path preference

OSPF – Implement and troubleshoot path preference – Non backbone transit areas

nicolas
5 February 2015

Theory: From the Cisco website: « The OSPF Area Transit Capability feature is enabled by default. RFC 2328 defines OSPF area transit capability as the ability… Read More »

OSPF – Implement and troubleshoot path preference – Per neighbor cost

nicolas
2 February 2015

Let’s look at another way to influence path preference with OSPF. Theory: Because OSPF cost calculation for a segment is based on the… Read More »

OSPF – Implement and troubleshoot path preference – Bandwidth

nicolas
30 January 2015

Another way to influence OSPF path selection is to change the bandwidth configured under one interface. Requirements : Ensure that traffic from R4 to… Read More »

OSPF – Implement and troubleshoot path preference – Cost

nicolas
30 January 2015

Let’s now take a look at how to influence path preference using the cost command. Requirements: Ensure that the traffic from R4 to… Read More »

OSPF – Implement and troubleshoot path preference – Auto cost

nicolas
29 January 2015

Let’s start working on how to influence the OSPF path selection. Theory: The formula for OSPF automatic cost calculation is the following: Interface… Read More »