Detailed explanation of multi-area OSPF experiment LSA

One, topology map

Ii. purpose of the experiment

1. Observe the content notification ID and link ID of each type of LSA

2. Who issued the various LSA, what is the role

3. Grab the package and look at the contents of the Hello Package

Third, the experimental steps

Start r3-r8, configure IP address and run OSPF by zone 110

1. Grab the bag and look at the contents of the Hello Package

The contents of the Hello package are as follows: the OSPF version number v2, the Route-id of the router that sent the Hello packet, the area ID, the authentication type, the subnet mask, the hello/dead time, the interface priority, the DR/BDR interface address, the neighbor's RID, There should also be a stub that does not have a stub region, because no stub area is configured. (Possible observations are problematic)

2.Lsa Summary, detailed results please see the output of the show command below