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Cisco Services & Technologies
Cisco SmartCare Update - Next Generation Appliance
It's been more than a year since we introduced the Cisco SmartCare service and appliance. It's been extremely popular and has successfully penetrated the Cisco market with installations continually i…
Cisco Routers
Configuring Policy-Based Routing (PBR) with IP SL…
What is Policy-Based Routing?
Policy-Based Routing (PBR) is a very popular feature in Cisco routers, it allows the creation of policies that can selectively alter the path that packets take wi…
Routing
Hybrid Routing Protocols - Advantages and Disadva…
Hybrid routing protocols are a combination of distance-vector and link-state routing protocols, and are used to provide a more efficient and scalable routing solution in larger networks. These…
ManageEngine Firewall Analyzer
Ensuring Compliance and Business Continuity in a…
In the wake of digital transformation, the work landscape as we know it has undergone a dynamic shift. People can now work from home, from the office, or anywhere with a stable internet connection. L…
Linux - Unix
Installation and Configuration of Linux DHCP Serv…
For a cable modem or a DSL connection, the service provider dynamically assigns the IP address to your PC. When you install a DSL or a home cable router between your home network and your modem, your…
Domain Name System (DNS)
The DNS Protocol - Part 3: DNS Query Message Form…
This section will deal with the analysis of the DNS packets by examining how DNS messages are formatted and the options and variables they contain. To fully understand a protocol, you must understand…
Virtualization & VM Backup
6 Key Areas to Consider When Selecting a VM Backu…
Backup and Disaster recovery are core considerations for any business with an IT footprint, whether that is on-premises or in the cloud.
Your business depends on reliable IT systems to support the b…
Linux - Unix
Updating Your Linux Server - How to Update Linux…
Like any other software, an operating system needs to be updated. Updates are required not only because of the new hardware coming into the market, but also for improving the overall performance and…
Ethernet Protocol, CSMA/CD, Collisions
The IEEE 802.3 Frame Format
The following is a description of the Ethernet Frame Format described in the IEEE 802.3 Specification. The 802.3 Specification defines a 14 byte Data Link Header followed by a Logical Link Control He…
Ethernet Protocol, CSMA/CD, Collisions
IEEE 802.3 Interframe Spacing
The IEEE 802.3 specification states that before a station can attempt to transmit on the wire, it must first wait until it has heard 9.6 microseconds of silence. Many popular myths have arisen surrou…
Ethernet Protocol, CSMA/CD, Collisions
Migrating From Ethernet To Fast Ethernet
In this article we will analyze the following aspects of upgrading/migrating from 10Mbit Ethernet to 100Mbit Ethernet.
Cabling
Incompatible Implementations
Repeaters In Fast Ethernet
Replacemen…
SASE & SD-WAN Networks
WAN Optimization vs SD WAN Networks. Today’s Chal…
Enterprises have been successfully running WAN optimization appliances at their many distributed sites for years. The devices have done a good job of helping businesses squeeze as much capacity as po…
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