#1 — LLM Gateway iptables IP drift — silent traffic DROP for ~18 hours

ID: #1 Status: resolved Severity: critical Component: llm-gateway Reported by: jim Created: 4/19/2026, 2:30:00 PM Resolved: 4/19/2026, 2:30:00 PM
Environment State

After a power outage, Docker recreated the llm-gateway container and it was assigned a new internal IP (172.28.0.74) instead of the previously pinned 172.28.0.71. The iptables ACCEPT rule in prysm-llm-gw-enforce.sh still pointed to 172.28.0.71. Traffic was silently dropped in the DOCKER-USER chain. No application-level errors appeared — only LLM queue jobs timing out.

Resolution Summary

Updated GATEWAY_IP in prysm-llm-gw-enforce.sh to 172.28.0.74. Re-pinned ipv4_address: 172.28.0.74 in the llm-gateway compose file to prevent future drift. Reloaded iptables rules. Verified with `iptables -L DOCKER-USER -n`.

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