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LAN Switches cannot be accessed by Telnet, SSH or console in native vlan

jberthin
Level 1
Level 1

Hi to all of you:

I do have a question about tagging the native vlan.

In our network we do have about 90 L2 and L3 switches, 2950 the oldest, 2960, 2960S, 3560 PoE, 3750 and 4503E, and we are running VTP, and 43 vlans within the entire network.

our Native VLAN is still vlan 1, and there are many corporative applications running in this vlan.

We have upgraded the IOS for the switches to the latest IOS version about 6 months ago, and after that we started to have issues on the switches, related to accessing the switch, either by telnet, ssh, or even console. However, the switch is still working fine, I mean, doing all bridging and switching traffic.

I have to reset or reload (power cycle) if I want to access the switch.

I have read that having the native vlan can be a problem.

Could you please let me know if you have gone through this problem?

Thanks in advance for your help.

Javier F. Berthin H.

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