Cisco 7200 Series Port Adapter Hardware Configuration Guidelines
Cisco 7200 Series Port Adapter Installation Requirements
Downloads: This chapterpdf (PDF - 576.0KB) The complete bookPDF (PDF - 706.0KB) | Feedback

Cisco 7200 Series Port Adapter Installation Requirements

Table Of Contents

Cisco 7200 Series Port Adapter Installation Requirements

Chassis Overview—Front View

Chassis Overview—Rear View

Configuration Guidelines and Requirements

PCI Buses and Port Adapter and I/O Controller Architecture

Port Adapter Slot Numbering

Guidelines for Installation

Installation Requirements Based on the NPE or NSE Installed

NPE-G1 or NPE-G2 Bandwidth Calculation and Configuration Instructions

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

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

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

Sample Bandwidth Configuration for the NPE-400, NPE-300, and NSE-1

NPE-225, NPE-200, NPE-175, NPE-150, and NPE-100 Bandwidth Calculation and Configuration Instructions

Sample Bandwidth Configuration for the NPE-225, NPE-200, NPE-175, and NPE-150

Bandwidth and Bandwidth Point Requirements

Requirements Summary

Port Adapter Jacket Card

NPE-G1 or NPE-G2

NPE-400, NPE-300, NSE-1

NPE-225, NPE-200, NPE-175, NPE-150

NPE-100

Bandwidth Table

Bandwidth Calculation Table

Messages for One Port Use of Specific Port Adapters and an I/O Controller

NPE-400

NPE-G1 or NPE-G2

Error Messages


Cisco 7200 Series Port Adapter Installation Requirements


Cisco 7200 series routers (the 2-slot Cisco 7202, the 4-slot Cisco 7204 and Cisco 7204VXR, and the 6-slot Cisco 7206 and Cisco 7206VXR) support multiprotocol, multimedia routing and bridging with a wide variety of protocols and media types. Network interfaces reside on port adapters that provide a connection between the routers' Peripheral Component Interconnect (PCI) buses and external networks. Port adapters can be placed in any available port adapter slot, in any desired combination.


Note For information about the Cisco 7206 and Cisco 7206VXR as router shelves in a Cisco AS5800 Universal Access Server, refer to the Cisco AS5800 Universal Access Server documentation listed in the "Other Documentation" section on page vi.


This chapter contains the following sections:

Chassis Overview—Front View

Chassis Overview—Rear View

Configuration Guidelines and Requirements

PCI Buses and Port Adapter and I/O Controller Architecture

Port Adapter Slot Numbering

Guidelines for Installation

Installation Requirements Based on the NPE or NSE Installed

NPE-G1 or NPE-G2 Bandwidth Calculation and Configuration Instructions

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

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

NPE-225, NPE-200, NPE-175, NPE-150, and NPE-100 Bandwidth Calculation and Configuration Instructions

Bandwidth and Bandwidth Point Requirements

Requirements Summary

Bandwidth Table

Bandwidth Calculation Table

Messages for One Port Use of Specific Port Adapters and an I/O Controller

Error Messages

NPE-400

NPE-G1 or NPE-G2

Chassis Overview—Front View

The front of Cisco 7200 series routers provides access to an input/output (I/O) controller and up to two, four, or six network interface port adapters. The I/O controller has a local console port for connecting a data terminal (or data terminal equipment [DTE]) and an auxiliary port for connecting a modem (or other data communications equipment [DCE]) or other devices for configuring and managing the router; PC Card slots for PC Cards or Flash Disks; and optional Ethernet, Fast Ethernet, or Gigabit Ethernet ports.

The NPE-G1 and NPE-G2 work with the I/O controller when installed in a Cisco 7200 VXR router. The NPE-G1 or NPE-G2 can also be used without an I/O controller; both have three Gigabit Ethernet interfaces, with a total of three of six ports (three RJ-45 and three GBIC modules on the NPE-G1, or three SFP modules on the NPE-G2) available at one time, a CompactFlash Disk, and a console port and auxiliary port. In addition, the NPE-G2 has a Fast Ethernet Management port and two USB ports for security tokens and data file storage. The Port Adapter Jacket Card can be used in the I/O controller slot, if an NPE-G1 or NPE-G2 is installed.

Figure 1-1 shows a Cisco 7206VXR with installed port adapters and an I/O controller with a Fast Ethernet port.

Figure 1-1 Cisco 7200 Series Router—Front View (Cisco 7206VXR Shown)

1

Blank port adapter

5

Optional Fast Ethernet port (MII port and RJ-45 port)

2

Port adapter lever

6

Port adapters

3

I/O controller

7

Auxiliary port

4

PC Card slots

8

Console port



Note A blank port adapter is installed in port adapter slot 5 in Figure 1-1. To ensure adequate airflow across the router's internal components, ensure that each port adapter slot is filled with either a port adapter or a blank port adapter.


The port adapters installed in Cisco 7200 series routers are of the same type as those installed in other Cisco 7000 family routers. Cisco 7200 series routers support the online insertion and removal (OIR) of installed port adapters.

Chassis Overview—Rear View

Figure 1-2 Cisco 7200 Series Router—Rear View

1

Power supply filler plate

5

AC-input power supply

2

Chassis grounding receptacles

6

AC-input power receptacle

3

Network processing engine or network services engine

7

Internal fans

4

Power switch

   

The rear of Cisco 7200 series routers provides access to a network processing engine (NPE) or network services engine (NSE) and up to two 280W AC-input or DC-input power supplies (see Figure 1-2).

Most NPEs and the NSE have no external connectors or LEDs. There is a handle for removing and installing the engines and two captive installation screws for securing them to the chassis.

The NPE-G1 and NPE-G2 have external connectors for Gigabit Ethernet interfaces, and a console port and auxiliary port; the NPE-G2 also has a Fast Ethernet Management port. The NPE-G1 and NPE-G2 also have a cable-management bracket.

A fully configured Cisco 7200 series router operates with only one installed power supply; however, a second, optional power supply of the same type provides hot-swappable, load-sharing, redundant power. The power supply has the router's main power switch and either an AC-input power receptacle, or three hardwired DC-input power leads (depending on the type of installed power supply). Adjacent to the power supply bays are two chassis grounding receptacles that provide a chassis ground connection for ESD equipment or a two-hole grounding lug (see Figure 1-2).


Note The Cisco 7200 series routers do not support a mix of installed AC-input and DC-input power supplies. Figure 1-2 shows the rear of a Cisco 7200 series router configured with a single 280W AC-input power supply. (A power supply filler plate is installed over the second power supply bay.)


Three internal fans draw cooling air into the chassis interior and across internal components to maintain an acceptable operating temperature (see Figure 1-2). The three fans are enclosed in a tray that is located in the subchassis.

The I/O controller, port adapters, Port Adapter Jacket Card, power supplies, and NPE or NSE slide into their respective chassis slots and connect directly to the router midplane; there are no internal cables to connect.

Configuration Guidelines and Requirements

Understanding the relationship between the three Peripheral Component Interconnect (PCI) buses, I/O controller, and port adapters is important in understanding the rationale for the bandwidth point information that is provided in this document.

PCI Buses and Port Adapter and I/O Controller Architecture

All port adapters and service adapters installed in Cisco 7200 series routers connect to one of two Peripheral Component Interconnect (PCI) buses, mb1(left bus) or mb2 (right bus), on the router midplane that provide a path to packet I/O memory and the system (routing and switching) processor.

The optional ports on the I/O controller connect to a third PCI bus, mb0 (left bus), that connects to one of the PCI buses or to both of the PCI buses, depending on which network processing engine (NPE) or network services engine (NSE) is installed and supported in your system.

With an NPE-G1 or NPE-G2 installed, the I/O controller connects on the third PCI bus, mb0, which connects directly into the NPE-G1 or NPE-G2. When installed with the NPE-G1 or NPE-G2, the I/O controller does not take bandwidth from the two PCI buses (left and right) dedicated to the port adapters.

The Port Adapter Jacket Card, for use in the Cisco 7200 VXR routers and only with the NPE-G1 or NPE-G2, installs in the I/O controller slot on PCI bus mb0. Because the Port Adapter Jacket Card accepts only one port adapter, and the PCI bus provides another 600 bandwidth points, this bus cannot be oversubscribed because no port adapter is assigned more than 600 bandwidth points.

Guidelines for distributing the port adapters evenly between the two buses are given in the "Guidelines for Installation" section.

Port Adapter Slot Numbering

Figure 1-3 Cisco 7200 Series Port Adapter Slot Numbering—Cisco 7206 Shown

1

Blank port adapter

5

Port adapter slot 0

2

Port adapter slot 5 (left bus—mb1)

6

Port adapter slot 6 (right bus—mb2)

3

Port adapter slot 3 (left bus—mb1)

7

Port adapter slot 4 (right bus—mb2)

4

Port adapter slot 1 ((left bus—mb1)

8

Port adapter slot 2 (right bus—mb2)


Figure 1-3 shows the port adapter slot numbering for the Cisco 7200 series routers. Figure 1-4 shows the port adapter slot numbering for the Cisco 7200 VXR routers with the Port Adapter Jacket Card installed.

For the Cisco 7202, Cisco 7204, and Cisco 7206 routers, port adapters in odd-numbered slots connect to PCI bus mb1 (left bus). Port adapters in even-numbered slots connect to PCI bus mb2 (right bus). The I/O controller connects to PCI bus mb0 (left bus), port adapter slot 0. The I/O controller is considered part of the left bus when calculating bandwidth points.

For the Cisco 7204VXR and Cisco 7206VXR routers, port adapters in odd-numbered slots connect to PCI bus mb1 (left bus). Port adapters in even-numbered slots connect to PCI bus mb2 (right bus). The I/O controller connects to PCI bus mb0 (left bus), port adapter slot 0. The I/O controller is considered part of the left bus when calculating bandwidth points, except in the case of the NPE-G1 or NPE-G2. With the NPE-G1 or NPE-G2 installed, the I/O controller connects on the third PCI bus, mb0, which connects directly into the NPE-G1 or NPE-G2, and so does not use bandwidth points.


Note The NPE-G1 and NPE-G2 installs only in the Cisco 7204VXR and Cisco 7206VXR routers.


Figure 1-4 Cisco 7200 VXR Port Adapter Slot Numbering—With Port Adapter Jacket Card

1

Port adapter slot 5 (left bus)

5

Port adapter slot 6 (right bus)

2

Port adapter slot 3 (left bus)

6

Port adapter slot 4 (right bus)

3

Port adapter slot 1 (left bus)

7

Port adapter slot 2 (right bus)

4

Port Adapter Jacket Card slot 0 (mb0 bus), and port adapter slot 7

   


Note The Port Adapter Jacket Card works only with an NPE-G1 or NPE-G2 installed.


The Port Adapter Jacket Card installs into the I/O controller slot on the third PCI bus, mb0. The Port Adapter Jacket Card is designated slot 0, and the port adapter installed in it is designated port adapter slot 7 on the Cisco 7206 VXR router, and slot 5 on the Cisco 7204 VXR router.

Guidelines for Installation

Cisco 7200 series routers have a finite data-carrying capacity, referred to as bandwidth, that affects the port adapter distribution in the chassis, as well as the number and types of port adapters you can install.

To ensure that your Cisco 7200 series router port adapter configuration is within the router operating limits, observe the following guidelines and requirements when planning to install a port adapter, network processing engine or network services engine, or I/O controller. "Memory Requirements," provides information about various types of memory requirements for the hardware and software that support port adapters.

Table 1-1 provides general guidelines for Cisco 7200 series routers.

Table 1-1 Initial Guidelines for Cisco 7200 Series Routers 

Question
Answer

What port adapters are supported on which Cisco IOS release?

If you have a Cisco.com login ID1 , use the Software Advisor. To access the Software Advisor, go to:

http://www.cisco.com, Technical Support and Documentation, and click Tools and Resourcess, and click Software Advisor. Under Software Support for Hardware, click the appropriate link. Then choose your platform and a Cisco IOS release.

Do NPEs or the NSE use bandwidth points?

No. The network processing engine (NPE) or network services engine (NSE) provide bandwidth to the system. Newer NPEs or NSEs provide more bandwidth than older NPEs.

Are there memory requirements associated with both the individual port adapter and the number and type of port adapters that can be installed?

For individual port adapter processor memory requirements, see Table 1-6. For NPE or NSE, Cisco IOS, and router SDRAM memory requirements, see "Memory Requirements."

1 You can request a Cisco.com login ID. To become a registered user, refer to Registration at http://tools.cisco.com/RPF/register/register.do.


Installation Requirements Based on the NPE or NSE Installed

To ensure that your Cisco 7200 series port adapter configuration is within the router operating limitations, determine your model of network processing engine or network services engine and observe the following guidelines:

For NPE-G1 or NPE-G2, go to the "NPE-G1 or NPE-G2 Bandwidth Calculation and Configuration Instructions" section.

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

For NPE-400, NPE-300 and NSE-1, go to the "NPE-400, NPE-300, and NSE-1 Bandwidth Calculation and Configuration Instructions" section.

For NPE-225, NPE-200, NPE-175, NPE-150, and NPE-100, go to the "NPE-225, NPE-200, NPE-175, NPE-150, and NPE-100 Bandwidth Calculation and Configuration Instructions" section.

NPE-G1 or NPE-G2 Bandwidth Calculation and Configuration Instructions


Step 1 For each port adapter in your system, check the footnotes in Table 1-6 to see if any apply to your system.

Step 2 If you have any dual-wide port adapters in your system, carefully read the port adapter configuration document to see what special conditions apply to these port adapters.

Step 3 Calculate the bandwidth points requirements. For each port adapter in your system, go to Table 1-6 and write down the bandwidth points requirements. Use the blank Bandwidth Calculation Table, to record your requirements.


Note Do not calculate bandwidth points for an I/O controller if it is installed in the Cisco 7200 VXR router with an NPE-G1 or NPE-G2. With the NPE-G1 or NPE-G2, I/O controllers do not use bandwidth or bandwidth points.


Step 4 Assign each port adapter in your system to a chassis slot.

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.

Step 5 Make sure that the bandwidth points are evenly distributed between the left (odd-numbered slots) and right (even-numbered slots) buses. Include the I/O controller in your determination of balance for the left odd-numbered slots. Fill the slots in the following order: 2, 1, 4, 3, 6, 5.

Step 6 Check your Cisco IOS release and port adapter SDRAM memory requirements as detailed in "Memory Requirements.".


You are finished calculating your port adapter configuration.

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

Left Bus
Bandwidth Points
Right Bus
Bandwidth Points

Port Adapters:

 

Port Adapters:

 

PA-E3

90

PA-E3

  90

PA-E3

90

PA-2E3

180

PA-4E1G/120

0

PA-2E3

180

I/O Controller:
 

 

 

C7200-I/O-2FE/E

0

 

 

Total points left bus:

180

Total points right bus:

450


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


Step 1 For the I/O controller and each port adapter in your system, check the footnotes in Table 1-6 to see if any apply to your system.

Step 2 If you have any dual-wide port adapters in your system, carefully read the port adapter configuration document to see what special conditions apply to these port adapters.

Step 3 Calculate the bandwidth points requirements. For the I/O controller and each port adapter in your system, go to Table 1-6 and write down the bandwidth points requirements. Use the blank Bandwidth Calculation Table, to record your requirements.

Step 4 Assign each port adapter in your system to a chassis slot.

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.

Step 5 Make sure that the bandwidth points are evenly distributed between the left (odd-numbered slots) and right (even-numbered slots) buses. Include the I/O controller in your determination of balance for the left odd-numbered slots. Fill the slots in the following order: 2, 1, 4, 3, 6, 5.

Step 6 Check your Cisco IOS release and port adapter SDRAM memory requirements as detailed in Chapter 2.


You are finished calculating your port adapter configuration.


Note Dual-width port adapters occupy two horizontally aligned port adapter slots when installed in a Cisco 7200 series router; however, dual-width port adapters do not use both PCI bus mb1 (left bus) and PCI bus mb2 (right bus) when operating in the router.

The dual-width PA-A2 port adapter uses only PCI bus mb2 (right bus) when installed in a Cisco 7200 series router.

The dual-width PA-12E/2FE port adapter autoselects PCI bus mb1 (left bus) or PCI bus mb2 (right bus) based on bandwidth availability—the port adapter selects the PCI bus that has the most available bandwidth. Therefore, do not include the bandwidth points for the PA-12E/2FE when calculating the combined bandwidth point total for a combination of installed port adapters in PCI bus mb1 (left bus) and PCI bus mb2 (right bus). Instead, add the bandwidth points for the PA-12E/2FE to the PCI bus that has the most PCI bus bandwidth availability (the PCI bus the PA-12E/2FE will autoselect) after completing the initial calculation.


Sample Bandwidth Configuration for the NPE-400, NPE-300, and NSE-1

This sample configuration is for a Cisco 7200 VXR chassis with an NPE-400 installed. The maximum points allowed for each PCI bus is 600 points. The I/O controller is considered a port adapter in bandwidth point calculation.

Table 1-3 Valid Configuration—Cisco 7200 VXR Router with NPE-400 

Left Bus
Bandwidth Points
Right Bus
Bandwidth Points
Port Adapters:

 

Port Adapters:

 

PA-E3

90

PA-E3

  90

PA-E3

90

PA-2E3

180

PA-4E1G/120

0

PA-2E3

180

I/O Controller:
 

 

 

C7200-I/O-2FE/E

400

 

 

Total points left bus:

580

Total points right bus:

450


NPE-225, NPE-200, NPE-175, NPE-150, and NPE-100 Bandwidth Calculation and Configuration Instructions


Step 1 For the I/O controller and each port adapter in your system, check the footnotes in Table 1-6 to see if any apply to your system.

Step 2 If you have any dual-width port adapters in your system, carefully read the port adapter configuration document to see what special conditions apply to these port adapters.

Step 3 Calculate the bandwidth resource requirements. For the I/O controller and each port adapter in your system, go to Table 1-6 and write down the bandwidth resource requirements. Use the blank Bandwidth Calculation Table, to record your requirements.

a. High-bandwidth port adapter determination:

For the NPE-225, NPE-200, NPE-175, and NPE-150, make sure you have no more than three high-bandwidth port adapters.

For an NPE-100, make sure you have no more than two high-bandwidth port adapters.

b. High- and medium-bandwidth port adapter determination:

For the NPE-225, NPE-200, NPE-175, and NPE-150, make sure you have no more than five high- and medium-bandwidth port adapters.

For an NPE-100, make sure you have no more than four high- and medium-bandwidth port adapters.

Step 4 Calculate the bandwidth points requirements. For the I/O controller and each port adapter in your system, go to Table 1-6 and write down the bandwidth points requirements. Make sure the total number of bandwidth points is less than or equal to 800.

Step 5 Assign each port adapter in your system to a chassis slot. Make sure that the bandwidth points are evenly distributed between the left (odd-numbered slots) and right (even-numbered slots) buses. Include the I/O controller in your determination of balance. Fill the slots in the following order: 2, 1, 4, 3, 6, 5.

Step 6 Check your Cisco IOS release and port adapter SDRAM memory requirements as detailed in "Memory Requirements."

You are finished calculating your port adapter configuration.


Note Dual-width port adapters occupy two horizontally aligned port adapter slots when installed in a Cisco 7200 series router; however, dual-width port adapters do not use both PCI bus mb1 (left bus) and PCI bus mb2 (right bus) when operating in the router.

The dual-width PA-A2 port adapter uses only PCI bus mb2 (right bus) when installed in a Cisco 7200 series router.

The dual-width PA-12E/2FE port adapter autoselects PCI bus mb1 (left bus) or PCI bus mb2 (right bus) based on bandwidth availability—the port adapter selects the PCI bus that has the most available bandwidth. Therefore, do not include the bandwidth points for the PA-12E/2FE when calculating the combined bandwidth point total for a combination of installed port adapters in PCI bus mb1 (left bus) and PCI bus mb2 (right bus). Instead, add the bandwidth points for the PA-12E/2FE to the PCI bus that has the most PCI bus bandwidth availability (the PCI bus the PA-12E/2FE will autoselect) after completing the initial calculation.


Sample Bandwidth Configuration for the NPE-225, NPE-200, NPE-175, and NPE-150

The following sample configurations are for a Cisco 7200 series router with an I/O controller and NPE-225 installed. The maximum points allowed is 800 points per chassis.

Table 1-4 Valid Configuration—Cisco 7200 Series Router with NPE-225

Left Bus
Bandwidth Resource Requirement
Bandwidth Points
 
Right Bus
Bandwidth Resource Requirement
Bandwidth Points
Port Adapters:

 

 

 
Port Adapters:

 

 

PA-MC-8T1

Low

0

 

PA-A3-T3

High

90

PA-MC-8T1

Low

0

 

PA-A3-T3

High

90

PA-8E

Medium

80

 

PA-8E

Medium

80

I/O Controller:
 
 
   

 

 

C7200-I/O-2FE/E

High

400

   

 

 

Total points left bus:
 

480

 
Total points right bus:
 

260

Total high, medium, and low port adapters: 3 high, 2 medium, 2 low
Total points per chassis: 740

The sample configuration in Table 1-4 follows the rule of keeping below the 800 maximum bandwidth points, and having no more than three high-bandwidth port adapters, and having no more than five high- and medium-bandwidth port adapters in a chassis with an NPE-225. All three rules must be followed for a configuration to be valid. The I/O controller is considered a port adapter in point calculation.

Table 1-5 Invalid Configuration—Cisco 7200 Series Router with NPE-225

Left Bus
Bandwidth Resource Requirement
Bandwidth Points
 
Right Bus
Bandwidth Resource Requirement
Bandwidth Points
Port Adapters:
     
Port Adapters:
   

PA-FE-TX

High

200

 

PA-A3-T3

High

90

PA-MC-8T1

Low

0

 

PA-A3-T3

High

90

PA-MC-8T1

Low

0

 

PA-MC-8T1

Low

0

I/O Controller:
 
 
 

 

 

 

C7200-I/O-2FE/E

High

400

 

 

 

 

Total points left bus:
 

600

 
Total points right bus:
 

180

Total high, medium, and low port adapters: 4 high, 3 low
Total points per chassis: 780

The configuration in Table 1-5 is invalid because, although the bandwidth points are less than 800, there are four high-bandwidth port adapters installed, not three high-bandwidth port adapters as the rules allow. All three rules (no more than 800 bandwidth points, no more than three high-bandwidth port adapters, and no more than five high- and medium-bandwidth port adapters in a chassis with an NPE-225) must be followed for the configuration to be valid. The I/O controller is considered a port adapter in point calculation.

Bandwidth and Bandwidth Point Requirements

Port adapters use various types of resources from the chassis and the NPE or NSE. Bandwidth is a term that describes port adapter resource requirements. Bandwidth includes variables such as speed, memory, CPU requirements, and PCI bus bandwidth. Because of changes in architecture in the network processing engines over the years, two methods were developed to describe port adapter bandwidth requirements. The methods are reflected in the Bandwidth Resource Requirement column and the Bandwidth Points column of Table 1-6. However, the information in these columns must be considered with the information in the following sections:

NPE-G1 or NPE-G2 Bandwidth Calculation and Configuration Instructions

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

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

NPE-225, NPE-200, NPE-175, NPE-150, and NPE-100 Bandwidth Calculation and Configuration Instructions

Table 1-6 lists port adapter types, bandwidth resource requirements and bandwidth points, and processor memory requirements.

Requirements Summary

This section provides a summary of bandwidth and bandwidth point requirements for each processing engine.

Port Adapter Jacket Card

PCI bus mb0 has a 600 point maximum. The Port Adapter Jacket Card accepts one port adapter which can use a maximum of 600 bandwidth points. PCI bus mb0 with a Port Adapter Jacket Card installed is designated as port adapter slot 5 in a Cisco 7204VXR router, or slot 7 in a Cisco 7206VXR router.

NPE-G1 or NPE-G2

Left side, bus 1 (slots 1, 3, and 5) and I/O controller (slot 0) has a 600 point maximum.

Right side, bus 2 (slots 2, 4, and 6) has a 600 point maximum.

Distribute port adapter bandwidth points evenly across both left and right system slots (buses).

Do not calculate bandwidth points for an I/O controller if an I/O controller is installed with the NPE-G1 or NPE-G2.

The NPE-G1 or NPE-G2 Gigabit Ethernet interfaces do not use bandwidth points.

NPE-400, NPE-300, NSE-1

Left side, bus 1 (slots 1, 3, and 5) and I/O controller (slot 0) has a 600 point maximum.

Right side, bus 2 (slots 2, 4, and 6) has a 600 point maximum.

Distribute port adapter bandwidth points evenly across both left and right system slots (buses).

NPE-225, NPE-200, NPE-175, NPE-150

Port adapters are labeled as high, medium, and low.

Bandwidth point rules:

No more than three high-bandwidth port adapters, and

No more than five total medium- and high-bandwidth port adapters, and

No more than 800 total bandwidth points per system

Distribute port adapter bandwidth points evenly across both left and right system slots (buses).

NPE-100

Port adapters are labeled as high, medium, and low.

Bandwidth point rules:

No more than two high-bandwidth port adapters, and

No more than four total medium- and high-bandwidth port adapters, and

No more than 800 total bandwidth points per system

Distribute port adapter bandwidth points evenly across both left and right system slots (buses).

Bandwidth Table

Use the table below to determine the bandwidth points for your port adapter and I/O controller.

Table 1-6 Bandwidth, Bandwidth Points, and Processor Memory Requirements 

Port Adapter Type
Product Number
Bandwidth
Resource
Requirement
Bandwidth Points
Processor Memory Required 1
Additional Requirements
Acceleration Module
         

VPN Service Adapter (VSA)

C7200 VSA

Because the VSA installs only in the I/O slot of the Cisco 7200 VXR chassis, no bandwidth point calculations are required.

9 MB

ATM
         

1-port multimode

PA-A1-OC3MM

High

300

0.10 MB

2

1-port single-mode intermediate reach

PA-A1-OC3SMI

Circuit emulation services (CES)

PA-A2-4E1XC-OC3SM

High

300

1.20 MB

PA-A2-4E1XC-E3ATM

90

PA-A2-4E1YC-OC3SM

300

PA-A2-4E1YC-E3ATM

90

PA-A2-4T1C-OC3SM

300

PA-A2-4T1C-T3ATM

90

Enhanced

PA-A3-T3

High

90

1.00 MB

PA-A3-E3

PA-A3-OC3MM

300

1.00 MB

PA-A3-OC3SMI

PA-A3-OC3SML

Inverse multiplexing over ATM

PA-A3-8T1IMA

Low

0

4.3 MB

PA-A3-8E1IMA

0

1-port OC3-multimode

PA-A6-OC3MM

High

300

2 MB

1-port OC3-single mode intermediate reach

PA-A6-OC3SMI

High

300

2 MB

1-port OC3-single mode long reach

PA-A6-OC3SML

High

300

2 MB

Channel
         

1-port Enterprise System Connection (ESCON) channel

PA-1C-E

High

100

0.05 MB

0.36 MB

1-port parallel channel

PA-1C-P

Low3

0

0.15 MB

0.36 MB

1-port Enterprise System Connection (ESCON) channel

PA-4C-E

High

100

0.15 MB

0.36 MB

1-port GB fiber channel interface

PA-FC-1G

High

400

3.1 MB

Dynamic Packet Transport
         

Multimode fiber

PA-SRP-OC12MM

High

150 + 1504

0.40 MB

Single-mode fiber, intermediate reach

PA-SRP-OC12SMI

High

3004

0.40 MB

Single-mode fiber, long reach

PA-SRP-SML

High

3004

0.40 MB

Single-mode fiber, extended reach

PA-SRP-SMX

High

3004

0.40 MB

Ethernet/Fast Ethernet/Gigabit Ethernet
         

2-port Fast Ethernet (FX)

PA-2FE-FX

High

400

2.4 MB

1 port use of
2-port Fast Ethernet (RX)

PA-2FE-FX5

High

200

2.4 MB

2-port Fast Ethernet (TX)

PA-2FE-TX

High

400

2.4 MB

1 port use of
2-port Fast Ethernet (TX)

PA-2FE-TX5

High

200

2.4 MB

14-port Ethernet switch
10/100BASETX

PA-12E/2FE

High

300

0.17 MB

8-port Ethernet 10BASET

PA-8E

Medium

80

0.40 MB

5-port Ethernet 10BASEFL

PA-5EFL

50

0.25 MB

4-port Ethernet 10BASET

PA-4E

40

2-port Fast Ethernet/ISL 100BASETX

PA-2FEISL-TX

High

300

0.68 MB

2-port Fast Ethernet/ISL 100BASEFX

PA-2FEISL-FX

300

0.68 MB

1-port Fast Ethernet 100BASETX

PA-FE-TX

High

200

0.10 MB

1-port Fast Ethernet 100BASEFX

PA-FE-FX

High

200

0.10 MB

1-port 100VG-AnyLAN

PA-100VG

High

200

0.10 MB

1-port dial shelf interconnect6

PA-DSIC

High

200

0.10 MB

1-port full-duplex Gigabit Ethernet

PA-GE

Not supported

400

0.24 MB

I/O Controllers
         

1-port Gigabit Ethernet plus Ethernet I/O controller

C7200-I/O-GE+E7

High

400

0.11 MB

 

2-port Fast Ethernet/Ethernet
I/O controller

C7200-I/O-2FE/E8

High

400

0.10 MB

1 port use of
2-port Fast Ethernet/Ethernet
I/O controller

C7200-I/O-2FE/E9

High

200

0.10 MB

1-port Fast Ethernet I/O controller (2 connectors: RJ-45 and MII)

C7200-I/O-FE10

High

200

0.10 MB

1-port Fast Ethernet I/O controller (MII connector)

C7200-I/O-FE-MII10

High

200

0.10 MB

No Ethernet port I/O controller

C7200-I/O

None

0

Fiber Distributed Data Interface (FDDI)
         

Multimode

PA-F-MM11

High

10011

0.10 MB

Single-mode

PA-F-SM11

10011

Full-duplex multimode FDDI

PA-F/FD-MM11

20011

Full-duplex single-mode FDDI

PA-F/FD-SM11

20011

High Speed Serial
         

1-port high-speed serial

PA-H (Rev. B)

High

100

0.10 MB

2-port high-speed serial

PA-2H (Rev. B)

200

Multichannel Serial
         

1-port channelized T3 dual-width

PA-CT3/4T111

High

011

0.80 MB

2-port channelized E1/Primary Rate Interface (PRI) ISDN

PA-2CE1/PRI-7511

Low

011

1.80 MB

1.20 MB (when configured for ISDN)

PA-2CE1/PRI-12011

2-port channelized T1/PRI ISDN

PA-2CT1/PRI11

Low3

0

1.80 MB

1.20 MB (when configured for ISDN)

8-port multichannel T1/E1 PRI

PA-MC-8TE1+

Low3

0

10 MB

 

1-port multichannel E3

PA-MC-E3

High

90

3.00 MB

With 2 interfaces configured for PPP encapsulation

6.40 MB

With 128 interfaces configured for PPP encapsulation

1-port multichannel E1 STM1

PA-MC-STM-1SMI

High

250

10 MB

1-port multichannel E1 STM1

PA-MC-STM-1MM

High

250

10 MB

1-port multichannel T3

PA-MC-T3

High

90

3.00 MB

With 2 interfaces configured for PPP encapsulation

6.40 MB

With 128 interfaces configured for PPP encapsulation

Multichannel Serial (continued)
         

2-port multichannel T3

PA-MC-2T3+

High

180

3.00 MB

With 2 interfaces configured for PPP encapsulation

6.40 MB

With 128 interfaces configured for PPP encapsulation

2- and 8-port multichannel E1/PRI

PA-MC-2E1/120

Low3

0

3.50 MB

 

PA-MC-8E1/120

       

2-, 4- and 8-port multichannel DS1/PRI

PA-MC-2T1

Low3

0

2.50 MB

PA-MC-4T1

PA-MC-8T1

3.10 MB

PA-MC-8DSX1

1-port multichannel T3

PA-MC-T3-EC

Supported only on Cisco 7200 VXR chassis with an NPE-G1 or NPE-G2

90

2.71 MB

 

2-port-multichannel T3

PA-MC-2T3-EC

180

2.71 MB

 

4- and 8-port Basic Rate Interface (BRI) ISDN

PA-4B-U

Low3

0

0.40 MB

1.20 MB

8 BRI ISDN

PA-8B-T

Low3

0

0.40 MB

1.20 MB

SONET
         

2-port function as either dual independent OC-3c/STM-1 ports or a single port with automatic switchover

PA-POS-2OC3

High

600

0.34 MB

1-port SFP module-based OC-3c/STM-1

PA-POS-1OC3

High

300

0.34 MB

1-port multimode

PA-POS-OC3-MM

High

300

0.15 MB

1-port single-mode intermediate reach

PA-POS-OC3SMI

1-port single-mode long reach

PA-POS-OC3SML

Serial
         

1-port E3 high-speed serial

PA-E3

High

90

0.07 MB

2-port E3 high-speed serial

PA-2E3

High

180

0.10 MB

1-port T3 high-speed serial

PA-T3

High

90

0.07 MB

2-port T3 high-speed serial

PA-2T3

High

180

0.10 MB

1-port T3+ high-speed serial

PA-T3+

High

90

0.07 MB

2-port T3+ high-speed serial

PA-2T3+

High

180

0.10 MB

1-port T3/E3 high-speed serial

PA-T3/E3-EC

 

90

2.71 MB

2-port T3/E3 high-speed serial

PA-2T3/E3-EC

 

180

2.71 MB

4-port E1-G.703/704 serial

PA-4E1G-75

Low3

0

0.10 MB

PA-4E1G-120

Low3

0

0.10 MB

8-port synchronous serial (X.21)

PA-8T-X21

Low3

0

0.35 MB

8-port synchronous serial (V.35)

PA-8T-V35

8-port synchronous serial (EIA/TIA-232)

PA-8T-232

4-port synchronous serial

PA-4T

Low3

0

0.20 MB

4-port synchronous serial, enhanced

PA-4T+

Service
         

Data encryption service adapter

SA-Encrypt

Medium

60

0.03 MB

Compression service adapter

SA-Comp/111

Low3

0

0.10 MB

SA-Comp/411

Integrated Service Adapter12

SA-ISA/DES

High

200

3 MB

 

SA-ISA/3DES

High

200

3 MB

Virtual Private Network Acceleration Module13

SA-VAM

High on NPE-225

Not supported on NPE-150, NPE-175, NPE-200

300

0.26 MB

Virtual Private Network Acceleration Module 213

SA-VAM2

High on NPE-225

Not supported on NPE-150, NPE-175, NPE-200

600

0.26 MB

Virtual Private Network Acceleration Module 2+13

SA-VAM2+

High on NPE-225

Not supported on NPE-150, NPE-175, NPE-200
NPE-300

600

0.26 MB

VPN Service Adapter (VSA)

See Acceleration Module.

Token Ring
         

4-port Token Ring half-duplex

PA-4R11

Medium

6011

0.30 MB

4-port Token Ring full-duplex

PA-4R-FDX11

High

12011

0.30 MB

4-port dedicated Token Ring

PA-4R-DTR

120

Voice
         

2-, 4-, and 8-port multichannel T1/E1

PA-MCX-2TE1

Low

0

10 MB

 

PA-MCX-4TE1

       
 

PA-MCX-8TE1

Low

0

10 MB

 
 

PA-MCX-8TE1+14

Low

0

10 MB

Single-port low capacity

PA-VXA-1TE1-24+

Low

0

2 MB

 

PA-VXA-1TE1-30+

Low

0

2 MB

2-port moderate capacity

PA-VXB-2TE1

Low

0

2 MB

2-port high capacity

PA-VXC-2TE1

Low

0

2 MB

Enhanced 2-port moderate capacity

PA-VXB-2TE1+

Low

0

2 MB

Enhanced 2-port high capacity

PA-VXC-2TE1+

Low

0

2 MB

1 Processor memory requirements are used when you determine port adapter installation guidelines for a Cisco 7200 series router.

2 Not applicable.

3 Bandwidth points for low-bandwidth port adapters are not required when you determine port adapter installation guidelines for a Cisco 7200 VXR router that has an NPE-400, NPE-300, or NSE-1 installed; that is, low bandwidth means 0 bandwidth points.

4 The PA-SRP-OC12 port adapters connect to both PCI buses; therefore, the total bandwidth points (300) are divided equally between the two buses. You must calculate the total bandwidth points by adding 150 bandwidth points to each bus.

5 When using only 1 port of the two ports available, the PA-2FE (TX) uses only 200 bandwidth points, and is an allowed usage. See also the "Messages for One Port Use of Specific Port Adapters and an I/O Controller" section for information on supported Cisco IOS releases and an error message.

6 For use only in Cisco 7206 or Cisco 7206VXR router shelves in a Cisco AS5800 Universal Access Server.

7 The I/O controller with a Gigabit Ethernet port and an Ethernet port (C7200-I/O-GE+E) operates only in Cisco 7204VXR and Cisco 7206VXR chassis with the following network processing engines: NPE-400 and later network processing engines or the network services engine.

8 The I/O controller with two autosensing Fast Ethernet/Ethernet ports (C7200-I/O-2FE/E) operate only in Cisco 7204VXR and Cisco 7206VXR chassis and with the following network processing engines: NPE-225 and later network processing engines or the network services engine.

9 When using only 1 port of the two ports available, this I/O controller uses only 200 bandwidth points, and is an allowed usage. See also the "Messages for One Port Use of Specific Port Adapters and an I/O Controller" section for information on supported Cisco IOS releases and an error message.

10 The Fast Ethernet port on the I/O controller (C7200-I/O-FE) does not operate in a Cisco 7202 router.

11 This port adapter is not supported in Cisco 7200 VXR routers.

12 See the Integrated Service Adapter and Integrated Service Module Installation and Configuration documentation for information on compatibility with the VPN Acceleration Module, as well as information on specific behaviors of these products when used with each other, and specific commands to use to enable or disable them

13 See the VPN Acceleration Module Installation and Configuration documentation for information on compatibility with Cisco ISA Service Adapter and Cisco ISM service adapter, as well as information on specific behaviors of these products when used with each other, and specific commands to use to enable or disable them.

14 For use with Cisco 7200 VXR routers only until release of Cisco IOS Release 12.2(2)T.



Note You can use a Cisco 7200 series router with a port adapter configuration that exceeds the preceding guidelines; for example, if you have a redundant port adapter installed that is not in use. However, to prevent anomalies from occurring while the router is in use, we strongly recommend restricting the port adapter types installed in the router according to the guidelines listed above.

Additionally, your port adapter configuration must be within the above guidelines before the Cisco Technical Support Services will troubleshoot anomalies that are occurring in your Cisco 7200 series router.


For information on system memory requirements and Cisco IOS memory requirements, see "Memory Requirements."

Bandwidth Calculation Table

Use Table 1-7 to calculate the bandwidth points for your router.

Table 1-7 Calculating the Bandwidth Points for Your Router

Left Bus
Bandwidth Points
Right Bus
Bandwidth Points
Port Adapters:

 

Port Adapters:

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O Controller:
 

 

 

 

 

 

 

Total points left bus:

 

Total points right bus:

 


Messages for One Port Use of Specific Port Adapters and an I/O Controller

For the PA-2FE-FX, PA-2FE-TX, PA-POS-2OC3, and I/O controller c7200-I/O-2FE/E using only one port—with what would normally be oversubscription of bandwidth points but is allowed because of the strict use of only one port—the following messages appear in these Cisco IOS releases: Cisco IOS Release 12.3(9), Cisco IOS Release 12.1(24)E, Cisco IOS Release 12.2(25)S, and Cisco IOS Release 12.0(29)S.

NPE-400

The following messages appear in a system with an NPE-400 installed. To provide examples of the messaging, the following two sample hardware configurations are referred to in the example output message.

Example 1: Showing an acceptable configuration.

Slots 0, 1, 3 and 5: c7200-I/O-2FE/E, 2PA-FE

Slots 2, 4 and 6: PA-8E, PA-POS-2OC3

==========

PCI bus mb0_mb1 (Slots 0, 1, 3 and 5) has a capacity of 600 bandwidth points. Current 
configuration on bus mb0_mb1 has a total of 600 bandwidth points. This configuration 
is within the PCI bus capacity and is supported. 

PCI bus mb2 (Slots 2, 4, 6) has a capacity of 600 bandwidth points. Current 
configuration on bus mb2 has a total of 680 bandwidth points. The set of PA-2FE, 
PA-POS-2OC3, and I/O-2FE qualify for "half bandwidth points" consideration, when full 
bandwidth point counting results in oversubscription, under the condition that only 
one of the two ports is used. With this adjustment, current configuration on bus mb2 
has a total of 380 bandwidth points. This configuration is within the PCI bus capacity 
and is supported under the above condition.

Please refer to the following document "Cisco 7200 Series Port Adapter Hardware 
Configuration Guidelines" on Cisco.com <http://www.cisco.com>
for c7200 bandwidth points oversubscription and usage guidelines.

Example 2: Showing an oversubscribed configuration.

Slots 0, 1, 3 and 5: c7200-I/O-2FE/E, PA-POS-2OC3, PA-2FE

Slots 2, 4 and 6: PA-8E

==========

PCI bus mb0_mb1 (Slots 0, 1, 3 and 5) has a capacity of 600 bandwidth points. Current 
configuration on bus mb0_mb1 has a total of 1200 bandwidth points. The set of PA-2FE, 
PA-POS-2OC3, and I/O-2FE qualify for "half bandwidth points" consideration, when full 
bandwidth point counting results in oversubscription, under the condition that only 
one of the two ports is used. With this adjustment, current configuration on bus 
mb0_mb1 has a total of 700 bandwidth points. This configuration has oversubscripted 
the PCI bus and is not a supported configuration. 

PCI bus mb2 (Slots 2, 4, 6) has a capacity of 600 bandwidth points. Current 
configuration on bus mb2 has a total of 80 bandwidth points. This configuration is 
within the PCI bus capacity and is supported. 

Please refer to the following document "Cisco 7200 Series Port Adapter Hardware 
Configuration Guidelines" on Cisco.com <http://www.cisco.com>
for c7200 bandwidth points oversubscription and usage guidelines.

NPE-G1 or NPE-G2

The following messages appear in a system with an NPE-G1 or NPE-G2 installed. To provide examples of the messaging, the following two sample hardware configurations are referred to in the example output message.

Example 1: Showing an acceptable configuration

Slots 1, 3 and 5: PA-POS-2OC3, PA-2FE

Slots 2, 4 and 6: PA-FE, PA-2H

=========

PCI bus mb1 (Slots 1, 3 and 5) has a capacity of 600 bandwidth points. Current 
configuration on bus mb1 has a total of 1000 bandwidth points. The set of PA-2FE, 
PA-POS-2OC3, and I/O-2FE qualify for "half bandwidth points" consideration, when full 
bandwidth point counting results in oversubscription, under the condition that only 
one of the two ports is used. With this adjustment, current configuration on bus mb1 
has a total of 500 bandwidth points. This configuration is within the PCI bus capacity 
and is supported under the above condition. 
          
PCI bus mb2 (Slots 2, 4 and 6) has a capacity of 600 bandwidth points. Current 
configuration on bus mb2 has a total of 400 bandwidth points. This configuration is 
within the PCI bus capacity and is supported. 

Please refer to the following document "Cisco 7200 Series Port Adapter Hardware 
Configuration Guidelines" on Cisco.com <http://www.cisco.com>
for c7200 bandwidth points oversubscription and usage guidelines.

Example 2: Showing an oversubscribed configuration.

Slots 1, 3 and 5: PA-2FE

Slots 2, 4 and 6: PA-POS-2OC3, PA-FE, PA-2H

=========

PCI bus mb1 (Slots 1, 3 and 5) has a capacity of 600 bandwidth points.Current 
configuration on bus mb1 has a total of 400 bandwidth points. This configuration is 
within the PCI bus capacity and is supported. 

PCI bus mb2 (Slots 2, 4 and 6) has a capacity of 600 bandwidth points. Current 
configuration on bus mb2 has a total of 1000 bandwidth points. The set of PA-2FE, 
PA-POS-2OC3, and I/O-2FE qualify for "half bandwidth points" consideration, when full 
bandwidth point counting results in oversubscription, under the condition that only 
one of the two ports is used. With this adjustment, current configuration on bus mb2 
has a total of 700 bandwidth points. This configuration has oversubscripted the PCI 
bus and is not a supported configuration. 

Please refer to the following document "Cisco 7200 Series Port Adapter Hardware 
Configuration Guidelines" on Cisco.com <http://www.cisco.com>
for c7200 bandwidth points oversubscription and usage guidelines.

Error Messages

The system prompts you with error messages if your port adapter configuration exceeds the guidelines in this document. Following are examples of the error messages:

For a Cisco 7200 series router or Cisco 7200 VXR router that has an NPE-225, NPE-200, NPE-175, NPE-150, or NPE-100 installed, the following error messages are displayed when the bandwidth points exceed the system limit:

%C7200-3-PACONFIG:Exceeds 3 high speed port adapters
%C7200-3-PACONFIG:Exceeds 5 high/medium speed port adapters
%C7200-3-PACONFIG:Exceeds 800 aggregate port adapter bandwidth points


For a Cisco 7200 VXR router that has an NPE-400, NPE-300, or NSE-1 installed, the following error messages are displayed when the bandwidth points are exceeded on the buses:

%C7200-3-PACONFIG:Exceeds 600 bandwidth points for slots 0, 1, 3 & 5
%C7200-3-PACONFIG:Exceeds 600 bandwidth points for slots 2, 4 & 6
%C7200-3-PACONFIG:Exceeds 600 bandwidth points on both odd & even numbered slots