in-depth learning about OSPF, for my CCNP Route Students (604-902)
cover most of OSPF keypoint learning subjects (kira2 90% dari materi OSPF CCNP ke cover lah)
penjelasan ada di artikel gw terdahulu tentang OSPF Configuration

Warning…minimum processor is Core2Duo (recommended is i5/i7) because 13 routers we have here
to use this file (especially GNS one)…just see “File-file latihan” Page on the right side panel (below computer theory and router configuration link)
here is the CCNP OSPF link (link sudah tidak berlaku, bikin sendiri aja)
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from Engineer-to-Engineer
and from me with love (alay lu man !!)