Hi ! I have a question about a design solution. I need to create a redundancy solution, with HQ and more that 30 branch office. The HQ have 3 connectivity with 3 ISP, these connectivity terminated in the providers's routers and then, they are connected to different isolated vlans that share the connection between two our router. So I want to create a connection between HQ and Branchs, with vpn Gre tunnel and with Eigrp routing protocol. In the HQ environment, I need to use HSRP in the Lan side, so the Ip of R1 is 192.168.100.1, ip of R2 is 192.168.100.2 and the Vip is100.3. Thats is right, so the question is: For the Wans side, can I use the HSRP solutions ? Or i need to use two different tunnel for each router on R3 router ( two tunnel for R1 and two tunnel for R2)? I can take in consideration the Dmvpn, but I want to be able to select a different destinations tunnel for the Branch routers, for example Branch 1 should connect to R1 ISPA end R2 ISPC and Branch 2 should connect to R1 ISPB and R2 ISPA. I think this is not simple in the Dmvpn scenario. I attached the topology.
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