Chapter 4 Assigning The Switch Ip Address And Default Gateway; Understanding The Boot Process - Cisco Catalyst 2950 Software Configuration Manual
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Also See for Catalyst 2950:
- Configuration manual (710 pages) ,
- Command reference manual (686 pages) ,
- Software configuration manual (544 pages)
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Assigning the Switch IP Address and Default
Gateway
This chapter describes how to create the initial switch configuration (for example, assign the switch IP
address and default gateway information) for the Catalyst 2950 or Catalyst 2955 switch by using a
variety of automatic and manual methods. It also describes how to modify the switch startup
configuration only on the Catalyst 2950 Long-Reach Ethernet (LRE) switches.
For complete syntax and usage information for the commands used in this chapter, see the command
Note
reference for this release and the Cisco IOS IP and IP Routing Command Reference, Release 12.1.
This chapter consists of these sections:
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Understanding the Boot Process
To start your switch, you need to follow the procedures in the hardware installation guide about installing
and powering on the switch, and setting up the initial configuration (IP address, subnet mask, default
gateway, secret and Telnet passwords, and so forth) of the switch.
The normal boot process involves the operation of the boot loader software, which performs these
activities:
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78-11380-12
Understanding the Boot Process, page 4-1
Assigning Switch Information, page 4-2
Checking and Saving the Running Configuration, page 4-11
Modifying the Startup Configuration, page 4-11
Scheduling a Reload of the Software Image, page 4-16
switch)
Performs low-level CPU initialization. It initializes the CPU registers, which control where physical
memory is mapped, its quantity, its speed, and so forth.
Performs power-on self-test (POST) for the CPU subsystem. It tests the CPU DRAM and the portion
of the flash device that makes up the flash file system.
Initializes the flash file system on the system board.
Loads a default operating system software image into memory and boots the switch.
C H A P T E R
(available only on the Catalyst 2950 LRE switch)
(available only on the Catalyst 2950 LRE
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
4
4-1
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