Appletalk Checksum - 3Com 4007 Command Reference Manual

496 C 17: A
HAPTER PPLE

appletalk checksum

Layer 2
Switching
Modules
Multilayer
Switching
Modules
T
ALK
Enables Data Delivery Protocol (DDP) checksum error detection for the
AppleTalk protocol on a Multilayer Switching Module.
Valid Minimum Abbreviation
ap c
Important Considerations
The AppleTalk protocol uses checksums to detect errors in data
transmissions. A checksum totals all data bytes and adds the sum to
the checksum field of the data packet. The receiving station computes
a verification checksum from the incoming data and compares the
new checksum with the value that is sent with the data. If the values
do not match, the transmission contains an error.
is the preferred setting. Enabling the checksum generation
Disabled
or verification significantly impacts the router's performance.
Options
Prompt Description
Checksum Whether to enable or disable
generation generation of checksums for
state AppleTalk packets
Checksum Whether to enable or disable
verification verification of checksums for
state AppleTalk packets
Possible Values [Default]
enabled disabled
(factory
disabled
default), or
current value
enabled disabled
(factory
disabled
default), or
current value