I have quite a few tunnels set up on two different 506's.

A problem occured today out of the blue.

Site A has 9 VPN tunnels on it. Site B has 9 vpn tunnels on it. Site A can ping to 8 out of 9 hosts on the different VPNs, and Site B can do the same, however Site A and Site B, do not transfer traffice between the two.

It just started today. Show isakmp sa shows the tunnels established on both..

any help?