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Cisco ONS 15454 Reference Manual, R7.0.1
OL-9217-01
Chapter 11 Circuits and Tunnels
11.18 11.18.1 Rolls Window
released. You can use the bridge and roll feature for maintenance functions such as card or facility
replacement, or for load balancing. You can perform a bridge and roll on the following ONS platforms:
ONS 15454, ONS 15454 SDH, ONS 15600, ONS 15327, and ONS 15310-CL.
11.18.1 Rolls Window
The Rolls window lists information about a rolled circuit before the roll process is complete. You can
access the Rolls window by clicking the Circuits > Rolls tabs in either network or node view.
Figure 11-16 shows the Rolls window.
Figure 11-16 Rolls Window
The Rolls window information includes:
• Roll From Circuit—The circuit that has connections that will no longer be used when the roll
process is complete.
• Roll To Circuit—The circuit that will carry the traffic after the roll process is complete. The
Roll To Circuit is the same as the Roll From Circuit if a single circuit is involved in a roll.
• Roll State—The roll status; see the “11.18.2 Roll Status” section on page 11-38.
• Roll Valid Signal—If the Roll Valid Signal status is true, a valid signal was found on the new port.
If the Roll Valid Signal status is false, a valid signal was not found. It is not possible to get a
Roll Valid Signal status of true for a one-way destination roll.
• Roll Mode—The mode indicates whether the roll is automatic or manual.
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