Quagga-ospf-bgp

Troubleshooting

tcpdump for ospf traffic only

tcpdump -nli any -n "ip[9] == 89"

ospf, multicasting over GRE and quagga with examples

• http://troglobit.com/2016/07/05/multicast-routing-with-pim-sm-over-gre/

Quagga

• http://xmodulo.com/turn-centos-box-into-ospf-router-quagga.html