Netsane is a script to easily configure multipath routing under Linux, allowing the use of multiple gateway links, and affording some measure of equalization (not true load balancing) across these links.
Multipath routing under Linux is not without caveats -- see Julian Anastasov's excellent site and patches for additional information and enhancements, as well as Christoph Simon's notes on how to use more than one independent Internet connection.
Netsane is free software, released under the BSD License. You can download the latest release from the website.
Requirements:
- A modern generation Linux kernel (v2.4.0 or higher) with the following options enabled:
- CONFIG_IP_ADVANCED_ROUTER
- CONFIG_IP_MULTIPLE_TABLES
- CONFIG_IP_ROUTE_MULTIPATH
- Netsane relies upon iproute2 (netsane was developed using iproute2-ss010824), iptables and standard tools such as awk.
Product's homepage
Here are some key features of "netsane":
· easily configured multipath routing, including equalized route cycling
· options to add blackhole/null routes
· options to bind specific destinations to specific routes
· options to mark specific traffic to use specific routes (via iptables)
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