Setting Up Resilient Links 4-21
Viewing the Resilient Links Setup
With the Switch Management screen displayed,
choose the management level Unit and se lect the
RESILIENCE button.
The Unit Resilience Sum mary screen is displayed, as
shown in Figure 4-15. This screen shows the cur-
rent resilient link configuration for the unit, and
allows you to access the Port Resilience screen for
resilient link pairs.
The following read-only information is displayed:
MAIN Port This field displays the ID of the port
configured as the main port of the resilient link pair.
STANDBY Port This field displays the ID of the port
configured as the standby port of the resilient link
pair.
Pair State Active / Both Failed / Unknown / Not
Available This field displays the current state of this
resilient link pair:
■Active — The resilient link pair is enabled and
operating normally with both main and standby
port capable of carrying traffic.
■Both Failed — Although the resilient link pair is
correctly configured, both links have failed. Check
for any loose connections or cable damage.
■Unknown — The network configuration has
changed and the resilient link pair no longer con-
forms to the rules.
■Not Available — This resilient link pair is disabled.
Figure4-15 Unit Resilience Summary screen
Active Port Main / Standby / Both Failed This field
displays which port in the resilient link pair is cur-
rently carrying traffic:
■Main — The pair is operating in its normal state
with the main port carrying traffic.
■Standby — The main port has failed and the
standby port is carrying the traffic. You should
rectify the fault as soon as possible. If a main
port has a higher bandwidth than the standby
port, traffic is autom atically switched back pro-
vided no loss of link is detected for 2 minutes.
Otherwise, switch the traffic back manually by
setting the Active Port field in the Port Resilience
screen (described on page 4-19) to Main.
■Both Failed — Both ports of the resilient link pair
have failed. This could be due to loose connec-
tions or cable damage.