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Cisco 7246 - uBR Router Panduan Tambahan

Chapter 1

Cisco 7200 Series Port Adapter Installation Requirements

Sample Bandwidth Configuration for the NPE-G1 or NPE-G2

This sample configuration is for a Cisco 7200 VXR chassis with an NPE-G1 or NPE-G2 installed. The

maximum points allowed for each PCI bus is 600 points. When any I/O controller is installed with the

NPE-G1 or NPE-G2, no bandwidth points are used. The Gigabit Ethernet interfaces on the NPE-G1 or

NPE-G2 also require no bandwidth points.

Table 1-2

Left Bus

Port Adapters:

PA-E3

PA-4E1G/120

I/O Controller:

C7200-I/O-2FE/E

Total points left bus:

NPE-G1 or NPE-G2 with a Port Adapter Jacket Card—Bandwidth Calculation

and Configuration Instructions

The Port Adapter Jacket Card works only with the NPE-G1 or NPE-G2 installed in Cisco 7200 VXR

router. Because of the third PCI bus provided by these network processing engines, the Port Adapter

Jacket Card PCI bus mb0 provides an additional 600 bandwidth points. Only one port adapter can be

inserted into the port adapter slot in the Port Adapter Jacket Card. Because no port adapter is assigned

more than 600 bandwidth points, there is no need to do any calculation of points for port adapter slot 5

(Cisco 7204 VXR) or slot 7 (Cisco 7206 VXR), PCI bus mb0.

NPE-400, NPE-300, and NSE-1 Bandwidth Calculation and Configuration

Instructions

For the I/O controller and each port adapter in your system, check the footnotes in

Step 1

any apply to your system.

If you have any dual-wide port adapters in your system, carefully read the port adapter configuration

Step 2

document to see what special conditions apply to these port adapters.

Calculate the bandwidth points requirements. For the I/O controller and each port adapter in your

Step 3

system, go to

Calculation Table, page

Assign each port adapter in your system to a chassis slot.

Step 4

•

OL-3875-11

Valid Configuration—Cisco 7200 VXR Router with NPE-G1 or NPE-G2

Table 1-6

and write down the bandwidth points requirements. Use the blank

1-22, to record your requirements.

Make sure that the total bandwidth points for slots 0, 1, 3, and 5 (left bus) are less than or equal to

600.

Make sure that the total bandwidth points for slots 2, 4, and 6 (right bus) are less than or equal to 600.

Installation Requirements Based on the NPE or NSE Installed

Bandwidth

Points

Right Bus

Port Adapters:

PA-E3

PA-2E3

Total points right bus:

180

Cisco 7200 Series Port Adapter Hardware Configuration Guidelines

Bandwidth Points

180

450

Table 1-6

to see if

Bandwidth

1-9