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Tag Archives: OSPF Neighbors
Multi-Area OSPF in a Mixed Cisco and Dell Force10 Environment
In this lab I use one Cisco 2621XM [IOS 12.4(2)T], one Cisco 2621 [IOS 12.3(18)], one Cisco 3660 [IOS 12.1(1)T], one Cisco 3640 [IOS 12.1(2)T], one Cisco 3550-24PWR-SMI [IOS 12.2(44)SE6], one Dell Force10 S60 [FTOS 8.3.3.7], and one Dell Force10 … Continue reading
Posted in Cisco, Dell Force10, Force10 Networks, Labs, Networking, Protocols, Technology
Tagged 2621, 2621XM, 3550-24PWR-SMI, 3640, 3660, ABR, Area Border Router, Area Border Routers, Cisco, Cisco 2621, Cisco 2621XM, Cisco 3550-24PWR-SMI, Cisco 3640, Cisco 3660, Dell, Dell Force10, Dell Force10 S50N, Dell Force10 S60, Force10, Force10 Networks, Force10 S50N, Force10 S60, multiarea ospf, Open Shortest Path First, OSPF, ospf neighbor, OSPF Neighbors, S50N, S60, Type 3 LSAs
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OSPF Explained and Useful Troubleshooting Commands
Open Shortest Path First (OSPF) is an open standard link-state routing protocol that supports multiple equal-cost routes to the same destination (four by default). OSPF constructs a shortest path tree and then updates the routing table with the best paths. … Continue reading
Posted in Cisco, Labs, Networking, Protocols, Technology, Troubleshooting
Tagged ABRs, adjacency, area 0, Area Border Routers, AS, ASBR, Autonomous System, Autonomous System Border Router, backbone area, Backup Designated Router, BDR, Cisco, Cisco 2126XM, Cisco 2126XM router, Cisco IOS, cisco router, cost, Designated Router, Hello packets, Link State Advertisement, LSA, neighbor, Neighbors, Open Shortest Path First, OSPF, OSPF Adjacencies, OSPF area, OSPF Backup Designated Router, OSPF BDR, ospf cost, ospf database, OSPF Designated Router, OSPF Hello Packets, ospf neighbor, OSPF Neighbors, OSPF process, OSPF Router ID, ospf troubleshooting, router, Router ID, Shortest Path First, shortest path tree, SPF
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