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Chapter 4. Connecting Network Devices and Checking
Connectivity
This chapter provides the details for connecting network devices, checking network
connectivity, and troubleshooting any issues that might occur in the process.
Attention:
Table 16. Connecting network devices
Step
Task
1
Secure access to the CLI by assigning passwords.
2
Configure IP addresses for the management,
Ethernet, virtual, and loopback interfaces.
3
Connect your device to another networking device.
4
Test a port for connectivity to other networking
devices using the ping and traceroute commands.
5
Troubleshoot any problems that can arise.
Assigning permanent passwords
By default, the CLI is not protected by passwords. To secure CLI access, IBM
strongly recommends assigning passwords.
Note: You cannot assign a password using the Web management interface. You
The CLI contains the following access levels:
v User EXEC - The level you enter when you first start a CLI session. At this level,
v Privileged EXEC - This level is also called the Enable level and can be secured
v CONFIG - The configuration level. This level lets you configure the system's IP
You can set the following levels of Enable passwords:
v Super User - Allows complete read-and-write access to the system. This is
Note: You must set a Super User password before you can set other types of
v Port Configuration - Allows read-and-write access for specific ports but not for
v Read Only - Allows access to the Privileged EXEC mode and CONFIG mode but
© Copyright IBM Corp. 2009
The procedures in this manual are for qualified service personnel.
can assign passwords using IronView Network Manager if an enable
password for a Super User has been configured on the device.
you can view some system information but you cannot configure system or port
parameters.
by a password. You can perform tasks such as manage files on the flash module,
save the system configuration to flash, and clear caches at this level.
address and configure switching and routing features. To access the CONFIG
mode, you must already be logged into the Privileged level of the EXEC mode.
generally for system administrators and is the only password level that allows
you to configure passwords.
passwords.
global (system-wide) parameters.
only with read access.
Topic for reference
"Assigning permanent passwords"
"Configuring IP addresses" on page 46
"Connecting network devices" on page 50
"Testing network connectivity" on page 54
"Troubleshooting network connections" on
page 56
45
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