Network Management Strategies for the CIO
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Is my firewall setting preventing wireless network guest access?
In a wireless guest network, find out why some vendors can connect without authentication while others cannot get an IP in this ask the expert response.
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Can routers be configured to send files to appropriate servers?
Our routing expert explains how to configure your router to send files to assigned servers in this expert response.
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IP address configuration to connect Layer 3 switches to ports
Our routing and switching expert explains the IP address configuration needed to connect a Layer 3 (L3) switch to a port, in this response.
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How do I configure two leased lines in one router?
Our routing and switching expert explains how to configure two leased lines in one router, in this Ask the Expert answer.
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How to retrieve passwords from locked laptops
How can I retrieve passwords from locked laptops? Our networking fundamentals expert answers this question.
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How to interpret test scan results to assess network vulnerability
Once you've run some test scans with a network tool, how do you interpret the results to assess network vulnerability? Find out in this Ask the Expert response with our enterprise network security ...
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What's the Ethernet packet collision rate in Windows OS?
Is there a way to know the Ethernet packet collision count/rate in a Windows OS? Find out in this answer from our networking fundamentals expert, Chris Partsenidis.
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What commands allow network traffic to pass through PIX firewalls?
The PIX firewall can secure networks but you need to allow access to the right people. Learn which commands get network traffic flowing, from security expert Puneet Mehta.
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For an SMB firewall, what features should I look at?
Which features should you look at when choosing a SMB firewall? Find out in this expert response with our network security expert.
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Wireless troubleshooting: AP not reestablishing association after loss of connectivity
Learn how to troubleshoot your wireless connectivity with our expert, Lisa Phifer. She explains why connectivity is reachable in a mobile cabin and why the AP can't reestablish association after lo...
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What can we expect in an 802.11n Wireless LAN standard implementation?
At what stage is 802.11n implementation in, and what changes can we expect to see with it? Learn about the standard from wireless networking expert Lisa Phifer.
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Can you create a persistent wireless connection to a wired LAN?
Can you create a persistent wireless connection to a wired LAN? Find out from our wireless networking expert, Lisa Phifer.
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Why are IPv6's IP addresses in hexadecimal formatting?
Why would IPv6 use hexadecimal formatting if it's so user unfriendly, and what sort of workarounds are there to make IP addressing easier? Find out in this expert answer.
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Should I CCIE certify or get voice/security Cisco certifications?
Is it better to complete an expert Cisco certification, like CCIE, or to focus on hot tracks like security or voice? Our expert responds here.
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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
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What should I know before implementing a packet sniffer?
Before implementing a packet sniffer learn what you need to know before putting one into your network and where it should go.
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To practice for my CCNP, what's the best simulator?
What should you use to practice on for your CCNP exam? Find out the best simulator from our Cisco certifications expert.
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Cisco Certified Internetwork Expert (CCIE) prerequisites and average earnings
Our Cisco certification expert, David Minutella, explains what the Cisco Certified Internetwork Expert (CCIE) requires of you and what the average earnings are, in this Ask the Expert response.
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Does WAN optimization work when compression's enabled on host devices?
Will WAN optimization work when compression is enabled on host devices? Our expert explains how WAN optimization can be combined to deliver significant performance improvements on pre-compressed tr...
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Can 802.11 protocols be used with GPRS connectivity?
Can 802.11 protocols be used with GPRS connectivity? Find out from our wireless networking expert, Lisa Phifer.
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Pros and cons of integrated appliances
Integrated appliances incorporate storage, processing and networking into one single product. But are they always a good choice?
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Provisioning IT services with the cloud
Using public cloud services requires diligent enterprise IT management of the cloud provider to make it a success.
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Should you ever not use a firewall?
There are many new network security devices on the market today. Expert Chris Partsenidis opines on whether these can replace firewalls.
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