Hello,A1: Head office with area 0 as backbone. All other area must to connect with backbone area.A2 and A3: GRE over IPsec. You can use internet and one of solutions from cisco for example DMVPN.A4: Here you have similar topic:https://community.cisco...
Hello,You can use IP Calc: https://jodies.de/ipcalc?host=192.168.1.14&mask1=29&mask2=Next subnet with /29 mask: https://jodies.de/ipcalc?host=192.168.1.22&mask1=29&mask2=
You have static configuration of mode as "access" so your port will be work as "access".In some cases you can have both statements for trunk (switchport trunk) and (switchport access) on the same port. If trunk connection has not negotiated by DTP th...