?
Solved

OSPF failover implementation

Posted on 2012-04-10
1
Medium Priority
?
786 Views
Last Modified: 2012-06-21
I have two WAN links and I'd like to implement failover primary and secondary connection with OSPF. Any tutorials or recommendations? Thx
0
Comment
Question by:biggynet
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
1 Comment
 
LVL 17

Accepted Solution

by:
pergr earned 2000 total points
ID: 37831474
The only thing you need to do is to configure your metric on the two links, and OSPF will chose the one with the lowest metric as primary, and failover to the other link when the primary is down.

In case your primary link has a higher bandwidth, then this will be automatic - even without manually configuring the metric.

If it is high speed links, you may want to configure your "reference bandwidth" under OSPF. By default this is just 100 Mbps, which is not very useful these days. Better set it to 100 Gbps.

Then the metric for each link is automatically calculated as 100Gbps divided by the bandwdith for each link.

...and Bob's your uncle.
0

Featured Post

Free learning courses: Active Directory Deep Dive

Get a firm grasp on your IT environment when you learn Active Directory best practices with Veeam! Watch all, or choose any amount, of this three-part webinar series to improve your skills. From the basics to virtualization and backup, we got you covered.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

AWS has developed and created its highly available global infrastructure allowing users to deploy and manage their estates all across the world through the use of the following geographical components   RegionsAvailability ZonesEdge Locations  Wh…
We recently endured a series of broadcast storms that caused our ISP to shut us down for brief periods of time. After going through a multitude of tests, we determined that the issue was related to Intel NIC drivers on some new HP desktop computers …
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
Michael from AdRem Software outlines event notifications and Automatic Corrective Actions in network monitoring. Automatic Corrective Actions are scripts, which can automatically run upon discovery of a certain undesirable condition in your network.…
Suggested Courses
Course of the Month13 days, 22 hours left to enroll

800 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question