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7-3
Cisco ONS 15600 Reference Manual, R7.2
Chapter 7 Circuits and Tunnels
7.2 Circuit Properties
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Direction—The circuit direction, either two-way or one-way.
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Status—The circuit status; for details, see the “7.2.2 Circuit Status” section on page 7-6.
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Source—The circuit source in the format: node/slot/port/STS. If an ASAP PPM port is the circuit
source, the port format is PIM-PPM-port, where pluggable interface module (PIM) and PPM values
are 1 through 4 (for example, p1-1-1). PPMs have only one port.
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Destination—The circuit destination in the format: node/slot/port/STS. If an ASAP PPM port is the
circuit destination, the port format is PIM-PPM-port, where PIM and PPM values are 1 through 4
(for example, p1-1-1). PPMs have only one port.
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# of VLANS—(Future use) The number of VLANs used by an Ethernet circuit.
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# 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.
For each node in the span, the span detail shows the node/slot (card type)/port/STS/VT.
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State—The circuit state; for details, see the “7.2.3 Circuit States” section on page 7-7.
The Filter button allows you to filter the circuits in network, node, or card view based on circuit name,
size, type, direction, and other attributes. In addition, you can export the Circuit window data in HTML,
comma-separated values (CSV), or tab-separated values (TSV) format using the Export command from
the File menu.
Figure 7-1 ONS 15600 Circuit Window in Network View
The ONS 15600 supports up to 6144 STS-1 circuits. The Circuit Filter feature allows you to reduce the
number of circuits that appear in the Circuits window. You can specify certain filter criteria, such as
name, direction, and state; only the circuits that match the criteria will appear in the Circuits window.