Tags » [OSPF]

Default route (0.0.0.0/0) LSA Types in different OSPF areas

As we already know OSPF has different area types (normal, stub, totally stub, not-so-stubby/nssa and nssa totally stub) and the LSAs permitted inside them varies accordingly. 1,316 more words

N2 Default Route

Routing and other considerations 1.

Objetivo: Desarrollar un escenario donde se produzca el error de OSPF %OSPF-4-FLOOD_WAR y confirmar la causa que lo genera.

Escenario propuesto:

El escenario cumple con las siguientes condiciones: 392 more words

OSPF

OSPF Lab 4 - OSPFv2 Multiarea Adjacency.

Objetivo: Crear un laboratorio para probar OSPFv2 Multiarea Adjacency feature.

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Teniendo como base el siguiente escenario:

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BR4 y BR5 son entidades pertenecientes a la red mostrada. 1,216 more words

OSPF

OSPF part 3: passive-interfaces

Hi mate! We are going to proceed with configuration of passive-interfaces. First, let me emphasize the need of passive-interfaces.  We configure passive-interfaces for security reasons. Imagine if an intruder tried to hack the network and the interface that it was connected is sending OSPF updates, so what will happen is the information that was advertised by neighbor routers will be shared to the hacking router. 290 more words

OSPF part 2: Router-ID

Hi mate, good morning!  We will be dealing back with our network topology that we configured before.

You wonder what is router-id right? Router-id is the identifier of router on the perception of another router. 779 more words

OSPF Lab 3.

Objetivo: Analizar cómo se “enteran” los routers dentro del área 0 que hubo un cambio en una subnet que se encuentra en otra área, digamos área 1. 706 more words

OSPF

OSPF Lab 6 - InterArea vs IntraAera.

Objetivo: Analizar el enrutamiento basado en rutas de tipo interarea e intraarea en un escenario dado.

Topology:

B2 tiene su enlace principal por el router WAN1. 1,734 more words

OSPF