Author: René Jorissen
Configuration Example, Security, Switching
Layer 2 security
I attended the session layer 2 security, because I had some discussions about layer 2 security with one of my colleagues. We were discussing about using layer 2 security and especially implementing it in the environments from our customers. Looking at my/our customers, I don’t see environments where layer 2 threats would be immediate. But … Read More
Great colleague leaves Ictivity
My, now official, former colleague Duncan Epping left Ictivity and is going to work for VMware as Senior PSO Consultant. Duncan is the owner of the Yellow-Bricks blog, which you need to check on interesting posts on VMware. Duncan, it was great working with you. I learned a lot about VMware from you. Good luck … Read More
Configuration Example, Routing
Policy-Based Routing Catalyst 3560
Today I visited a customer where the power a Cisco Catalyst 3548XL blew up. The switch had a manufacture date of December 2000. It is an old one, but still I haven’t seen a power supply being blown up from a Cisco switch from that age. But oké, the switch needed to be replaced. The … Read More
Campus QoS Design Add-On
Yesterday I attended the QoS Design session and blogged on the subject. After posting the blog on the internet I received an e-mail about a statement in the blog. I placed the following statement on the blog: “Remember e-mail is NOT mission-critical.” In the e-mail I received the following comment on this statement. “What he … Read More
Customer Appreciation Event
Last night Cisco organized the Cisco Customer Appreciation Event. The event took place at Universal Orlando. I thought that should be cool and it really was…… A big part of the park was closed and only accessible for Cisco Live attendees. All the different rides were open, like the Mummy Returns, Terminator 2-D, Twister and … Read More
Campus QoS Design
What can somebody tell me about QoS after I passed the Cisco QoS (642-642) exam just one hour ago ?!?!?! ;-). A lot as I noticed from the session. When designing QoS SLA’s are very important. What are the required latency, jitter and data loss for the different applications, which traffic is really mission-critical and … Read More