In this post I'm going to look at the characteristics of OSPF and EIGRP when used in a Dynamic Multipoint VPN (DMVPN). I will do my best not to play favorites and instead stick to the facts (yes, I do have a preference :-). To that end I will back everything up with data from my lab. The focus areas of the comparison will be: Scalability of the hub router's control plane Overall control plane stability Traffic engineering This post won't go into any background on how DMVPN works. If you're no...| packetmischief.ca
Mohamed Anwar asked the following question on my post "4 Types of Port Channels and When They're Used". "I need a clarification, where if a member link fails, what will happen to the traffic already sent over that link ? Is there any mechanism to notify the upper layer about the loss and ask it to resend ? How this link failure will be handled for data traffic and control traffic ?" — Mohamed Anwar I think his questions are really important because he hits on two really key aspects of a fai...| packetmischief.ca