Posts Tagged ‘Brocade’

Classful routing/networking is no valid into today’s CIDR (Classes Inter-Domain Routing) networks; however, it seems that people are still over using the classful terminology almost interchangeably. The concept of classes in network is obsolete and should no longer be used when referencing network subnets because classful routing has defined network ranges that make them classful and CIDR does not. Read the rest of this entry »


Core vs. Edge Routing Topology

There isn’t a lot of talk about this; however, there is a lot of training material that references this debate and makes recommendations for edge based routing. For those not familiar with the topic I am talking about “Campus LANs” and not ISP networks where you essentially have to push routing to the edge for some customers. In my article I am talking about Core vs Edge in the aspect of where we perform all of our routing in a “Campus LAN” Read the rest of this entry »


How often do we run into problems and have to contact a third party vendor to get the resolution only to spend a large amount of time getting someone (sometimes ourselves) to stop the blame game and start working together? This seems to happen all the time in the IT field and this is frustrating as all hell and we as IT professionals and engineers need to put our ego and pride aside and work on the problem to benefit our customer and I’ll share my thoughts on the various scenarios… Read the rest of this entry »


Let me start by saying that Superscopes are not a standard mechanism of DHCP, just a “hack” by Microsoft to support networks that don’t understand the concept of “1 IP subnet PER vlan, not 10 IP subnets per VLAN”. The only, and I do mean ONLY, time that you use Superscopes is when you have a network design that has multiple IP subnets inside the same VLAN. Let me explain the ONLY instance where this is needed and WHY you need multiple interfaces configured for this to work… Read the rest of this entry »