OSPF Configuration and Troubleshooting at CCNA level - ICTShore.com
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Preview of the OSPF Commands Optional Commands: Rtr(config-router)# default-information originate (Send default) Rtr(config-router)# area area authentication. - ppt download
OSPF Advanced Concepts: Part 1
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Configure ospf for a topology of three routers with five networks in area 0