March 2007
Beginner
526 pages
13h 53m
English
book
Introduction to the New Mainframe: z/VSE Basics
by Wolfgang Bosch, Hans Joachim Ebert, Helmut Hellner, G. M. (Jerry) Johnston, Wilhelm Mild, Ingolf Salm, Joerg Schmidbauer, Martin Walbruehl, Mike Ebbers
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418 Introduction to the New Mainframe: z/VSE Basics
17.7 Exercises
1. From the z/VSE console, enter the TCP/IP command QUERY SET.
– What is the home IP address?
– What is the time interval for packet retransmission (retransmit time)?
– Is this TCP/IP host acting as a gateway?
2. From the z/VSE console, enter the following VTAM commands:
D NET,APPLS
D NET,MAJNODES
D NET,TOPO,LIST=SUMMARY
D NET,SESSIONS
D NET,SESSIONS,LIST=ALL
Briefly describe how the output of this command could be useful.
3. From a WINDOWS XP system:
– Enter ping your.ip.addr.ess.
– Enter tracert your.ip.addr.ess.
– Enter nslookup.
• Enter a WWW address, like www.ibm.com.
• Exit the nslookup (Nameserver Lookup) (exit).
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