Our current Peer-to-peer VPN setup does not pass through the pix firewall. We decided to put the same router (3640) on one of pix dmz interface. The new VPN router has a private address and thus being NATed by pix for the remote peers to connect. I have allowed UDP ISAKMP and ESP protocol both ways between peers.
Now the tunnel between peers are ok but email apps does not go through.
Has anybody experience the same? Appreciate help. Thanks!
If your tunnel is up and running, then the issue may not be on the pix. The pix is just a NAT Translating a device sitting behind the VPN Router and Internet.
Are you able to ping the server from the client. Is E mail the only application that is not working. What is the source and destination IP Addresses. It looks like the problem may be with fragmentation.
Please provide some additional details, if possible.
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
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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...