Internetworking Articles

Articles » Internetworking Articles

In early 2000s I wrote a number of articles describing interesting TCP/IP features. They were migrated to a different platform several times, and most of the old URLs are broken. Here’s the list of working links as of December 2020.

I also decided to clean up, update and repost some of them on ipSpace.net.

Internetworking Technologies

• Never-Ending Story of IP Fragmentation
• Improve the Convergence of Mission-Critical Networks with Bidirectional Forwarding Detection

Building Scalable Fast-Converging Networks

• Increase the Stability of your Network
• Bring your Network Closer to Five Nines with Graceful Shutdown
• Scalable Policy Routing
• Designing Fast Converging BGP Networks

Load Balancing

• Perfect load-balancing: How close can you get?
• Load Balancing in BGP Networks

Routing Protocol Details

• Changing the Routing Protocol in Your Network
• Scaling EIGRP Networks with Stub Routers
• The OSPF Default Mysteries
• When OSPF Becomes a Distance Vector Protocol

VPN

• Flexible Extranet Implementation
• Add a VPN to an Enterprise Network with Multi-VRF Functionality

Multihoming

• Small Site Multi-Homing
• Redundant Small Site Multi-Homing
• Servers in Small Site Multi-Homing

Router Management

• Log Changes to Router Configurations
• Compare Snapshots of Router Configurations
• Replacing Configuration on a Working Router

• Secure Time Management
• Network Time Protocol (NTP) In a Nutshell