http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCts67025Looks like this is an IOS bug.line cards stop responding to interface changesSymptom:One or more line cards stop responding to interface changes ...
If you are running 8.22, then you are hitting buy CSCtd36473. http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCtd36473
Most like the issue is on 10.10.1.0 side of the firewall. As its not encrypting the packets. Plz check nat exempt and mask in crypto map. Btw , which version are u running.Sent from Cisco Technical Support iPhone App