Vlan Problem

[cbaze]

I have 2 Cisco CBS350 switches. They are connected by fiber. I am trying to setup a VLAN (20) on port 1 of each switch to isolate the 2 machines so they can only see each other. I have create VLAN 20 on each switch. I have setup each fiber port as Trunked with with access to both VLANS ( 1U, 20T ). I then setup port 1 on each switch as access to VLAN 20 ( 20U ). These 2 machines will not see each other. 

[Flavio Miranda]

You are welcome @cbaze .

[Martin L]

There is non catalyst switch that comes set up with private vlans by default. It maybe yours.  If it's then that maybe why you have issues. 

Regards, ML
**Please Rate All Helpful Responses **

[Ericaelon]

Hello Cisco community,

I'm currently working on configuring VLANs on a Cisco switch, and I've encountered a few challenges. I've followed the documentation, but I'm still having trouble getting everything to work as expected.

Here's a brief overview of my setup:

• Switch model: [Insert Cisco Switch Model]
• Software version: [Insert Switch Software Version]
• VLANs configured: [List of VLANs]
• Issue: [Describe the specific issue or error message you're encountering]

I've checked the configuration multiple times, and I'm not sure what I might be missing. Has anyone experienced a similar issue or can provide guidance on troubleshooting VLAN configurations on Cisco switches? I also use generator electric power supply to run my vlan. Kindly guide me what to do now?