VLANS and cisco 2960 switch

344995 pts.
Tags:
Cisco 2960
Cisco 3560 Catalyst Switch
Cisco switches
Switches
VLAN
VLAN Setup
VLANS and cisco 2960 I have a new cisco 2960 switch gig 0/1 connecting to a 3560 on gig0/9. the problems is my vlans will not come up. I have configured another switch the same exact way and it works fine. The only line in the commands of bith switches that is different is ip http secure-server.

Software/Hardware used:
Cisco 2960

Answer Wiki

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The interfaces between the switches need to be configured to be trunk ports. There are various automatic options, but the only way to be sure is to configure them as trunks.
<b>
interface gig0/x
switch trunk encapsulation dot1q
switch mode trunk
</b>
Where x is the interface number.

You may not need the second line, as some switches (and I can never remember which ones) can only be a dot1q trunk, so don’t need this command.

If you do that on both interfaces, then the link is a trunk, and will pass the VLAN information.

You also need to have at least one physical interface in an up/up state in the VLAN for it to come up.

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