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- Configuring the Cisco 851W or 871W: Standard IOS
- This tutorial by George Ou and Justin James shows you how to set up an advanced SOHO configuration for the Cisco 851W router. by George Ou
- Blog posts 2008-07-03
- Choosing the Toshiba CIX1200 phone system
- Choosing a new phone system is an important consideration for any organization. The telephony market is changing considerably with new players entering the market all the time. TechRepublic readers helped Scott Lowe with his decision to choose a Toshiba CIX1200 system and avoid systems that may not have been the...
- Blog posts 2008-06-22
- 10 commands you should master when working with the Cisco IOS
- Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you'll need to rely on when handling various configuration and troubleshooting tasks. by David Davis
- Blog posts 2008-06-13
- What you need to know about Cisco IOS access-list filtering
- Let's face it, if you don't use Cisco IOS access lists ACL every day, they can be very painful to use. Why are ACLs so painful? Besides just being difficult to use, the penalty for mistake is huge. In one swift swoop, you could incorrectly permit malicious attackers onto your...
- Blog posts 2008-06-05
- IPv6 and IPv4 mixed mode nodes inevitable
- I am starting to look at Internet Protocol version 6 (IPv6) for selected live systems. While I do not have a particular need or requirement for using the updated version of the lifeblood of my network, I want to start formulating plans and scenarios so that there are no surprises...
- Blog posts 2008-05-26
- Reader Response: Open source IP-PBX's: Ready for the enterprise?
- Bear with me while I get to the information related to the title of this post. I want to provide some background about why I'm asking this question.A few weeks ago, I wrote in the Servers and Storage blog a post indicating that my organization, Westminster College, was considering replacing...
- Blog posts 2008-05-17
- How do I... Install and configure a DHCP server in Windows Server 2008?
- Dynamic Host Configuration Protocol DHCP is an invaluable service when you have a network larger than a handful of computers. It's also a standard component of enterprise networks and sub networks. Microsoft Windows Server 2008's built-in DHCP server allows Windows machines (and any other TCP/IP-based machines and devices) to obtain...
- Blog posts 2008-04-29
- How do I configure load balancing in Windows?
- When you install Win2K Advanced Server or Win2K Datacenter Server, NLB becomes available by default. To activate NLB, go to Network And Dial-up Connections, right-click on the interface you want to use for load balancing usually one of the Local Area Connections, and select Properties. Highlight the...
- Blog posts 2008-04-28
- Using the AdderLink IPEPS to manage a remote server
- As I noted recently in the IT Numbers blog, more than half of SMBs conduct their business in more than one location. The ability to remotely access lone servers is only going to become more important - especially for companies with fewer IT pros on staff. It's...
- Blog posts 2008-04-25
- Learn to configure Cisco IOS NAT on a stick
- A well known NAT configuration is called "NAT on a stick." Besides having a funny name, NAT on a stick can be very useful to network administrators. In this article, learn what NAT on a stick is and how it can help you. What is Network Address Translation? ...
- Blog posts 2008-04-24
- Are you ready for the next version of IP?
- Experts have been talking about IP addresses for several years now, because the current version of IP limits the number of such addresses to a theoretical maximum of 4.7 billion. Though the number of Internet connected devices is much higher than that already, we have not run out of...
- Blog posts 2008-04-17
- Reconcile IP addressing from Active Directory DNS for Windows Server 2003 subdomains
- If your Domain Name System DNS is fully integrated with Active Directory, you may have a variance in the assigned TCP/IP addresses and what is in use if there is no accommodation for removed or changed systems. You can use a quick one-liner to export the IP addresses in use...
- Blog posts 2008-04-15
- IronKey: Simple, safe, and secure surfing over Wi-Fi
- Fellow TechRepublic writer Paul Mah has written a great post, "Secure your data on the go", that explains why the IronKey USB flash drive is a very secure data storage device with virtually foolproof encryption and password-protected access. I would like to discuss another equally interesting feature of IronKey that...
- Blog posts 2008-03-27
- PBX to redundant servers: Thoughts?
- Last summer, my IT department assumed responsibility for the campus PBX and associated services. The PBX is a rock-solid Nortel Meridian switch. However, rock-solid doesn't necessarily mean that the switch is the right long-term solution for the College. For a variety of reasons that I won't go...
- Blog posts 2008-03-04
- Set up ISC's dhcpd server
- Large and small networks alike can take advantage of DHCP and often do. With the dhcpd server from Internet Systems Consortium ISC you can not only provide dynamic IP addresses to hosts on your network, you can also provide static IP addresses based on the host's MAC address. This is...
- Blog posts 2008-03-03
- Unified communications terminology cheat sheet
- If your organization is considering implementing a unified communications solution, you may feel a bit overwhelmed as you examine the options from different vendors. Understanding the new terminology that has sprung up around the new technologies can sometimes be a struggle.To prepare you to intelligently discuss your...
- Blog posts 2008-02-22
- Use OpenSSH as a secure Web proxy
- Making sure your computers are secure is, in some respects, a full-time job. It gets even more complicated when you have to worry about wireless security too. An important concern for travelers who use wireless networks in their travels -- whether they are using the wireless access...
- Blog posts 2008-02-17
- Protect your network with the Cisco IOS Firewall
- Why buy another expensive device if your router can also provide firewall functionality? Any "Firewall Feature Set" version of the Cisco IOS contains the IOS Firewall, a built-in firewall inside the Cisco router. Let's find out what the IOS Firewall can do and learn how to configure it. ...
- Blog posts 2008-02-07
- Use tcpdump for network debugging
- Tcpdump is an extremely useful network packet tracing system. While not as feature-rich as programs such as Wireshark, its packet "dump" output can be used as input by other programs to analyze the dump. In a pinch, and for network debugging, tcpdump works wonders. For instance, if...
- Blog posts 2008-01-25
- ATEN launches affordable range of IP KVM for SMBs
- ATEN Technology, Inc. has released new 8 and 16-port IP KVM switches with built-in IP remote access. Designed and priced specifically for the small and medium-size business SMB market, the KH1508i and KH1516i CAT5 KVM features 8-port and 16-port respectively. Both models are multi-platform...
- Blog posts 2008-01-16
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