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Switch port in both Vlan and Trunked..

bob.mckinley
Level 1
Level 1

I'm taking over a configuration from another admin and he currently has the trunk port also in a vlan from my understanding you can't have a trunk port in a vlan, besides the vlan 1, is that correct?

16 Replies 16

The firewall could certainly be passing traffic between VLANs - I am not sure I understand your question about default gatways though - the servers in the various VLANs would be configured with the firewall as the default gateway, otherwise they would not be able to get off the VLAN.

You don't necessarily need a trunk to pass traffic on VLANs. It looks like you have lots of access ports on different VLANs. If each of these connects to another switch also having an access port in that VLAN, then the VLAN traffic will pass through. It just takes one access port for each VLAN you want to pass.

Really I need to see your network diagram to know if this is the case.

Kevin Dorrell

Luxembourg