Contents
iv
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
Completing a Partial Command 2-6
Scrolling Through Command Output 2-6
Using Command Aliases 2-7
Specifying Modules, Ports, and VLANs 2-7
Specifying MAC Addresses 2-8
Specifying IP Addresses, Host Names, and IP Aliases 2-8
ROM Monitor CLI 2-9
Example of a Catalyst 4003 Bootup Display 2-9
CHAPTER
3 Configuring the Switch IP Address and Default Gateway 3-1
Understanding How the Switch Management Interfaces Work 3-1
Understanding How Automatic IP Configuration Works 3-2
Automatic IP Configuration Overview 3-2
Understanding DHCP 3-3
Understanding RARP 3-4
Preparing to Configure the IP Address and Default Gateway 3-4
Default IP Address and Default Gateway Configuration 3-5
Setting the In-Band (sc0) Interface IP Address 3-5
Setting the Management Ethernet (me1) Interface IP Address 3-6
Configuring Default Gateways 3-7
Configuring the SLIP (sl0) Interface on the Console Port 3-8
Using DHCP or RARP to Obtain an IP Address Configuration 3-10
Renewing and Releasing a DHCP-Assigned IP Address 3-11
CHAPTER
4 Configuring Ethernet and Fast Ethernet Switching 4-1
Understanding How Ethernet Works 4-1
Ethernet Overview 4-1
Switching Frames Between Segments 4-2
Building the Address Table 4-2
Default Ethernet and Fast Ethernet Configurations 4-2
Configuring Ethernet and Fast Ethernet Ports 4-3
Setting Ethernet and Fast Ethernet Port Names 4-3
Setting Ethernet and Fast Ethernet Port Priority Levels 4-4
Setting Ethernet and Fast Ethernet Port Speeds 4-4
Setting Ethernet and Fast Ethernet Port Duplex Modes 4-5
Setting Ethernet and Fast Ethernet Port Debounce Timers 4-6
Configuring errdisable State Ethernet and Fast Ethernet Port Timeout Periods 4-7
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