We're Sorry, Full Content Access is for Members Only...

If you like to keep on reading, Become a Member Now! Here is why:

  • Learn any CCNA, CCNP and CCIE R&S Topic. Explained As Simple As Possible.
  • Try for Just $1. The Best Dollar You've Ever Spent on Your Cisco Career!
  • Full Access to our 644 Lessons. More Lessons Added Every Week!
  • Content created by Rene Molenaar (CCIE #41726)

482 Sign Ups in the last 30 days

satisfaction-guaranteed
100% Satisfaction Guaranteed!
You may cancel your monthly membership at any time.
No Questions Asked!

Tags: , , ,


Forum Replies

  1. Hi Rene,
    Fantastic article. This is the senerio I am trying. I have a site that is using a primary link as MPLS and a secondary backup link as VPN (IPsec site-to-site). Due to some erformance issues I would like to change the primary as the VPN and keep the MPLS as the backup. In my case I have a Fortigate Firewall at one site where the MPLS and VPN links terminate and at my head office I have a Core switch where the MPLS terminates and another fortigate where the VPN terminates. I have decreased the Administrative distance on the Fortigates to 18 so that it is

    ... Continue reading in our forum

  2. Hi Ian,

    Static routes will send ALL traffic for a certain prefix in a certain direction. It doesn’t care what kind of traffic it is…PBR (Policy Based Routing) lets you change the next hop IP address for specific traffic, for example something that matches an access-list.

    The “backup” time depends on the timers that you configured for IP SLA.

    For your internal networks, OSPF is a good solution because it will automatically deal with failed links and such. IP SLA + Static routes however can be useful for the edge of your network. Imagine you have two ISPs and you

    ... Continue reading in our forum

  3. Hi Sahar,

    BFD is useful for local networks where you use protocols like OSPF or EIGRP. IP SLA is more useful for WAN connections, you can use it to check if your Internet connection is operational.

    Rene

  4. Hi Laz

    //cdn-forum.networklessons.com/uploads/default/original/2X/a/ac98801ce4d97073221452a70f8d8a86955d11c9.png

    I follow your introduction, but it still the problem once My IP SLA which ping to 8.8.8.8 through ISP1 using source interface that direct connect to ISP1 fail, it will use secondary route , after failover to secondary route, IP SLA keep fail, as it never can reach 8.8.8.8 with source interface connect to ISP1 using secondary route which go through ISP2.
    Please help on this problem
    Thank you
    Sovandara Heng

39 more replies! Ask a question or join the discussion by visiting our Community Forum