Connecting Interfaces - Cisco Catalyst 2960 Software Configuration Manual

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Configuring Interface Characteristics

Connecting Interfaces

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 configuration shown in

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

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

By using the switch with routing enabled, when you configure both VLAN 20 and VLAN 30 with an

SVI to which an IP address is assigned, packets can be sent from Host A to Host B directly through the

switch with no need for an external router

Using the Switch USB Ports

USB ports are supported only on Catalyst 2960-S and 2960-C switches.

The Catalyst 2960-S and Catalyst 2960-C Gigabit Ethernet switches have two USB ports on the front

The Catalyst Fast Ethernet switches (Catalyst 2960CPD-8PT-L and the 2960CPD-8TT-L switches) have

only the USB mini-Type B console port.

Connecting VLANs with Layer 2 Switches

USB Mini-Type B Console Port, page 12-14

USB Type A Port, page 12-16

Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE

12-1, when Host A in VLAN 20 sends data to Host B in VLAN 30,

Cisco router

Using the Switch USB Ports

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Catalyst 2960-s