As soon as I changed the speed, the cost of the path increased and thus the SWITCH4 (the middle one) ports are mostly amber.
Switch>en
Switch#conf t
Switch(config)#interface range f0/1 - 6
Switch(config-if-range)#speed ?
10 Force 10 Mbps operation
100 Force 100 Mbps operation
auto Enable AUTO speed configuration
Switch(config-if-range)#speed 10
Now the question is why the 2 O'Çlock interface is amber but the 12 O'Clock interface is green???
3 comments:
Because total cost of the path via the 2'oclock will be 100+19=119 and if it goes via 12'oclock it will be only 100.
which switch is root bridge , the path to root bridge will be always on,
or provide me PKT file
please check the Bridge ID: the switch 5(12 O'clock) should be the one
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