I have two offices/locations connected together with an MPLS network (ISP supplied). My ISP tels me that it works just like an Ethernet cable in both ends.
On one of my locations I have an working setup with two Cisco switch2960. I have trunking between them and it works just fine. If I move one om the switches to the other location, the trunking does not work.
Does the vlan tagging work though an MPLS network? Should the setup work?
This is my port config on both sides.
interface FastEthernet0/27 description Trunk switchport trunk native vlan 9 switchport trunk allowed vlan 1-99 switchport mode trunk switchport nonegotiate
Best Regards Martin