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Re: Native Vlan mismatch............

blissbilly
Level 1
Level 1

Hi,

Can anyone help me how to solve native vlan mismatch issue in cisco 3750 stack switch which I attached the screenshot below.

Thanks,

Santhosh

vlan mismatch.JPG           

1 Accepted Solution

Accepted Solutions

Julio Carvajal
VIP Alumni
VIP Alumni

Hello Santhosh,

Here is what needs to be done:

interface gigabitet 2/0/23

switchport trunk native vlan 2

interface gigabitet 2/0/24

switchport trunk vlan 2

Now if you are receiving the log on more trunk links just do the same thing

Regards,

Julio

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC

View solution in original post

3 Replies 3

Reza Sharifi
Hall of Fame
Hall of Fame

Hi,

Make sure you have the same exact native vlan on both sides of the connection

for example:

if sw-1 connects to sw-2 and you assign vlan 100 as native vlan this vlan has to be the same on both switches.

HTH

Julio Carvajal
VIP Alumni
VIP Alumni

Hello Santhosh,

Here is what needs to be done:

interface gigabitet 2/0/23

switchport trunk native vlan 2

interface gigabitet 2/0/24

switchport trunk vlan 2

Now if you are receiving the log on more trunk links just do the same thing

Regards,

Julio

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC

Thank you Julio.

Cheers

Santhosh......

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