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on cisco router 2921 ip routes missing?

Posted on 2014-12-26
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Last Modified: 2015-01-03
Dear Expert,

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.
please help.
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Question by:nainasipra
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Expert Comment

by:Justin Yeung
ID: 40519376
well did you write mem?

do show version and see what is the actual up time.
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Author Comment

by:nainasipra
ID: 40519379
hi Yeung,

sure I did write mem always and uptime is also long time mean it was not restarted/reload.
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LVL 50

Expert Comment

by:Don Johnston
ID: 40519523
The first thing I would do is look at the logs and see if there are any message that coincide with when the problem occurs.  For example, you may see an interface that reset or the config changed at the time when you lost the routes.
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Accepted Solution

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nainasipra earned 0 total points
ID: 40523224
I have changed IOS now its working fine :)
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Author Closing Comment

by:nainasipra
ID: 40528929
IOS upgrad solve the issue
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