Shulou(Shulou.com)06/01 Report--

Experimental topology:

Environmental planning:

VLAN 2 office

VLAN 3 IT

VLAN 4 admin is designed to remotely manage network devices

The configuration does not need to be written out

The difficulty here is that there is no corresponding port under VLAN4. How does interface VLAN4 get up?

Not operating in this topology

Take a new switch device and configure the VLAN above

When accessing terminal equipment, we will see vlan1 up

VLAN 2 interface is used to create VLAN 2 interfaces.

At this time, the show ip interface brief will appear VLAN 2 interface, but layer 3 is down.

How do you get vlan 2 up?

In fact, it is very simple, enable trunk port, and ensure that the port is up

interface f0/15

switch mode trunk

switch trunk encapsulation dot1q

switch trunk allowed vlan all

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