McDATA ULTRANET EDGE 3000, User Manual

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D-8
UltraNet™ Edge Storage Router 3000 User Guide
Transport CRC Checking
2. From the Time Synchronization Protocol screen, select None .
3. Click OK .
Transport CRC Checking
The
Transport CRC for all data feature
, allows all data to go through
the Transport CRC checking function when it is enabled.
If this option is not enabled, Transport CRC checking will not be
performed on packets that are non-compressible or packets less than
1024 bytes.
Compression must be enabled at the circuit level before enabling the
Transport CRC for all data feature.
This feature can be used for:
• Data protection on a WAN that has known problems, where the
performance costs are tolerable
• Applications that are not tolerant of end to end CRC errors
• Network debugging purposes
Performance will be impacted when this option is enabled.
Enable Transport CRC Checking for All Data
NOTE: The UltraNet Edge 3000 chassis must be at revision level B for the
Transport CRC Checking feature to be turned on.
Use the following procedure to enable the Transport CRC for all
data feature . This will engage the Transport CRC checking feature for
all data passing through the circuit.