Cisco Ethernet switch Instructions d'exploitation télécharger pdf (Page 71)

Chapter 5. Cisco Systems IGESM management and user orientation 57

5.3.3 General management path design considerations

Previous sections discussed the concept of in-band and out-of-band management. Here we

look more closely at a subtle distinction between the Cisco Systems IGESM and traditional

stand-alone Cisco switches with regard to these paths.

A traditional Cisco switch has two ways to connect for management purposes:

򐂰 Via the console port (out-of-band)

򐂰 Via a network connection (in-band)

The Cisco Systems IGESM in the BladeCenter has three ways to connect:

򐂰 Via the console port (out-of-band).

򐂰 Via an internal network connection to and through the Management Module, which uses a

network connection but does not use the data path network connection to carry the traffic.

This is the default network-based management path for the IGESM and represents paths

1 and 2 in Figure 5-40.

򐂰 Via an external uplink network connection (in-band), as represented by path 3 and 4 in

Figure 5-40.

This may seem like a minor distinction, but it is in fact quite important. Understanding how

these paths vary and how to configure to use one or the other (

you cannot configure to use

both at the same time

) is critical to successfully deploy the IGESM into production.

Figure 5-40 Management path flow

Blade

Server

Management Module

Cisco Systems

IGESM

Management

Workstation

Management

Network

Routed Production

Network

1 3

Web Interface

I2C Interface

Legend

Ethernet

Ethernet path

I2C Interface

I2C path

RJ45 Serial

RJ45 Serial path

Internal

Ethernet

Interface

G0/15 or 16

Service

Port

External Ports

External

Ethernet

Interface

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 265 266

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