Cisco Systems WSC2960X48TDL Uživatelský manuál stáhnout pdf (Strana 31)

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, stack member number, 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).

• Stack member number—The number that identifies the switch within the stack. The range is 1 to 8 for

a stack of Catalyst 2960-X switches, and 1 to 4 for a mixed stack of Catalyst 2960-X and Catalyst 2960-S

switches. The switch number is assigned the first time the switch initializes. The default switch number,

before it is integrated into a switch stack, is 1. When a switch has been assigned a stack member number,

it keeps that number until another is assigned to it.

You can use the switch port LEDs in Stack mode to identify the stack member number of a switch.

• Module number—The module or slot number on the switch (always 0).

• Port number—The interface number on the switch. The 10/100/1000 port numbers always begin at 1,

starting with the far left port when facing the front of the switch, for example, gigabitethernet1/0/1 or

Catalyst 2960-X Switch Interface and Hardware Component Configuration Guide, Cisco IOS Release 15.0(2)EX

OL-29034-01 19

Configuring Interface Characteristics

Interface Configuration Mode

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Cisco Systems WSC2960X48TDL Uživatelský manuál Strana 31