Tags » [OSPF]

OSPF: Virtual links and prefix suppression

The lab

While reading through the “IP routing on Cisco IOS, IOS XE and IOS XR” book I came across a relatively new technique for OSPF. 1,126 more words


ESXi Transition Complete

Over the last few days, I made the final transition to using just the ESXi server to host the VMs.  No longer will I have thirty windows open that I have minimized for VM Player. 411 more words

Home Lab

OSPF DR/BDR and new networks connecting

The lab

As we all know in a shared segment a DR/BDR is elected to handle the exchange of routing updates. I wanted to see exactly what happened when a DR/BDR election took place and how the routing updates were sent throughout the network so I set up a small GNS3 lab. 429 more words



For the floading of routes throughout a netwerk, OSPF user Link State Advertisements (LSA). With OSPF V3 for IPv6 there are a couple of new LSA types. 260 more words


OSPF Design Considerations


Open Shortest Path First (OSPF) is a link state protocol that has been around for a long time. It is geneally well understood, but design considerations often focus on the maximum number of routers in an area. 984 more words


Zone Planning Part 2

Took a break, did some labbing inside the VM Ware NSX.  Not too bad so far – just looks like a glorified GUI for setting up the network side.   653 more words

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