subnet

Articles

IP subnetting made easy

June 28, 2006 7:00am PDT

IP network engineers need a solid understanding of how IP subnetting works--yet the subject is often taught so poorly, students wind up completely baffled. George Ou has developed a simple,...

93 Latest comment by Twidget0831

Articles

Subnetting a Class B network address

May 29, 2001 7:00am PDT

Subnetting a Class B network can involve some serious thought! As a network administrator, you'll have to know it and know it well. Todd Lammle walks you through clear instructions and simple...

18 Latest comment by allan ainomugisha

Articles

Subnetting a Class C network address

May 24, 2001 7:00am PDT

Subnetting a Class C network can be a tricky process to master. From MCSE to CCNA to RHCE to CNE, you'll have to know it and know it well. Todd Lammle walks you through clear instructions and...

15 Latest comment by renygeek

Articles

Subnet a Class A network with ease

March 28, 2002 8:00am PST

Class A subnetting is a form of network addressing typically reserved for the government and larger institutions. It can have a large number of unique nodes, which can prove quite a challenge....

3 Latest comment by Deadly Ernest

Articles

Expand your network by supernetting IP addresses

May 19, 2003 7:00am PDT

If you're looking to segment a TCP/IP network, subnetting is not your only option. CIDR, or supernetting, is another way to accomplish the task and offers some unique solutions. Here's how to use...

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Blog Post

What to watch out for when adding a second router into a SOHO network

April 15, 2013 5:45am PDT

Scott Reeves runs through some guidelines for adding a second Wi-Fi router to a SOHO network.

23 Latest comment by Adrian Watts

Blog Post

Using VirtualBox VMs on your network's subnet

February 15, 2011 6:59am PST

If you drop down from the clouds you will see there are actual virtualization solutions that can be had on the cheap. Jack Wallen demos one here.

Articles

Create an IP addressing plan that will grow

June 9, 2006 1:55pm PDT

When you set up the first network for a small business, you may not give much thought to how the company's growth will affect your IP addressing scheme. By planning ahead at the beginning, you can...

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Articles

Cisco IP subnetting 101: Five more things you should know

July 14, 2005 7:00am PDT

How much do you know about IP subnetting? Last time, David Davis detailed five things you should know about IP subnetting. This time, he adds five more things to this list, including what you...

14 Latest comment by rcastle@...

Blog Post

Improve authentication process over WAN links with Active Directory Sites

April 14, 2009 12:08pm PDT

Derek Schauland explores the ways you can improve authentication for remote locations via WAN links if your organization is still using Windows 2003 Server and Active Directory.

5 Latest comment by m.finlay@...

Blog Post

Exploring Windows Server 2008's Active Directory Sites And Services

October 30, 2009 6:25pm PDT

Windows Server 2008 has many of the same utilities as Windows Server 2003, but there are some changes. Here's a look at what you'll find in Windows Server 2008's version of Active Directory Sites...

2 Latest comment by magno.alberto@...

Blog Post

IP subnetting made easy

March 3, 2009 12:25pm PST

George Ou explains IP subnetting using his own graphical approach. It's a great primer for students and a nice refresher for others.

45 Latest comment by AdamB29

Articles

Cisco IP subnetting 101: Five things you should know

July 7, 2005 6:43pm PDT

How much do you know about IP subnetting? Even if you're familiar with the topic, it never hurts to review the basics. David Davis tells you five things you should know about IP subnetting, and he...

21 Latest comment by Maddys

Blog Post

What you need to know about Cisco IOS access-list filtering

June 5, 2008 8:02am PDT

Cisco IOS ACLs are difficult to use. You can unwittingly create havoc on your network if you don't know some of the basic rules. David Davis focuses on the role of ACLs in packet filtering and...

20 Latest comment by Doug Vitale

Blog Post

The quickest NetBIOS scanner on the Web: Nbtscan

May 18, 2008 9:10pm PDT

Taking a quick look at an inventory of systems on a network is incredibly handy. Sure, there are plenty of tools to scour the network and give detailed reports about MAC addresses, IP addresses,...

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Articles

TechRepublic Tutorial: Subnetting a TCP/IP network

May 20, 2003 7:00am PDT

Learn the basics of IP addressing, reasons to subnet, and the logic behind slicing up an IP network.

56 Latest comment by gipit33@...

Articles

Cisco IP subnetting 101: An introduction to supernetting

August 18, 2005 7:00am PDT

After reading David Davis' recent two-part series about the basics of Cisco IP subnetting, members asked for more. This week, David responds to one member's questions about changing bits on the...

8 Latest comment by mksarav75

Articles

IP Subnetting Interactive Quiz

October 31, 2005 3:04pm PST

Test your knowledge of subnetting with this IP Subnetting quiz.

20 Latest comment by Mr. E

Blog Post

Set up ISC's dhcpd server

March 3, 2008 7:00am PST

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...

4 Latest comment by Photogenic Memory

Articles

Build Your Skills: Subnetting and supernetting IP networks

March 22, 2001 8:00am PST

Covers procedures involved in subnetting Class A, B, and C networks, as well as those involved in supernetting Class C networks