
Configuring WAN Line Services
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Setting the Maximum N1 Frame Size
The Max N1 Frame Size parameter specifies the frame size, in bytes, for a frame
that the router or network transmits. This number excludes flags and 0 bits
inserted for transparency.
By default, the Max N1 Frame Size parameter is set to 1600 bytes.
Select a frame size from 3 to 4500 bytes to suit your network configuration.
Using Site Manager
See the Max N1 Frame Size parameter on page A-19 for information.
Setting the Window Size
The Window Size parameter specifies the default transmit and receive window
size for the interface. This value is the maximum number of unacknowledged
frames that you allow from the router or network at any one time.
By default, the window size is 7 frames. Select a window size from 1 to 127
frames to suit your network configuration.
Using Site Manager
See the Window Size parameter on page A-19 for information.
Setting the Maximum N2 Retry Count
The Max N2 Retries parameter determines the value of the N2 retry count, which
is the number of retransmission attempts the router makes, per frame, before it
considers the line to be down. The retry count is the maximum number of attempts
following the expiration of the T1 timer.
By default, the number of times the router tries to retransmit is 10. Set the number
of retries from 1 to 64 on this interface.
Using Site Manager
See the Max N2 Retries parameter on page A-20 for information.
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