Network Management Strategies for the CIO
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Understanding VLAN implementation and IP address assignment
Learn how to create and configure a VLAN in this response from a network administration expert Ask the Expert
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What is NAT, and how do I know if it's taking place on my network?
In this Q&A, our expert explains the basics of NAT (Network Address Translation), where it occurs, and what it does. Ask the Expert
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Is time-to-live (TTL) thrown out in IPv6?
Why is there time-to-live (TTL) in IPv4 but not in IPv6? Find out in this expert response. Ask the Expert
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Why IPv4 and IPv6 don't do fragment reassembly in routers
Learn why IPv4 does not do fragment reassembly at the next router and why this is even more important in IPv6. Ask the Expert
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Prevent IP address conflicts on your wireless network by managing DHCP scopes
One of the problems with bringing a wireless access point into a wired network is that the vast majority of wireless access points are configured by default to act as DHCP servers. If your network already makes use of DHCP, this can cause some proble... Tip
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How can I check connectivity and ping between sites?
Learn how to check connectivity and ping to other sites when your modem and telecom company claim they work fine, in this expert response with our routing and switching guru, Sudhanshu Gupta. Ask the Expert
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How do I calculate the time taken for a file to be transferred over a WAN link?
Calculate the time it will take for a file to transfer over a WAN link with the help of Dr. Hughes in this expert response. Ask the Expert
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Can I connect to my wireless network and wired LAN simultaneously?
Learn how to connect to a wireless network and wired LAN simultaneously in this troubleshooting advice from Lisa Phifer. Ask the Expert
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How to subnet: Subnetting calculations and shortcuts
Whether you need a subnetting cheat sheet or you're preparing for your CCNA exam, this tip and quiz on subnetting shortcuts shows you how to calculate a subnet mask, breaks down IP address classes, and explains binary and how to get bit values of one... Tip
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How do IP addresses work on Layer 2 switches?
Learn how IP addresses work on Layer 2 switches from our networking fundamentals expert. Ask the Expert