Chapter 4 Configuring the PA-POS-1OC3

Checking the Configuration

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

POS1/1 is administratively down, line protocol is down

VIP in Cisco 7500 Series Routers—Example Output of the show interfaces Command

Following is an example of the show interfaces pos command used with the VIP. In this example, the pos interfaces is on a port adapter in port adapter slot 1 of a VIP in interface processor slot 1. Most of the status information for each interface is omitted. (Interfaces are administratively shut down until you enable them.)

Router#show interface pos 1/1/0 POS1/1/1 is up, line protocol is up

Hardware is Packet Over Sonet Internet address is 11.0.0.1/16

MTU 4470 bytes, BW 155000 Kbit, DLY 100 usec, reliability 240/255, txload 4/255, rxload 1/255

Encapsulation HDLC, crc 16, loopback not set Keepalive not set

Scramble disabled

Last input 00:24:38, output 02:58:40, output hang never Last clearing of "show interface" counters 00:00:52

Input queue:0/75/0/0 (size/max/drops/flushes); Total output drops:0 Queueing strategy:fifo

Output queue:0/40 (size/max)

5 minute input rate 366000 bits/sec, 953 packets/sec

5 minute output rate 2977000 bits/sec, 7476 packets/sec

100 packets input, 856 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles 0 parity

8 input errors, 8 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 0 packets output, 0 bytes, 0 underruns

0 output errors, 0 applique, 0 interface resets

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

Using the ping Command to Verify Network Connectivity

You can use the ping command to verify that an interface port is functioning properly. This section provides a brief description of this command. Refer to the publications listed in the “Related Documentation” section on page viii for detailed command descriptions and examples.

The ping command sends echo request packets out to a remote device at an IP address that you specify. After sending an echo request, the system waits a specified time for the remote device to reply. Each echo reply is displayed as an exclamation point (!) on the console terminal; each request that is not returned before the specified timeout is displayed as a period (.). A series of exclamation points (!!!!!) indicates a good connection; a series of periods (.....) or the messages (timed out) or (failed) indicate a

bad connection.

Following is an example of a successful ping command to a remote server with the address 10.0.0.10:

Router# ping 10.0.0.10 <Return>

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echoes to 10.0.0.10, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/15/64 ms Router#

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Cisco Systems PA-POS-2OC3 manual Using the ping Command to Verify Network Connectivity, Router# ping 10.0.0.10 Return

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.