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2
Initial Configuration
Configuring Access for SNMP Version 3 Clients
To configure management access for SNMPv3 clients, you need to first create a
view that defines the portions of MIB that the client can read or write, assign the view
to a group, and then assign the user to a group. The following example creates one
view called "mib-2" that includes the entire MIB-2 tree branch, and then another view
that includes the IEEE 802.1d bridge MIB. It assigns these respective read and
read/write views to a group call "r&d" and specifies group authentication via MD5 or
SHA. In the last step, it assigns a v3 user to this group, indicating that MD5 will be
used for authentication, provides the password "greenpeace" for authentication, and
the password "einstien" for encryption.
Console(config)#snmp-server view mib-2 1.3.6.1.2.1 included
Console(config)#snmp-server view 802.1d 1.3.6.1.2.1.17 included
Console(config)#snmp-server group r&d v3 auth mib-2 802.1d
Console(config)#snmp-server user steve group r&d v3 auth md5
greenpeace priv des56 einstien
Console(config)#
For a more detailed explanation on how to configure the switch for access from
SNMP v3 clients, refer to "Simple Network Management Protocol" on page 3-37, or
refer to the specific CLI commands for SNMP starting on page 4-61.
Managing System Files
The switch's flash memory supports three types of system files that can be managed
by the CLI program, web interface, or SNMP. The switch's file system allows files to
be uploaded and downloaded, copied, deleted, and set as a start-up file.
The three types of files are:
• Configuration — This file type stores system configuration information and is
created when configuration settings are saved. Saved configuration files can be
selected as a system start-up file or can be uploaded via TFTP to a server for
backup. The file named "Factory_Default_Config.cfg" contains all the system
default settings and cannot be deleted from the system. If the system is booted with
the factory default settings, the switch will also create a file named "startup1.cfg"
that contains system settings for initialization, including information about the unit
identifier, MAC address, and installed module type. The configuration settings from
the factory defaults configuration file are copied to this file, which is then used to
boot the switch. See "Saving or Restoring Configuration Settings" on page 3-22 for
more information.
• Operation Code — System software that is executed after boot-up, also known as
run-time code. This code runs the switch operations and provides the CLI and web
management interfaces. See "Managing Firmware" on page 3-20 for more
information.
• Diagnostic Code — Software that is run during system boot-up, also known as
POST (Power On Self-Test).
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