
Configuring SDLC Services
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Parameter: Fast Contact Timer
Default: 4000 milliseconds
Range: 1 through 64000
Function: Controls the timeout required before retransmitting an unacknowledged
contact frame (SNRM or XID). For primary SDLC link stations only, this
parameter operates with the Fast Contact Retry Limit parameter and is
also used for special pre-activation polling.
Instructions: Enter a value from 1 through 64000. The value you enter must be greater
than the REPLYTO Timer value described earlier.
MIB Object ID: 1.3.6.1.4.1.18.3.5.1.7.5.1.16
Parameter: Fast Contact Retry Limit
Default: 4
Range: 1 through 64000
Function: Controls the number of times to transmit a contact frame (for example,
SNRM) before switching to the Slow Contact Timer. This parameter
operates with the Fast Contact Timer parameter.
Instructions: Enter a value from 1 through 64000, where 1 causes the switch to the
Slow Contact Timer after the first Fast Contact Timer expires. Enter
64000 for an infinite number of retries.
MIB Object ID: 1.3.6.1.4.1.18.3.5.1.7.5.1.17
Parameter: Slow Contact Timer
Default: 4000 milliseconds
Range: 1 through 64000
Function: Allows contact polling to continue (using this timer) when the Fast
Contact Retry Limit expires. This prevents leased (multidrop) links from
being overwhelmed by poll frames for absent stations. This parameter
operates with the Slow Contact Retry Limit parameter.
Instructions: Enter a value from 1 through 64000.
MIB Object ID: 1.3.6.1.4.1.18.3.5.1.7.5.1.18
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