In the previous post, we laid the foundation of L3 fabric DC In this post we will discuss the underlay network which mainly provide IP reachability plus ECMP capability, here BGP would play a role in your DC next to the 3 other that we discussed one of the previous posts. …
Read More »BGP
L3 fabric DC -The underlay Network -Part1
In the previous posts we have discussed the classic DC designs and the M-LAG solution. In this post we will cover the basic L3 fabric DC, you might never heard of it or you think that’s a solution for massive scale DC, yes the massive DC in the world would be running L3 fabric but nowadays more …
Read More »Classic DC and M-LAG
In the pervious post we talked about BGP in Data Center and how it is a topic of discussion in between the DC and the SP arenas. In this post I will start explaining some classic DC design and laying its shortage which will engage the SP gurus with us, as …
Read More »BGP in the Data Center
If you think that BGP is a Server Provider (SP) only protocol and is not your business in the data center, then better think again because BGP is coming to your territory. Traditionally for Enterprises and DCs; BGP commonly took part at the Internet edge in multi-homing scenarios (the internet from …
Read More »What is 6PE?
6PE is one of the efficient solutions for interconnecting IPv6 islands over an IPv4-only MPLS cloud without needing to drastically change the core network design by having all your Core routers dual-stacked 6PE does not use manual standard tunnels, it provides an alternative where all tunnels are established dynamically eliminating …
Read More »BGP Weight Attribute
BGP weight attribute is a Cisco proprietary path attribute that is local to the router and is used to influence local path selection on a certain router. BGP weight is the first in the list: BGP weight is the first tie breaker for best path selection on a Cisco router, …
Read More »