I am facing problem that on my router cisco 2921 "ip routes are missing" and IPsec VPN is running on that router. it was working fine since last 6 months, suddenly I start facing problem since last 3 days?
CiscoR# sh ip route
Default gateway is not set
ICMP redirect cache is empty
and If i enter command "ip routing" and again I have to enter my all static routes then it start working but after sometimes I face same problem again.
NOTE: no router shutdwon/restart or anyother changes, this problem is coming automatically.