Troubleshooting UDP stream connectivity issues using packet captures and Wireshark. Identified TTL expiration as root cause of packets not reaching destination across multiple hops.
Experiences launching Winnipeg Internet Exchange (WpgIX). Discusses benefits of local peering, network configuration challenges, and impact of content delivery infrastructure.
Personal experiences with IPv6 adoption from 2001 tunnel access through ISP-level deployment. Covers client behavior (Happy Eyes), NAT implications, security considerations, and network implementation perspectives.
Implementing BCP38 ingress filtering on Cisco routers to prevent spoofed traffic from leaving your network. Includes ACL examples to filter bogus source addresses and private ranges.
