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Communication options
Each Tivoli Storage Manager client needs basic communication settings to send
or receive data. You can choose any protocol that is supported by Tivoli Storage
Manager, provided that both client and server are properly configured for them.
Depending on the type of Tivoli Storage Manager server, you may need help
from the system administrator to put all the necessary communication definitions
in place. The server may have multiple communication protocols configured. If
that is the case, you may choose any of those to start communicating with the
Tivoli Storage Manager server.
Here is a list of communication options you need to set:
COMMMETHOD
Specifies the communication method used for client-server communication.
The Tivoli Storage Manager server options file (dsmserv.opt) must have
specified the same communication method with a valid port address so that
the server can accept client requests. Examples of various communications
methods available are TCP/IP, HTTP (for Web client), shared memory, or
named pipe. The vast majority of Tivoli Storage Manager configurations use
TCP/IP for regular backup-archive operations.
TCPSERVERADDRESS
Specifies the TCP/IP address or host name of a Tivoli Storage Manager
server. If using the host name, make sure that it is resolvable on the client
machine; otherwise, you will not be able to connect to the Tivoli Storage
Manager server. If you use name resolution, you will depend on the DNS to
be up and running. If you believe that name resolution may not be always
available during your backup windows, consider using the IP address instead.
Although it gives you less flexibility, it will work despite any name resolution
service problem.
TCPPORT
Specifies a TCP/IP port address for a Tivoli Storage Manager server. The
default value is 1500.
TCPCLIENTPORT
Specifies a different TCP/IP port number for the server to contact than the
one that was used to make the first server contact. This option is used with
server-prompted scheduling, and only while the scheduler is running. The
default value is 1501.
TCPWINDOWSIZE
Specifies the size, in kilobytes, of the TCP/IP sliding window for the client
node. This setting is highly operating-system specific. You must only use the
allowed values for your TCP/IP implementation.
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IBM Tivoli Storage Manager Implementation Guide
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