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UDP Overview window 201
Models 2616RC, 3096RC & 3196RC Admin Reference Guide 12 • IP (IP, TCP, UDP, & ICMP)
Remote Port (tcpConnRemPort)
The remote port number for this TCP connection.
State (tcpConnState)
The state of this TCP connection. The only value which may be set by a management station is deleteTCB(12).
Accordingly, it is appropriate for an agent to return a ‘badValue’ response if a management station attempts to set
this object to any other value.
If a management station sets this object to the value deleteTCB(12), Transmission Control Block, then this has the
effect of deleting the TCB (as defined in RFC 793) of the corresponding connection on the managed node, result-
ing in immediate termination of the connection. As an implementation-specific option, a RST segment may be
sent from the managed node to the other TCP endpoint (note however that RST segments are not sent reliably).
• closed(1)
• listen(2)
• synSent(3)
• synReceived(4)
• established(5)
• finWait1(6)
• finWait2(7)
• closeWait(8)
• lastAck(9)
• closing(10)
• timeWait(11)
• deleteTCB(12)—The only value which may be set by a management station.
UDP Overview window
The T-DAC provides support for the user datagram protocol (UDP). UDP resides in the Transport Layer
(layer 3) of the Open Systems Interconnection (OSI) model. Certain networking applications are designed to
use UDP instead of TCP for end-to-end data transport.
The T-DAC TCP subsystem provides management information in the form of UDP parameters and operating
statistics. Managing the UDP subsystem involves monitoring those UDP parameters and statistics.
Note
RFC1213: Management Information Base for Network Management of
TCP/IP-based internets: MIB II provides detailed information about
the SNMP management information base (MIB) variables that the T-
DAC UDP subsystem uses.