From Cisco Subnet: Routing TCP/IP author Jeff Doyle blogging for Cisco Subnet: Jeff Doyle, author of Routing TCP/IP, Volumes I and II is blogging at Cisco Subnet for May. We have a free chapter from ...

Congratulations to the winners of last month’s Cisco Subnet giveaways. The following 16 readers will each receive a copy of CCIE Routing and Switching Exam Certification Guide, 3rd Edition by Wendell ...

Please help me understand subnets and subnet masks! Are there any dumbed down resources out there that can break it down better than scouring Reddit threads? I'm currently planning on completely ...

Today, the standard methods for moving the network/host address boundary are variable-length subnet masking (VLSM) for host addressing and routing inside a routing domain, and classless interdomain ...

Hi. I have a rather technical and specific problem, and I know it's the wrong thing to do (especially since it doesn't work), but I'm trying to learn WHY it doesn't work. All subnets are 255.255.255.0 ...