I am planning addressing and configuration and I need help, see my architecture in atachement.
Branch is connected to central site by radio link and I should configure VPN between 1841 and asa to secure each link
IP phone use DHCP and DHCP server is call manager. All other equipment is adressed manually
1. Each equipement is at the right place ?
2. I would like to know if my adress plan is the best for my architecture, if not please could you help me ?
3. Asa can support VPN and subinterface ? If not how can I configure B4 interface of ASA to support VPN from branch site and Vlan in LAN of central site ?
4. IP calls from branch site cross trought cisco 1841 and ASA5520, I thing that IPcall can't work on Throught 2 NAT, how can I configure the 1841 and 5520 to forward IP call well ?