The Data Plumber | Networking tech stuff.

28 11 2014

Just for reference, heres the config a QFX5100 comes with out of the box. Read the rest of this entry

This is a pretty cool demo of SDN (Software-Defined Networking) and NFV (Network Function Virtualization) by our SDN Consultant. Ive seen a lot of slideware on Contrail and NFV, but they dont really help understanding very well. Seeing it actually happen makes a world of difference.

Watch the demo trailer here.

Node and link protection is a mechanism for protecting LSPs from (you guessed it) the failure of nodes and links. It differs from fast re-route in that you have to specify node and link protection on the interfaces of all the downstream routers as well as on the LSP at its source.

My network looks like this at the moment, with an LSP running from R5 to R1 using the shortest path determined by the IGP:

Path of LSP R5-to-R1

Read the rest of this entry

Ive finally had time to do some proper studying for JNCIE, and I noticed something that I may have been getting wrong for a looong time. It is minor, but could have bad consequences in a route-reflection environment.

I have a lab topology set up that looks like this:

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The Data Plumber | Networking tech stuff.