QTECH QSW-3400 Инструкция по настройке - Manual (Page 75)

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Command Explanation
Admin Mode and Global Mode
show isolate-port group [ <WORD> ] Display the configuration of port isolation,
including all configured port isolation groups
and Ethernet ports in each group.
6.3 Port Isolation Function Typical Examples
Typical example of port isolation function
The topology and configuration of switches are showed in the figure above, with e1/1, e1/10
and e1/15 all belonging to VLAN 100. The requirement is that, after port isolation is enabled on
switch S1, e1/1 and e1/10 on switch S1 can not communicate with each other, while both of
them can communicate with the uplink port e1/15. That is, the communication between any
pair of downlink ports is disabled while that between any downlink port and a specified uplink
port is normal. The uplink port can communicate with any port normally.
The configuration of S1:
Switch(config)#isolate-port group test
Switch(config)#isolate-port group test switchport interface ethernet
1/1;1/10
e1/1 S1
Vlan
100
e1/15
S3 S2
e1/10