OSPF Packets and Neighbor Discovery

[lagapidis (Lazarus Agapidis)]

Hello Ajmal

Take a look at this post:

OSPF DR/BDR Election explained

Hello Sims When a new OSPF neighbor relationship is created, the first thing that happens is an exchange of information to determine who is the master and who is the slave. Each OSFP neighbor relationship between two OSPF routers has a master and a slave. The purpose of this determination is to decide who speaks first. The master/slave negotiation in OSPF happens during the exstart state : both neighbors will claim to be the master by sending an empty database description packet with the Mas…

I hope this has been helpful!

Laz