
Customizing Frame Relay
117376-B Rev. 00 3-5
Monitoring the Connection
You can monitor the status of your frame relay network connection by setting:
• Time intervals for the router to send messages that verify the integrity of the
link
• The number and frequency of error messages that can occur before the
connection terminates
Polling Interval
The polling interval specifies the interval between status inquiry messages that the
router transmits. Status inquiry messages cause a network response in the form of
a link integrity verification message or full status message. Successful completion
of the request/response “handshake” verifies the status of the router/frame relay
network link. You should accept the default value, 10 seconds. If this value does
not match what the network requests, enter a value that is appropriate for your
network in the range of 5 to 30 seconds. The polling interval does not function if
you set the Management (Mgmnt) Type parameter to DLCMI None.
Full Enquiry Interval
The full enquiry interval specifies the interval between full status inquiry
messages that the router transmits. Full status inquiry messages cause the network
to send a full status report message, which lists all PVCs and their status (active or
inactive, and new or previously established).
The default value, 6, tells the router to send a full status inquiry every 6 polling
intervals. For example, with a polling interval of 10 and a full enquiry interval of
6, the router transmits a full status inquiry every 60 seconds. With a polling
interval of 20 and a full enquiry interval of 30, the router transmits a full status
inquiry every 10 minutes (600 seconds). The full enquiry interval does not
function if you set the Mgmnt Type parameter to DLCMI None.
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