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[shihabhamsa]

Dear All

I have a scenario. For my remote office only the connectivity option is an ADSL2+ with a single static IP. I use 877K9 router for this connection.

ADSL supplier provides only PPPoA connectivity. I am using ezvpn from this router back to my headquarters for IPsec Tunnel.

Now I have a requirement, that I have to place an ASA 5520 behind the ADSL 877K9 router

the connection will be like this


LAN - ASA5520 - 877K9ADSLRouter - Internet - HQASA5540 - HQLAN

ASA 5520 will be having a non routable private IP in any case for its outside interface. Now my question is, by any means will I be able to create an IPSec tunnel between ASA5520 with a non routable private IP to ASA5540 back in HQ which has a public pool in its outside interface