Circuits
(ONS 15454 SDH only) Use the Circuits tab of the RPR Topology window to view information about the RPR circuits.
 
Item
Description
Circuit Name
The name of the circuit. The circuit name can be manually assigned or automatically generated.
Type
Circuit types are VC.
Size
Circuit size is VC-1.
OCHNC Wlen
Does not apply for RPR rings.
Dir
The circuit direction, either two-way or one-way.
OCHNC Dir
Does not apply for RPR rings.
Protection
The type of circuit protection. See Circuit Protection Types for descriptions.
Status
The circuit status. See Circuit Statuses for descriptions.
Source
The circuit source in the format: node/slot/port “port name”/HOP/LOP. The port name appears in quotes. Node and slot always appear; port “port name”/HOP/LOP might appear, depending on the source card, circuit type, and whether a name is assigned to the port. The port will appear as pRPR East or pRPR West.
Destination
The circuit destination in the same format as the circuit source.
# of VLANs
The number of VLANs used by an Ethernet circuit.
# of Spans
The number of internode links that constitute the circuit. Right-clicking the column shows a shortcut menu from which you can choose Span Details to show or hide circuit span detail. If Span Details is checked, the column name changes to “Spans” and this column displays all circuit span information. For each node in the span, the span detail shows the node/slot (card type)/port/HOP/LOP.
State
The circuit state. See Circuit States.
Loopback
Identifies if a port on the circuit is in loopback (LPBK).
Refresh
Updates the circuit information.
Clear RPR Topology
Clears the RPR topology links and the Ring Stability, Protection Mode, and Jumbo Preference values.
Close
Closes the RPR Topology window.
Help
Displays context-sensitive help.

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