
Configuring ATM Services
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Modifying the Maximum AAL CPCS SDU Size
The maximum AAL CPCS SDU value defines the maximum packet size you
intend the VC to transmit or receive.
Setting the Transmit SDU Size
We suggest that you accept the default value of 4608 bytes for maximum AAL
CPCS SDU size that the VC supports in the transmit direction. Most packet sizes
fall well within this limit. However, you can set this value from 1 through 65535
bytes.
Setting the Receive SDU Size
We suggest that you accept the default value of 4608 bytes for maximum AAL
CPCS SDU size that the VC supports in the receive direction. Most packet sizes
fall well within this limit. However, you can set this value from 1 through 65535
bytes.
Assigning a Data Encapsulation Type
You can choose either LLC/SNAP (the default value) or NULL data encapsulation
to operate on the PVC. Assigning the data encapsulation type on the PVC level
overrides the encapsulation type selected on the service record level.
For additional information about assigning data encapsulation, refer to Chapter 2.
Site Manager: Maximum AAL CPCS Transmit SDU Size: page A-30
Site Manager: Maximum AAL CPCS Receive SDU Size: page A-31
Note: If you select NULL, the router interprets this as virtual, channel-based
multiplexing, which is not supported for bridging.
Site Manager: Data Encapsulation Type: page A-31
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