Redunducy: VPN Tunnel & MPLS circuit

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Mar 24th, 2008
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I have 2 circuit in site A. 100MB internet circuit with VPN tunnel to site B and a 4MB MPLS circuit to site B. How can I have a redunducy in site A using VPN & MPLS. If MPLS fails all the traffic to site B will go through VPN. If VPN fail all ttraffic will flow through MPLS. Please advise thank you.

Both circuit are connected to the same switch Cisco 3750G.

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spremkumar Mon, 03/24/2008 - 21:41
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Is it possible to run any routing protocol with your ISP ? Since you are connected both the links onto the ethernet port you cant use 2 static routes to have auto fallback.

In addition to routing protocol you can have a floating static route pointing via tunnel interface with admin distance more than that of the routing protocol configured.

This will help in removing the default route announced by your ISP and install the floating route so that your traffic can flow via the tunnel interface.



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