January 2006
Intermediate to advanced
226 pages
6h 11m
English
book
Linux for IBM System z9 and IBM zSeries
by Gregory Geiselhart, Robert Brenneman, Eli Dow, Klaus Egeler, Torsten Gutenberger, Bruce Hayden, Livio Sousa
Content preview from Linux for IBM System z9 and IBM zSeries
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108 Linux for IBM System z9 and IBM zSeries
4.7 Virtual Switch
The z/VM Virtual Switch (VSWITCH) introduced with z/VM V4.4 builds on the
Guest LAN technology delivered in earlier z/VM releases. VSWITCH connects a
Guest LAN to an external network using an OSA-Express port. Two additional
OSA-Express ports can be specified as backups in the VSWITCH definition. The
Linux guests connected to the VSWITCH are on the same subnet as the
OSA-Express port or ports and other machines connected to that physical LAN
segment.
The z/VM V4.4 implementation of VSWITCH operates at Layer 3 (network layer)
of the OSI model. It only supports the transport of IP packets. In other words, it
only can be used for TCP/IP applications. All destinations are identified ...
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