I Have a network  that consists of a 3750 48 port  Ethernet (core), 3750 Fiber(layer 2) trunked on gi2/0/25 to gi1/0/1 all vlans 1,10,20,30,40-41,50-51 allowed. I have had no issues. Added the 8th 2960 created vlan 41 and 51 added to the trunk. VTP i...

I have an issue between a 3750 X fiber and 3750E ethernet switch. The fiber switch was setup as the routing member and the 3750E is a layer 2 . The 3750 E host all the servers on the network the fiber switch is the link to all the IDF closets. All cl...