Running OSPF across Frame Relay

The various models you can use to run OSPF over partially-meshed WAN (usually Frame Relay) are complex enough to make you scream ... or switch to EIGRP :) Arden Packeer did an excellent job in his three-part tutorial describing broadcast and non-broadcast network types, point-to-multipoint network type and point-to-point links over Frame Relay.

If you still have problems with OSPF after reading all three tutorials, use point-to-point subinterfaces.

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Ivan Pepelnjak, CCIE#1354, is the chief technology advisor for NIL Data Communications. He has been designing and implementing large-scale data communications networks as well as teaching and writing books about advanced technologies since 1990. See his full profile, contact him or visit his page on Facebook.