Cisco FabricPath is a proprietary protocol that uses ISIS to populate a “routing table” that is used for layer 2 forwarding. Whether we like or not, there is often a need for layer 2 in the Datacenter for the following
CLUS Keynote Speaker – It’s a Dirty Job but Somebody’s Gotta Do It
Did you guess by the title who will be the celebrity keynote speaker for CLUS San Diego? It’s none other than Mike Rowe, also known as the dirtiest man on TV. Mike is the man behind “Dirty Jobs” on the
HSRP AWARE PIM
In environments that require redundancy towards clients, HSRP will normally be running. HSRP is a proven protocol and it works but how do we handle when we have clients that need multicast? What triggers multicast to converge when the Active
Network Design Webinar With Yours Truly at CLN
I’m hosting a network design webinar at the Cisco Learning Network on Feb 19th, 20.00 UTC+1. As you may know, I am studying for the CCDE so I’m focusing on design right now but my other reason for hosting this
Cisco Live in San Diego – Will You Make It?
“Make it” was one of the first singles released by the the band Aerosmith. Since then these guys have been rocking away for about 40 years. What does this have to do with Cisco Live? Aerosmith will be the band
STP Notes for CCDE
These are my study notes for CCDE based on “CCIE Routing and Switching v5.0 Official Cert Guide, Volume 1, Fifth Edition” and “Designing Cisco Network Service Architectures (ARCH) Foundation Learning Guide: (CCDP ARCH 642-874), Third Edition“, “INE – Understanding MSTP”
Noction Intelligent Routing Platform (IRP) – What is it?
I was contacted by some people at Noction and asked if I was interested in writing about their platform, the Intelligent Routing Platform (IRP). Since it’s a product that uses Border Gateway Protocol (BGP), it peaked my interest. First let’s
Cisco Reveals New Products – The Time of Multigigabit is Here
Wireless networks are becoming faster and faster. With 802.11ac Wave 2, wireless networks will be capable of achieving speeds up to 6.8 Gbps. This creates challenges when connecting APs to switches which normally run Ethernet at 1GE or 10GE. To
QoS Design Notes for CCDE
Trying to get my CCDE studies going again. I’ve finished the End to End QoS Design book (relevant parts) and here are my notes on QoS design. Basic QoS Different applications require different treatment, the most important parameters are: Delay:
Unique RD per PE in MPLS VPN for Load Sharing and Faster Convergence
This post describes how load sharing and faster convergence in MPLS VPNs is possible by using an unique RD per VRF per PE. It assumes you are already familiar with MPLS but here is a quick recap. The Route Distinguisher