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Problem with LAN-to-LAN IPsec Tunnel Between Two Routers

n1c0la5va55al
Level 1
Level 1

Hello,

Here is the situation:

A CISCO871 router is configured to establish an IPSEC tunnel with a CISCO ASA5520. The configuration is ok about that.

I wish to configure the same CISCO871 in order to establish a LAN-to-LAN IPsec Tunnel with another CISCO871 at the same time in order to reach private network. So, I have followed the cisco procedure Document ID: 71462 "LAN-to-LAN IPsec Tunnel Between Two Routers Configuration Example"; it works, I can reach the peer private network BUT ONLY when the IPSEC tunnel with ASA is not established.

It seems to be a routing problem...I don't find how to configure to make both tunnels up and functional at the same time.

Thank you for your help.

Best regards,

1 Reply 1

paolo bevilacqua
Hall of Fame
Hall of Fame

May things can be wrong usually due to configuration mistakes.

If you want a safe and professional results, recommend you hire a certified partner, or reputable consultant for the configuration.