09-03-2012 12:36 AM
Hi,
I use CISCO ESW 520 since 2year and i have a strange problem with new VLAN.
I add a new VLAN for a new activity (VLAN 9), in this VLAN i have a DCPH and a system that can erase operating system on boot on network.
But this VLAN 9 communicate with the VLAN 4.
It's the first time that I see that, because they are no problem with the other VLAN, and the only RJ45 with the VLAN 9 untagged are not plug.
Have you ever seen that?
I continue the investigation but if you have idea.
Thanks
09-03-2012 09:26 AM
Hi Thibaud, let me try to clarify.
You created a VLAN 9. There is only 1 port a member of VLAN 9 which connecting to a DHCP/server. Does this VLAN 9 exist anywhere else?
The ports connecting to your router / other switches, are these tagging VLAN 9? This would be expected to happen automatically because of the smart port macros.
-Tom
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09-13-2012 01:59 AM
Ok I just change Trunk Vlan port to Access Port VLAN and the problem is solved.
Thanks for your help.
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