
Site Manager Parameters
117376-C Rev. 00
A-15
Parameter: T200, Base Timer
Path: Configuration Manager > Protocols > Interfaces > LAPF
Default: 15
Options: 1 to 1200 tenths of a second
Function: Indicates the amount of time (in tenths of a second) that the router waits to
receive an acknowledgment from its remote peer.
This timer is the general purpose retransmission timeout. It is used during
initiation of LAPF multiple frame support and for timeout of LAPF numbered
information frames.
During initiation of LAPF multiple frame support, an unnumbered command
(SABME) frame is sent to the peer LAPF to request multiple frame
communications on the link. The peer LAPF responds with an unnumbered
acknowledgment (UA) frame.
When multiple frame support has been established, numbered command/
response information (I) frames are transmitted both ways across the
connection. These I frames carry an acknowledgment of the highest number
frame received by the sending LAPF.
In the event of a timeout, the sending platform retransmits the frame, up to the
maximum number of times specified by the N200, Max Retries parameter.
Instructions: Set to the retransmission timeout value appropriate for your network.
MIB Object ID: 1.3.6.1.4.1.18.3.5.9.9.7.1.8
Parameter: T203, Idle Timer
Path: Configuration Manager > Protocols > Interfaces > LAPF
Default: 30
Options: 1 to 120 seconds
Function: Indicates the amount of time (in seconds) that the router allows for idle time
with no data being transmitted. In the event of a timeout, the router initiates a
frame handshake to check if the connection is still up.
Instructions: Set to the idle time value appropriate for your network.
MIB Object ID: 1.3.6.1.4.1.18.3.5.9.9.7.1.9
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