Learned it the hard way: don't use Cilium's default Pod CIDR, with Isala Piyarisi

This episode examines how a default configuration in Cilium CNI led to silent packet drops in production after 8 months of stable operations.Isala Piyarisi, Senior Software Engineer at WSO2, shares how his team discovered that Cilium's default Pod CIDR (10.0.0.0/8) was conflicting with their Azure Firewall subnet assignments, causing traffic disruptions in their staging environment.You will learn:How Cilium's default CIDR allocation can create routing conflicts with existing infrastructureA methodical process for debugging network issues using packet tracing, routing table analysis, and firewall logsThe procedure for safely changing Pod CIDR ranges in production clustersSponsorThis episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training.More infoFind all the links and info for this episode here: https://ku.bz/kJjXQlmTwInterested in sponsoring an episode? Learn more.