal to 15 minutes.
Packets TX Aborted - RAM
The Packets TX Aborted - RAM field shows the total number of packets sent by the local
system which were aborted because of the lack of free RAM memory.
5.4.1.6
UDP Parameters
The UDP parameters appear in the fourth Network Statistics Screen (Figure 5-12). They are
described below.