If you are more familiar with Cisco kit, you then probably heard of VRFs and its little “brother” VRF-Lite (non-MPLS/MPBGP version). JunOS provides this feature too by means of Routing Instances; this feature, in JunOS, is called virtual-router.  But virtual-router is just one type of routing instances; there is more: virtual-router :: this is the closest version… Continue reading

In due process of rectifying my Juniper certifications, I’ve come to review the following JunOS concepts: Preferred / Primary addresses Default addresses (nothing to do with default route!) Primary Interface Having read Juniper’s explanation on the topic, this time, I found myself asking a few more questions which to me, had no clear answer. I think that looking at each concept separately,… Continue reading