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The switching method options are automatic switching and manual
switching. For automatic switching, the Passport 8250 changes from the
primary port to the secondary port. For details on automatic switching, see
"Configuring the redundant ATM uplink port for automatic switching"
(page 55).
For manual switching, you use the urconfig command to change from the
primary port to the secondary port. For details on manual switching, see
"Configuring the redundant ATM uplink port for manual switching"
(page 57).
Table 8
Urconfig command parameters
Parameter Definition
automatic
switching
active port
primary
port
Configuring the redundant ATM uplink port for automatic
switching
Note: Set the active port and primary port parameters to the same port
before setting the automatic switching parameter to on.
Chapter 4 Other activities in the CLI 55
The switching method.
on = automatic switching is enabled. The Passport 8250
device switches from the primary port to the secondary port
when the signal is lost on the primary port and a signal is
present on the secondary port. The active port and the primary
port parameters can not be modified.
off = default = automatic switching is disabled. You use the
urconfig command to change from the primary port to the
secondary port.
The port currently used to listen for incoming signals.
A = ATM uplink port A. Default.
B = ATM uplink port B
The port selected as the primary port. The other port is
automatically designated as the secondary port.
A = ATM uplink port A. Default.
B = ATM uplink port B
Passport 8250 Command Line Interface Guide R2.2
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