Kubernetes - Service Mesh
If Envoy sidecar logs show no incoming requests but the app container is receiving traffic, what is the most probable reason?
If Envoy sidecar logs show no incoming requests but the app container is receiving traffic, what is the most probable reason?
medium📝 Command Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Confirm traffic flow
If app receives traffic but Envoy logs none, traffic likely bypasses Envoy.Step 2: Check iptables rules
Envoy relies on iptables to redirect traffic; missing rules cause bypass.Final Answer:
Traffic is not being routed through Envoy due to missing iptables redirection rules. -> Option BQuick Check:
Missing iptables rules cause traffic to skip Envoy. [OK]
Quick Trick: Missing iptables rules cause Envoy to miss incoming traffic. [OK]
Common Mistakes:
- Assuming Envoy is crashing without evidence
- Ignoring iptables role in traffic redirection
- Believing app container receives no traffic
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