iES22GF User’s Manual
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iS5 Communications Inc.
In Dual Port Recovery function if link of port in “Forwarding” state goes down, the “backup” port is changing
its state to be forwarding, like in picture below. The disconnected port changes its status to “No Link”
When link of port 1 on switch 2 returns back to be link up, the switch 1 port 1 is in “forwarding” state and in
this case the “No Link” port is changing its status to be “Blocking” port.
Dual Port Recovery-Configuration
Dual Port Recovery interface
Label
Description
Enable
Activate the Dual Port Recovery mode.
Active Port
Choosing the port which connects to the unmanaged switch/ring of
switches.
Note: User need to select one port to be Active Port on each of two
