Mobility Without Complexity: Four Tips to Prepare Your LAN for 802.11n
Businesses have long recognized the benefits of wireless networking: flexible network connectivity, improved productivity, and lowered cabling costs. As the demand for reliable and predicable wireless support for time-sensitive applications (such as video...
Cisco Betters Its Catalyst 2000 Line
Most popular Cisco Catalyst 2000 line extended with 2960-X, which doubles stack ports and bandwidth, cuts energy use Cisco this week upgraded its best-selling Catalyst switch by doubling its stacked port density, stacking bandwidth, buffers and CPU performance....
Cisco 887VA Router Overview & Its USB
The Cisco 887VA is quite a capable unit, and you can see some of the specs as follows: Cisco 887VA Integrated Services Router-Integrate Access and Security New Cisco 887VA Routers support DSL multimode, including very-high-speed DSL 2 (VDSL2) and asymmetric...
Cisco USB Console Ports
Scott Hogg wrote the article “Cisco USB Console Ports” that is a popular one in a list of the top 10 articles in his blog. Here we will share it with network and Cisco fans. Cisco USB Console Ports Cisco products now come with USB ports that allow console...
Cisco ASA 5505 DMZ with Private VLAN Configuration
The ASA 5505 is the only model that has an 8-port switch embedded in the device. All interfaces of the ASA5505 are Layer2 switch ports and thus they support some features that you can find on Cisco switches. One of these features is called “Private Vlan”....
How to Troubleshoot Nexus 5500s and 1 GE SFPs?
The newer versions of NX-OS support 1G or 10G on the N5K, but the Nexus5000 is not auto-speed sensing. A mini case study follows. One of my customers just put some GLC-SX-MM optics and a fiber patch between a Catalyst 3750 and a Nexus5000. He happened...
IPv6 OSPF/v3: Case Study
This document is an illustration of Stub, Totally Stub and NSSA area feature in an IPv6 environment. Stub, NSSA, and totally stubby are supported and configured in the exact same way as for OSPFv2 for IPv4, using the area stub, area nssa, and area stub...
OSPF Neighborship Troubleshooting
When setting up dynamic routing protocols, there are certainly a number of things that need to be configured correctly for everything to end up working as planned. On top of this, each of the different routing protocols has different elements that they...
How to Configure AAA Authentication on Cisco ASA Firewall
AAA stands for Authentication, Authorization, and Accounting. AAA is a mechanism that is used to tell the firewall appliance who the user is (Authentication), what actions the user is authorized to perform on the network (Authorization), and what the...
Cisco Gets Tough: Details Ruggedized Switches for Harsh Environments
In small form factor, CGS-1000 switch is low-latency and designed for utilities Cisco, which wants to expand its clout into the industrial networks used by power-generation utilities to support the electric grid, today announced an expansion of its "smart...