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Load balancing Internet and Site to Site VPN's across Multiple ISP.

Hi Everyone,

We  are currently connected to a single ISP with different Internet related  services like mail, web, dns and IPSEC site to site VPN's running. We  would be adding another ISP and do load balancing across these multiple  links. We are using Cisco ASA firewall.

Can anyone suggest a load  balancer which can not only provide load balancing of the links but  failover as well for mail,web and IPSEC Site to Site VPN's. I came  across Peplink that can achieve this but I guess I will have to  decommision our ASA in order to install Peplink.

Check attached diagram, this will be our proposed design.

Regards

1 REPLY
Cisco Employee

Load balancing Internet and Site to Site VPN's across Multiple I

Hi Sundeep,

The simplest solution would be to put an IOS router (or two with HSRP) between the ASA and the ISPs and do policy-based routing for your flows between the 2 ISPs. Otherwise, any load balancer should work fine with the ASA. If failover of the load balancer is a requirement, you'll need to look at product specific documentation for whichever solution you choose.

-Mike

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