Month: July 2012

Cisco buying tips: Catalyst G and Catalyst X Switches

In Cisco land, finding the right switch without any guidance is like wandering into a wild jungle without a map. Cisco is known to have dozens and dozens of variations of the same switch in the same line of switch. For example, even though WS-C3560X-48T-L and WS-C3560G-48TS-S are both in the same Catalyst 3560 family,… Read more »

VMware buys Nicira – $1.05 Billion: SDN the future of networking?

VMware took the IT industry by surprise yesterday with an announcement to acquire Nicira, a network visualization start-up for $1.05 billion. Network Virtualization, or Software Defined Networking (SDN) is growing steadily, but it is still considered as a niche market. According to an interview by New York Tiems, analyst Brent Bracelin from Crest Security estimates… Read more »

Buying the right Chassis and Card that fit your needs: Cisco 6500 and SUP

We sell a lot of 6500 and 6500-E, as well as their supervisor engines, and often times clients will purchase simply because of the lower upfront cost. However, as networking and bandwidth requirement will only grow larger, it may be wise to absorb the larger upfront cost and enjoy the lower overhead that follows when… Read more »

JUNOS QoS/CoS: Relationship between minimum and maximum bandwidth

How often do you get asked, “Hey John, can we get like minimum 500 kbps speed on this line?” And when you hear this, you scramble to find documentation regarding how to set minimum bandwidth. And this often leads to confusion for some network admins that just started. In fact, the concept of “minimum bandwidth”… Read more »