We have an ASA5520 with multiple site to site VPN, there is one particular tunnel that the customer can't seem to consistently iniate the tunnel. The other tunnels work fine. They are using a low end DSL Cisco router, 881W. So we end up initiating the tunnels for them by sending ping packets. Is there a way to automate or schedule a ping in ASA or ASDM?
However, even though you can specify the source interface as you noted above, have you verified that actually works through the site-site VPN?
I thought the site-site VPN traffic was only considered "interesting" if it arrived at the ASA inside interface and hit the incoming access-list that is referenced by the cryptomap (which then puts into into ipsec encapsulation and sends it on to the peer). If it's generated from the ASA itself, it never hits that access-list - or does it?
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...