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6: T
ROUBLESHOOTING
Verifying ATM OC-3
Switchover
If the Redundant ATM OC-3 card does not become active upon failure
of the primary ATM OC-3, use the following command to verify that
the PHY Automatic Failover parameter is Enabled:
CB5000> show module <slot.phy>
verbose
If the PHY_Automatic_Failover
parameter is not Enabled, use the
following command to enable it:
CB5000> set module <slot>.1 phy_automatic_failover enable
If the ATM Backbone SwitchModule is still experiencing problems after
you complete the procedures above, refer to Obtaining Technical
Assistance later in this chapter.
Resetting the ATM
Backbone
SwitchModule
You can reset the ATM Backbone SwitchModule by either pressing the
front panel Reset button or issuing the DMM Reset command.
CAUTION:
If you reset the ATM Backbone SwitchModule using the
DMM RESET command, the module does not lose saved setup
information. However, performing a reset may cause some of the data
being transmitted at that moment to be lost and statistic counters to
be reset to zero.
Using the Reset
Button
Each ATM Backbone SwitchModule front panel houses a Reset button.
The Reset button resets the ATM Backbone SwitchModule and executes
power up self-test diagnostics.
CAUTION:
Use the Reset button only if you suspect a problem with the
ATM Backbone SwitchModule. Using the Reset button to reset an ATM
Backbone SwitchModule disrupts network traffic.
To ensure that you do not lose any configuration information, before
you use the Reset button:
■
Save any configuration changes
■
Wait at least 30 seconds after saving configuration changes