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Sim 03: OSPFv2 Multi-Area with Summarization and Filtering

Blueprint 3.2.b · Difficulty: Medium · Time target: 20 minutes

R3 and R4 are already running OSPF. Bring R1 and R2 into the design as area border routers, clean up the lab prefixes that R3 advertises, and keep them out of area 2.

Download the lab

CML lab file · EVE-NG lab file

4 nodes. The lab boots in its starting configuration. CML: Import a lab, then start it. EVE-NG: import the .unl from the lab list; if your image folder names differ, edit each node's image.

Topology

graph LR
  R3["R3<br/>Lo0 10.255.255.3<br/>Lo1-4 172.16.0-3.1/24"]
  R1["R1 ABR<br/>Lo0 10.255.255.1"]
  R2["R2 ABR<br/>Lo0 10.255.255.2"]
  R4["R4<br/>Lo0 10.255.255.4<br/>Lo1 192.168.44.1/24"]
  R3 -- "Gi0/0 .2 - 10.1.3.0/30 - Gi0/1 .1<br/>Area 1" --- R1
  R1 -- "Gi0/0 .1 - 10.1.2.0/30 - Gi0/0 .2<br/>Area 0" --- R2
  R2 -- "Gi0/1 .1 - 10.2.4.0/30 - Gi0/0 .2<br/>Area 2" --- R4
Node CML image
R1, R2, R3, R4 IOSv
Interface Area
R1 Lo0, R2 Lo0, R1 to R2 link 0
R1 to R3 link, R3 Lo0, R3 Lo1 to Lo4 1
R2 to R4 link, R4 Lo0, R4 Lo1 2

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