Cisco Catalyst 2960 Series

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For information about configuring the switch to boot from a USB flash drive, refer to the Catalyst 2960-X

Switch System Management Configuration Guide.

For information about reading, writing, erasing, and copying files to or from the flash device, refer to the

Catalyst 2960-X Switch Managing Cisco IOS Image Files Configuration Guide.

Interface Connections

Devices within a single VLAN can communicate directly through any switch. Ports in different VLANs cannot

exchange data without going through a routing device.

In the following configuration example, when Host A in VLAN 20 sends data to Host B in VLAN 30, the

data must go from Host A to the switch, to the router, back to the switch, and then to Host B.

Figure 1: Connecting VLANs with the Switch

With a standard Layer 2 switch, ports in different VLANs have to exchange information through a router.

Interface Configuration Mode

The switch supports these interface types:

• Physical ports—switch ports and routed ports

• VLANs—switch virtual interfaces

• Port channels—EtherChannel interfaces

You can also configure a range of interfaces.

To configure a physical interface (port), specify the interface type, module number, and switch port number,

and enter interface configuration mode.

• Type—Gigabit Ethernet (gigabitethernet or gi) for 10/100/1000 Mb/s Ethernet ports, or small form-factor

pluggable (SFP) module Gigabit Ethernet interfaces (gigabitethernet or gi).

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

Information About Configuring Interface Characteristics

Other manuals for Cisco Catalyst 2960 Series