Chapter 1 General Troubleshooting

Circuits and Timing

Step 4 At the VLAN port set to Untag, click the port and choose Tagged.

Note The attached external devices must recognize IEEE 802.1Q VLANs.

Step 5 After each port is in the appropriate VLAN, click Apply.

1.7 Circuits and Timing

This section provides solutions to circuit creation and reporting errors, as well as common timing reference errors and alarms.

1.7.1 Circuit Transitions to Partial State

Symptom An automatic or manual transition of a circuit from one state to another state results in one of the following partial state conditions:

•OOS_PARTIAL—At least one of the connections in the circuit is in OOS state and at least one other connection in the circuit is in IS, OOS_MT, or OOS_AINS state.

•OOS_MT_PARTIAL—At least one connection in the circuit is in OOS_MT state and at least one other connection in the circuit is in IS, OOS_MT, or OOS_AINS state.

•OOS_AINS_PARTIAL—At least one connection in the circuit is in the OOS_AINS state and at least one other connection in the circuit is in IS or OOS_AINS state.

Table 1-25describes the potential cause(s) of the symptom and the solution(s).

Table 1-25 Circuit in Partial State

Possible Problem

Solution

 

 

During a manual

Repeat the manual transition operation. If the partial state persists, determine

transition, CTC cannot

which node in the circuit is not changing to the desired state. Refer to the

communicate with one

“View the State of Circuit Nodes” procedure on page 1-67.

of the nodes or one of

Log onto the circuit node that did not change to the desired state and

the nodes is on a version

determine the version of software. If the software on the node is Software

of software that does

R3.3 or earlier, upgrade the software. Refer to the Cisco ONS 15327

not support the new

Software Upgrade Guide for software upgrade procedures.

state model.

Note If the node software cannot be upgraded to Software R3.4, the partial

 

 

state condition can be avoided by only using the circuit state(s)

 

supported in the earlier software release.

 

 

Cisco ONS 15327 Troubleshooting Guide, R3.4

1-66

April 2003

 

 

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Cisco Systems ONS 15327 manual Circuits and Timing, Circuit Transitions to Partial State
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ONS 15327 specifications

Cisco Systems ONS 15327 is a high-performance optical networking solution tailored for service providers and enterprises looking to enhance their optical communication infrastructure. This versatile platform is recognized for its robust performance, scalability, and flexibility, making it suitable for a wide array of applications ranging from broadband access to metropolitan area networking.

One of the standout features of the ONS 15327 is its ability to handle multiple data types over a single platform. It supports a rich array of protocols, including Ethernet and SONET/SDH, allowing service providers to deliver a diverse portfolio of services to their customers. This multiservice capability simplifies the network architecture, reducing operational complexity and costs.

The ONS 15327 is designed with a modular architecture, which enables operators to customize and scale their network as demand grows. It supports a variety of card options for different media types, wavelengths, and capacity requirements. This modularity not only facilitates straightforward upgrades but also allows for efficient network management.

In terms of technology, the ONS 15327 leverages dense wavelength division multiplexing (DWDM) capabilities to maximize the utilization of available fiber bandwidth. This allows for an impressive increase in transmission capacity without the need for additional fiber installations, making it a cost-effective solution for expanding networks.

Another significant characteristic of the Cisco ONS 15327 is its advanced performance monitoring and management features. Built-in diagnostic tools provide real-time visibility into network performance, enabling prompt identification and troubleshooting of potential issues. This proactive approach to network management enhances service reliability and customer satisfaction.

Security is also paramount in the ONS 15327. The platform integrates various security features and protocols to protect the data traversing the network, ensuring compliance with industry standards and safeguarding sensitive information.

Furthermore, the equipment is designed for easy integration into existing infrastructures. Its compatibility with Cisco’s broader networking solutions allows for seamless interconnection with routers, switches, and other devices, facilitating comprehensive network solutions.

In conclusion, Cisco Systems ONS 15327 stands out as a powerful optical networking platform that combines versatility, scalability, and advanced management features. Its ability to support various protocols and harness optical technologies makes it an essential tool for organizations aiming to optimize their telecommunications infrastructure while minimizing costs and complexity.
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