Being that it has been quite awhile since my ROUTE, this will contain a lot of core / foundation concepts, and tie them into troubleshooting as I go. That said, here we go! OSPFv2 (IPv4) review and troubleshooting OSPF is configured with a Process # that is locally significant only "router ospf #" and networks … Continue reading TSHOOT – OSPFv2, OPSv3, OSPF Address-Families, huge LSA / LSDB review, and troubleshooting everything OSPF!
Really quick post tonight just to re-hash some of the material I already covered but haven't posted about, and finally got my virtual link in Area 34 which is an Ethernet segment off the Fa0/0 of both R3 and R4 off the usual Hub-and-Spoke NBMA network. This is achieved by going into the Router Configuration … Continue reading OSPF Virtual-Links, Cabling