Ask the Experts

Network Infrastructure

Is there a command in a Cisco Catalyst that will tell me the IP address of a PC hanging off a port?

Find the IP address of a PC through commands in a Cisco Catalyst in this expert response. Continue Reading
Why do vendors say ANEXT and Shannon's capacity are the problems for passive connectivity?

Are ANEXT and Shannon's capacity problems for passive connectivity? Carrie Higbie clarifies this and the 10BASE-T standard in this expert response. Continue Reading
When do you use a straight-through patch cable, and when do you use a crossover cable?

Learn when to use a straight-through patch cable and when to use a crossover cable in this Q&A with infrastructure expert Carrie Higbie. Continue Reading
How do I figure out the configuration on my router?

Figure out the configuration on your router with the help of routing and switching expert Sudhanshu Gupta. Continue Reading
What configuration option would remove our Novell client/server dependency on PIM Dense Mode?

Novell client/server configuration options to remove your PIM Dense Mode dependency are discussed by IPv4 and IPv6 expert Silvia Hagen in this Q&A. Continue Reading

Is there any private/public IP address range in IPv6?

Learn about private and public IP address ranges in IPv6 in this expert response by Silvia Hagen. Continue Reading
How do I get a proper load-share on this router running no routing protocols?

Sudhanshu Gupta explains how to get a proper load-share on a router running no routing protocols that achieves a 90% reception and 80% transmission, in this Q&A. Continue Reading
What is the step-by-step process to ping a host on two hosts using a router?

Learn how to ping a host on two hosts using a router in this expert response by Sudhanshu Gupta. Continue Reading
Can more than one computer on a LAN function as a server?

Network administration expert Lindi Horton answers whether or not more than one computer on a LAN can function as a server. Continue Reading
Where can I find a good practice lab for Aruba mobility controller, switches and access points?

Find a good practice lab for Aruba mobility controller, switches and access points in this expert response by Lisa Phifer. Continue Reading
Are new wireless products supporting 802.11n any more or less secure than older 802.11a/b/g wireless

View this expert response to see if new wireless products, supporting 802.11n, are any more or less secure than older 802.11a/b/g wireless products. Continue Reading

What are the commands for checking a switch?

Sudhanshu Gupta shows us the various commands in which a switch can be checked in this expert response. Continue Reading
What is the difference between a patch panel and a switch?

Routing and switching expert Sudhanshu Gupta explains the use of a patch panel and how it differs from a switch in this response. Continue Reading
How can DHCP configure an Internet node without having a 6bone?

IPv4 and IPv6 expert Silvia Hagen explains the use of a 6bone in reference to DHCP configuration. Continue Reading
Can I browse an IPv6 Web site, if my ISP runs IPv4?

Expert Silvia Hagen answers the question "Can I browse an IPv6 Web site, if my ISP runs IPv4?" in this expert response. Continue Reading