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Dual ISP / Internet Redundancy with IPSEC VPN

sanjeevmahadani
Level 1
Level 1

Hi,

Got a situation where Location_A got TWO ISP and Location_B got One ISP.

Using ISP 1 link Location_A  establishes IPSEC Tunnel with Location_B .
How do I establish redundancy from Location_A point of view, if ISP1 is down then ISP2 should establish IPSEC tunnel with Location_B
At Location_A both ISP links terminates on the cisco PIX-525 and all (VPN) crypto configuration is on PIX 525 running version 

PIX Version 7.2(4)7

At Location_B VPN is terminated on a PIX Version 6.3(3)

Any suggestion

Reg

Sanjeev

2 Replies 2

Dear Sanjeev,

Please attach a network diagram.

Thanks.

Portu.

Hi below is as required.

Reg

Sanjeev