Chapter 4 Configuring the PA-POS-1OC3

Checking the Configuration

For more information on SONET APS, see the following documents:

•Automatic Protection Switching of Packet-over-SONET Circuits at the following URL:

http://www.cisco.com/en/US/products/sw/iosswrel/ps1824/products_feature_guide09186a0080087 ad9.html

•Configuring Redundancy for POS/APS at the following URL: http://www.cisco.com/warp/public/127/POS/pos-aps_14680.html

Checking the Configuration

After configuring the new interface, use show commands to display the status of the new interface or all interfaces, and use the ping and loopback commands to check connectivity. This section includes the following subsections:

•Using show Commands to Verify the New Interface Status, page 4-12

•Using the ping Command to Verify Network Connectivity, page 4-22

•Using loopback Commands, page 4-23

For complete command descriptions and examples, refer to the publications listed in the “Related Documentation” section on page viii.

Using show Commands to Verify the New Interface Status

Table 4-5demonstrates how you can use the show commands to verify that new interfaces are configured and operating correctly and that the PA-POS-1OC3 appears in them correctly. Sample displays of the output of selected show commands appear in the sections that follow.

Note The outputs that appear in this document may not match the output you receive when running these commands. The outputs in this document are examples only.

Table 4-5

Using show commands

 

 

 

 

 

 

 

 

 

Command

 

Function

Example

 

 

 

 

 

 

show version or

 

Displays system hardware configuration,

Router# show version

 

show hardware

 

the number of each interface type

 

 

 

 

 

 

 

installed, Cisco IOS software version,

 

 

 

 

 

 

 

names and sources of configuration files,

 

 

 

 

 

 

 

and boot images

 

 

 

 

 

 

 

 

show diag slot

 

Displays types of port adapters installed

Router# show diag 2

 

 

 

 

 

in your system and information about a

 

 

 

 

 

 

 

specific port adapter slot, interface

 

 

 

 

 

 

 

processor slot, or chassis slot

 

 

 

 

 

 

 

show interfaces pos

Displays status information about the pos

Router# show interfaces pos 1/0

 

port-adapter-slot-number/interface port

interface in the Cisco 7200 VXR routers,

 

 

 

number

 

Cisco 7201 router, Cisco 7301 router, or

 

 

 

 

 

 

 

Cisco 7401ASR router

 

 

 

 

 

 

 

 

 

 

 

 

PA-POS-1OC3 Single-Port Port Adapter Installation and Configuration Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-12

 

 

 

 

OL-6514-04

 

 

 

 

 

 

 

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Cisco Systems PA-POS-2OC3, PA-POS-1OC3 Checking the Configuration, Using show Commands to Verify the New Interface Status
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PA-POS-1OC3, PA-POS-2OC3 specifications

Cisco Systems has long been at the forefront of networking technology, providing solutions that empower organizations to enhance their connectivity and communication capabilities. Among its impressive lineup, the PA-POS-2OC3 and PA-POS-1OC3 modules stand out as significant components designed to optimize performance in service provider and enterprise environments.

The PA-POS-2OC3 and PA-POS-1OC3 modules are designed for use with the Cisco 7600 Series routers and are tailored for Packet Over SONET (POS) transport. Supporting the OC-3 speed of 155.52 Mbps, these modules provide reliable high-speed connectivity, enabling organizations to efficiently manage data traffic and ensure rapid data transfer across their networks. The PA-POS-2OC3 offers dual OC-3 capabilities, allowing for higher aggregate bandwidth and redundancy options, making it common in demanding network environments.

One of the main features of the PA-POS-2OC3 and PA-POS-1OC3 is their enhanced support for advanced networking protocols, including MPLS (Multiprotocol Label Switching). MPLS facilitates efficient data routing and improves bandwidth utilization by enabling multiple types of traffic to be consolidated over a single network. This is crucial for organizations looking to deploy services like VoIP, video conferencing, and other bandwidth-intensive applications.

The modules also offer robust error correction and monitoring capabilities, which are essential for maintaining service quality in mission-critical applications. Administrators can monitor performance and diagnose issues in real-time, enabling swift responses to potential concerns that could disrupt service.

Moreover, the PA-POS-2OC3 and PA-POS-1OC3 are designed with features that support enterprise-grade security and scalability. This is particularly beneficial for organizations expecting growth or requiring enhanced protection for sensitive data as it traverses the network.

In summary, Cisco's PA-POS-2OC3 and PA-POS-1OC3 modules represent essential building blocks for high-speed networking solutions. Their support for OC-3 connectivity, advanced routing protocols, and robust monitoring capabilities make them ideal for both service providers and enterprises. Through increased scalability, improved bandwidth management, and enhanced security, these modules allow organizations to adapt to the ever-evolving landscape of data communications effectively. With Cisco at the helm, businesses can trust in a networking solution that not only meets current demands but is also primed for future growth.
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