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12-12 CHAPTER 12: ADMINISTERING APPLETALK® ROUTING
Configuring
Checksum
Checksum is a simple method used for detecting errors in the transmission
of data. Checksum generation totals the bytes comprising the data and
adds this sum to the end of the data packet. Checksum verification allows
you to verify the integrity of the data that is routed. You can enable or
disable checksum generation and verification states.
To enable or disable checksum generation/verification:
1 At the Administration Console’s top-level menu, enter:
appletalk checksum
2 Enter enable or disable at the checksum generation prompt.
3 Enter
enable or disable at the checksum verification prompt.
Pinging an
AppleTalk Node
The AppleTalk Echo Protocol (AEP) sends a datagram (an Echo Request)
from one node to another, which causes the destination node to return or
echo, the datagram (an Echo Reply) to the sender. This allows you to
determine whether a node is accessible before any sessions are started.
To ping an AppleTalk node:
1 At the Administration Console’s top-level menu, enter:
appletalk ping
You are prompted for a node address.
2 Enter the address of the node you want to ping.
If the node is accessible, you receive a response.
Top-Level Menu
system
ethernet
fddi
atm
bridge
ip
ipx
➧appletalk
snmp
analyzer
script
logout
interface
route
aarp
zone
forwarding
➧checksum
ping
statistics
Top-Level Menu
system
ethernet
fddi
atm
bridge
ip
ipx
➧appletalk
snmp
analyzer
script
logout
interface
route
aarp
zone
forwarding
checksum
➧ping
statistics