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4-20 C
HAPTER
4: M
ANAGING
T
HE
S
WITCH
3000 TX
■
Both Failed
— Although the resilient link is cor-
rectly configured, both links have failed. This
could be due to loose connections or cable dam-
age.
■
Unknown
— The network configuration has
changed and the resilient link pair no longer con-
forms to the rules.
■
Not Available
— The resilient link pair is disabled.
Active Port
Main / Standby
If a main link does
not
have a higher bandwidth than its standby link, traf-
fic is
not
automatically switched back to the main
link when it recovers. Use this field to manually
switch traffic back to the main link.
Pair Enable
Enabled / Disabled
Use this field to
enable or disable the resilient link pair. Before you
disable a resilient link pair, you must remove
cabling from the ports to avoid creating loops in
your network configuration.
Creating a Resilient Link Pair
1
Ensure that the port nominated as the standby port
is not physically connected to the unit.
2
Ensure both ports have an identical port security
mode configuration and that they are members of
the same VLAN.
3
At the Switch Management screen, select the port
to be configured as the main port in the link. Select
the RESILIENCE button at the foot of the screen.
4
Select the standby port from the Standby Links
Available listbox or enter the port ID in the Standby
Port ID field.
5
Enable the pair in the Pair Enabled field. Select
APPLY.
6
Connect the cabling for the standby port.
Deleting a Resilient Link Pair
To delete a resilient link set up on a port, select the
DELETE button at the foot of the screen. The Port
Resilience screen closes and the Switch Manage-
ment screen is displayed.