CCNP

OSPF Neighbor States – OSPF Neighbor Forming Process

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ospf neighbor states

After OSPF Basics it is time to look at “OSPF Neighbor States”. In this article, we will review to step by step OSPF neighbor adjacency. May be you saw the image below before, but we will examine it deeply. 1) First step of  “OSPF neighbor states” is determining the “Router ID”s. Both routers determine their router ID’s […]

CCNP

BGP Neighbor Configuration Explained

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basic bgp config example

BGP neighbor configuration, is the first step about configuring BGP. Neighbors are manually configured at Border Gateway Protocol. It takes about 60 seconds to establish a BGP neighbor adjecency. ( can be verified by “sh ip bgp summary” command ) IGP : OSPF , R1 Loopback : 1.1.1.1 , R4 Loopback : 4.4.4.4 R5(config)# router bgp […]