They are probably using a sticky static for your device connected to them and then routing your network down that interface. So you should be able to use the /28 on the back side of the router off a different Ethernet port or another port off the As...
Are you saying you are adding the new switch to a stack? Or is this a separate switch not connected to the stack?Sent from Cisco Technical Support iPad App
You have to have the vlan on the dmz switch. That is why you can't reach the eg. Do a show interface trunk and you should see all interfaces that are trimming and all vlans active on the interfaceSent from Cisco Technical Support iPad App