VLAN 4 VTP

=

tag(s)

VTP modes, pruning, advertisements

VLAN 3 Config And File Oddities

tag(s)

vlan.dat, delete, vlan database mode

VLAN 2 Theory Refresh

Im sure we have all seen this error before lol

Lets check the trunk links and see they look like

We can see the NATIVE VLAN on fas0/11 is 12, not 1

Over on switch1 it NATIVE vlan belongs to fas0/12 ... looks like a slip of the ole keypad(mistake)

lets correct it

Problem solved

tag(s)

vlan, trunking, native vlan mismatch, trunk modes