March 2019
Beginner
756 pages
18h 45m
English
book
Mastering VMware vSphere 6.7 - Second Edition
by Martin Gavanda, Andrea Mauro, Paolo Valsecchi, Karel Novak
Content preview from Mastering VMware vSphere 6.7 - Second Edition
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MAC tables and MAC learning process
Physical switches use MAC tables to perform frame forwarding. Physical switches learn and build the MAC table. The switch reads the Ethernet headers and learns the MAC address of the device and makes an entry in its MAC table.
By populating MAC tables, the switches learn on which physical port the corresponding client MAC address is located. This is the example output from the Juniper physical switch:
admin@sw-dc-1> show ethernet-switching table Ethernet-switching table: 245 entries, 230 learned, 0 persistent entries VLAN MAC address Type Age Interfaces lan * Flood - All-members lan 00:07:4d:6a:64:3d Learn 3:00 ge-1/0/15.0 lan 00:0c:29:20:4c:bf Learn 0 ge-0/0/1.0 lan 00:0c:29:53:1b:64 Learn 0 ge-0/0/1.0 ...
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