A common avenue through which hackers can compromise routers is remote management. If you manage the devices through your network, you may need remote management enabled. Unfortunately, hackers can use brute force attacks or hidden vulnerabilities to hijack this capability and gain full control of the device. However, you can minimize the risk by configuring…
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There are so many aspects to Cisco that it can be difficult to find at a glance all the information related to APIs and other developer information for currently supported products. To help make this information more accessible, Cisco has re-launched DevNet, also known as the Cisco Developer Network, in 2014. While DevNet existed in…
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When configuring logging for Cisco equipment, you may want to have the best of both worlds in terms of detail and brevity. Too much detail in the console may make it difficult to focus on critical information. However, if problems are encountered, it’s good to have a place where you can explore the details further.…
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One easy way to get more bandwidth for less money is to buy a fast router and use switches to increase the number of available ports. For example, an 8-port router will generally cost more than a 4-port router. However, if you need 8 ports, you can connect an 8-port switch to your router. In…
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One of the problems with data encryption is that it usually causes the data to take up a lot more storage space. This can pose a problem particularly in applications (such as ones for cloud-based storage) that need to handle encrypted IP addresses or other short pieces of data. Because IP addresses are shorter than…
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The Spanning Tree Protocol (STP) prevents certain network problems caused by switching loops (also called bridge loops), which happen when there are multiple Layer 2 paths between endpoints. If network traffic can take too many paths, an infinite loop may result, causing a network storm that crowds out normal traffic. STP works by using an…
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The cloud offers many advantages, such as the ability to scale quickly and to outsource maintenance tasks. However, the plethora of cloud choices can get dizzying, and managing all these options becomes its own challenge. To facilitate managing infrastructure across public, private, and hybrid clouds, Cisco has created a set of tools called Intercloud Fabric.…
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A common avenue through which hackers can compromise routers is remote management. If you manage the devices through your network, you may need remote management enabled. Unfortunately, hackers can use brute force attacks or hidden vulnerabilities to hijack this capability and gain full control of the device. However, you can minimize the risk by configuring…
DetailsWhen you renew your certificate issued by a Certification Authority and upload to ASA, you may wonder why website visitors still receive an invalid certificate error. One reason this could happen is if you forgot to enable your certificate on the outside interface. You can perform this step in ASDM by going to Interface |…
DetailsIf you’re setting up VoIP phones for multiple organizations sharing the same PBX, you may need a way to segment the phone extensions so that they don’t conflict. One way to do this in Cisco Unified Communications Manager is through directory numbers and partitions. By assigning a given directory number and partition to each of…
DetailsHigh Demand, Low Supply of Cybersecurity Experts As the world moves further into the digital age, it only makes sense that cybercrime is on the rise. A number of major organizations have found themselves at the center of controversy after failing to adequately protect customer information. As a result, there is a growing segment of…
DetailsThere has long been a debate among IT professionals about the true value of certifications. Are they just a way for vendors to milk you for more money? Or do they really benefit your career? In a recent survey of 700 network professionals, jointly conducted by Network World and SolarWinds, of the 74% that held…
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