I am trying to change the VLAN tag on a vlan on one of my core switches. Currently the network is vlan 5 and i need to change it to vlan 7. The subnet with remain the same.
During a maintenance window, I shut down the vlan 5 layer 2 and the vlan interface layer 3, then i created the interface vlan 7 with the same subnet at vlan 5 and created the layer 2 vlan 7.
The vlan goes though a switch to get to the edge switch that the host is connected to. I can ping the gateway of the vlan 7 i created from the switch in the middle and the switch on the other edge (3 switches involved total: core, middle switch, and edge where host is) but when i put the interface on the edge switch that the host is connected to I cannot ping the host from the core, middle, or even the edge switch that the host is attached to.
IProuting is turned on with all switches, and the vlan 7 is allowed across all interconnecting trunks.
I am attaching a diagram to help show it better.
Any help is appreciated!
is the Host belong to VLAN 5 before, after changing VLAN 7, did you change the access port VLAN 5 to VLAN 7 ?
post the 3560 show run, show ip arp what post host connected? what is the IP of the host?
Also suggest to clear arp table,
on which switch would i run this on, the core switch that the vlan 7 is on, or the edge switch that the host is on.
Also i notice when i do a show vlan I only see vlan 7 on the core switch on the list, not on the switch in between the core and the edge and not on the edge switch.
i also ran clear arp-cache int gi0/47 and no change.