Network Management Strategies for the CIO
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How does routing work with IPv6? How is it divided?
IPv6 expert Silvia Hagen breaks down the bits of IPv6 and explains how to routing works with it. Ask the Expert
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PRI and E1 defined
PRI and E1 defined, with links for more information. Ask the Expert
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Is there any case for a router to advertise more than one prefix to hosts on a link?
In this expert response, IPv4/IPv6 expert Silvia Hagen answers what the cases are for a router to advertise more than one prefix to hosts on a link. Ask the Expert
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What is Nagle's algorithm in reference to TCP/IP?
IPv6 expert Silvia Hagen answers what Nagle's algorithm is in reference to TCP/IP. Ask the Expert
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Routing: Five common, easily avoided errors
Router configuration errors don't have to take down your network. Learn five common routing mistakes -- and how to avoid them -- in this tip. Tip
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IP addressing
Learn about IP addresses with this tutorial. Tip
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What is the difference between circuit-switched and packet-switched networks?
Find out the difference between circuit-switched and packet-switched networks in this Q&A, plus whether or not Ethernet MACs are needed to build up a LAN. Ask the Expert
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Network security -- Taking the layered approach
Network security is tricky business. In his new book Hack the Stack, author and security expert Michael Gregg outlines how to secure the network using the OSI model. Article
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How do I check if the switches on my network support IGMP?
In this Q&A, our routing and switching expert tells us how to check if the switches on a network support IGMP? Ask the Expert
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Certain ports on a router shut down; two networks show different alarm reports
Our routing and switching expert, Sudhanshu Gupta, suggests how to fix conflicting, network alarm reports on the shutdown of ports on a router. Ask the Expert