Category: Routing

VRF and OSPFv3

VRF and OSPFv3

Virtual Routing Forwarding used to create virtual routing instances in a router. Configurations: R1 hostname R1 ! ! ip vrf BLUE  description BLUE Virtual Forwarding ! ip vrf RED  description RED Virtual Forwarding ! ! interface Ethernet0/0  description RED Network 10  ip vrf forwarding RED  ip address 10.0.0.1 255.255.255.0  ipv6 enable  ospfv3 1 ipv4 area … Continue reading VRF and OSPFv3

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Dynamic Routing Through IPSec Without GRE – Using VTI’s

Dynamic Routing Through IPSec Without GRE – Using VTI’s

On a previous post, we created a GRE tunnel to permit routing protocol through an insecure (Internet) network and protected it with IPSec. As you all should know GRE adds another layer of encapsulation (at least 4 bytes), which means more overhead. One major advantage compared with the traditional method of IPSec is that, since … Continue reading Dynamic Routing Through IPSec Without GRE – Using VTI’s

Frame-Relay Cloud Configuration in Packet Tracer 7.0

Frame-Relay Cloud Configuration in Packet Tracer 7.0

I know that frame-relay is seeing his last days, but since some students asked for it here is as sample configuration of the generic cloud-pt as a frame-relay switch. 1º Step - Add a Generic Cloud to the Packet Tracer Topology 2º Step - Add 3 router C2911 3º Step - Add HWIC-2T modules to … Continue reading Frame-Relay Cloud Configuration in Packet Tracer 7.0