OSPF routing between Ubuntu and CentOS using Quagga | Lazy Geek -:)
Using Fedora 9 as an OSPF / BGP router (Quagga / Zebra) and set up BGP between Linux and Juniper ScreenOS | Corelan Cybersecurity ResearchCorelan Cybersecurity Research
Load balanced, redundant network configuration for Linux using ECMP, Quagga, BGP and OSPF