Study of OSPF areas

Study of OSPF areas

Sérgio Ribeiro Sérgio Ribeiro

Sérgio Ribeiro

Técnico do Core IP na Paratus Group | CCNP ENTERPRISE

发布日期: 2021年7月12日
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R1 is the router that contains the complete routing table, as it is located in the backbone or in area 0! R1 receives all LSA forwarded to it!
On R8 we have the OSPF database, where we can see the types of LSA that are received! The R8 is on an NSSA totally, so it receives LSA type 7, filtering LSAs (3,4 and 5)! R8 upon receiving LSA type 7 transforms it into LSA type 5 and forwards it to other routers as LSA type 5!
Finally in R5 we can see the OSPF database and the connectivity test (ping) from area 2 to area 1 passing through area 0 (the backbone) ! Below we can see traceroute so we can confirm the tragectory of the traffic!

R1 is the router that contains the complete routing table, as it is located in the backbone or in area 0!

R1 receives all LSA forwarded to it!On R8 we have the OSPF database, where we can see the types of LSA that are received!

The R8 is on an NSSA totally, so it receives LSA type 7, filtering LSAs (3,4 and 5)!

R8 upon receiving LSA type 7 transforms it into LSA type 5 and forwards it to other routers as LSA type 5!

Finally in R5 we can see the OSPF database and the connectivity test (ping) from area 2 to area 1 passing through area 0 (the backbone) !

Below we can see traceroute so we can confirm the tragectory of the traffic!

Edgar Ribeiro

Core IP Network Planning Design and Optimization

3 年

Well done Litle Brou, ENARSI Loading ??

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