Cisco Network Boot Installation and Configuration Guide, Release 2.1
Chapter 2 - Before Installing Cisco Network Boot
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Before Installing Cisco Network Boot

Table Of Contents

Before Installing Cisco Network Boot

Planning

Requirements

Collecting Configuration Information


Before Installing Cisco Network Boot


This chapter describes what you need to do before you install and configure Cisco Network Boot.

This chapter contains the following sections:

Planning

Requirements

Collecting Configuration Information

Planning

Before setting up Cisco Network Boot, some planning is necessary. After determining the number of hosts to be booted, the following should be checked:

Each host is allocated at least one logical unit on its own iSCSI target. Each of these logical units must map to its own Fibre Channel logical unit via the Cisco SN 5400 Series system.

The Cisco SN 5400 Series system, the Fibre channel storage devices, and the IP network are set up correctly.

Security (both for the Fibre Channel and the IP network) is adequate for the environment.

Requirements

See the following table for the requirements for the hosts, the DHCP/TFTP server, the iSCSI targets, and the network equipment.

Table 2-1 Requirements

Item
Requirements

Master boot host

IBM PC-compatible computer with an Intel Pentium III or higher processor.

Support for PXE 2.1 or later.

A network interface supported by PXE.

A directly attached disk drive in the master boot host.

Microsoft Windows 2000 Server or Advanced Server with Service Pack 3.

Cisco iSCSI Driver Version 2.2.1 (or later) for Microsoft Windows 2000

Note Only the Cisco iSCSI Driver Version 2.2.1 (or later) for Microsoft Windows 2000 is supported with this version of Cisco Network Boot.

Other hosts

IBM PC-compatible computer with an Intel Pentium III or higher processor.

Support for PXE 2.1 or later.

A network interface supported by PXE.

Note Other host hardware must be identical to the master boot host hardware and must have identical network hardware and connections.

DHCP/TFTP server

A DHCP server configured with reserved IP addresses for each host.

A TFTP server to transfer the inbp.com file to the host.

Microsoft Windows 2000 Server (or Advanced Server)

iSCSI targets

iSCSI targets configured on either a Cisco SN 5420 running software release 2.1.2 or later, or a Cisco SN 5428 running software release 2.3.1 or later.

A suitable storage device (JBOD or storage array) with sufficient space to hold the boot image. Storage arrays are recommended over JBODs when configuring boot disks for the iSCSI target because they provide redundancy and are more flexible.

The iSCSI target block size must be 512 bytes.

Network equipment

Ethernet switch or hub

Cisco SN 5400 Series system

Fibre Channel interface



Note Refer to the Cisco.com website (http://www.cisco.com) for interoperability information.


Collecting Configuration Information

Use the configuration worksheets to help gather the system information that is needed when you go through the configuration process. The values in these worksheets are based on information requested in the process in "Installing and Configuring for Cisco Network Boot Operation". Refer to the following for information on the configuration values needed for your configuration.

Table 2-2, Configuration Worksheet—Host

Table 2-3, Configuration Worksheet—Cisco 5400 Series System and iSCSI Targets

Table 2-4, Configuration Worksheet—DHCP/TFTP Server

Table 2-2 Configuration Worksheet—Host

Configuration Item
Description
Value

Host name

Name of the host.

Note The host name is also referred to as the destination computer name when replicating with the Network Boot Administration utility.

 

NIC IP address

IP address of the NIC

Note This IP address can also be referred to as either the source IP address or the destination IP address when replicating with the Network Boot Administration utility.

 

NIC type

See your NIC documentation.

Note The NIC type of all hosts must be identical to the master boot host.

 

NIC interface

See your NIC documentation.

Note The NIC interface of all hosts must be identical to the master boot host.

 

TCP/IP properties

See your TCP/IP documentation.

 

Boot image

List the operating system, iSCSI driver, software and applications you will be including in the boot image.

 


Tip Make a copy of this worksheet for each host that you will configure.


Table 2-3 Configuration Worksheet—Cisco 5400 Series System and iSCSI Targets

Configuration Item
Description
Value

SCSI routing instance name

Name of the SCSI routing instance on the Cisco 5400 Series system. You enter this name in the following CLI command on the Cisco 5400 Series system:

show scsirouter bootrtr

where bootrtr is the name of the SCSI routing instance as an example.

 

SCSI routing instance IP address

IP address assigned to the SCSI routing instance on the Cisco 5400 Series system.

 

Target name

The name of an iSCSI target mapped to a host.

 

LUN

The LUN number of an iSCSI target mapped to a host. The LUN numbers in each target must be numbered sequentially, starting with LUN 0.

Note The boot image must always be LUN 0.

 

Access list name

Name of the access list in the Cisco 5400 Series system.

 

Host IP address

IP address of each host for each access list and of the NIC connected to the storage router.

 

Host masks

Net mask of the host for each access list.

 

Other configuration information for setting up a router in the Cisco SN 5400 System series

See "Collecting Configuration Information," in the documentation for the Cisco SN 5400 Series system.

 


Tip Make a copy of this worksheet for each host that you will configure.


Table 2-4 Configuration Worksheet—DHCP/TFTP Server

Configuration Item
Description
Value

Reservation name/host

A unique name for the reservation name of the host, for example, HERMES_master.

 

Host IP address

IP address of the host. This address must match the address set in the SN 5400 Series system access list.

This address could also be the source IP address or the destination IP address when you are using the Network Boot Administration utility.

 

MAC address

A 6-byte hex address of the NIC in a host with PXE support enabled.

You can get this address from the NIC documentation or by booting the host and having PXE display the address. Also, you can use the following command in a Command Prompt window in Microsoft Windows 2000:

ipconfig /all 

 

 

 

Description

A place to describe the host.

 

SCSI routing instance IP address

IP address of the SCSI routing instance you configured on the 5400 Series system.

 

iSCSI port number

3260 is the default for this port number, which is assigned by Internet Assigned Numbers Authority (IANA). Unless you've changed the port on the Cisco 5400 Series system, use port 3260.

 

Target name

The name of an iSCSI target mapped to a host.

You configure this target name when you configure the iSCSI target on the 5400 Series system.

 

LUN

The LUN number of an iSCSI target mapped to a host. The LUN numbers in each target must be numbered sequentially, starting with LUN 0.

Note The boot image must always be LUN 0.

 


Tip Make a copy of this worksheet for each host that you will configure.