Switch mgmt-VLAN DHCP advertised a default gateway (192.168.88.1) that stole mamba's default route from WiFi, cutting the netbird underlay to askari. Fixed client-side with never-default/high-metric/ignore-auto-dns on the wired NetworkManager profile; WiFi stays default, tunnel holds. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
781 B
781 B
Incidents
Dated log of issues we troubleshoot and how they resolved. One file per
incident: YYYY-MM-DD-short-slug.md. Keep them short and factual — symptom,
what we found, what we changed (and in which source repo), outcome.
Suggested template
# YYYY-MM-DD — <short title>
- **Host(s):**
- **Reported by / observed:**
- **Reach path used:** (access.md §...)
## Symptom
## Investigation
## Root cause
## Fix
- Source repo + commit:
- Live action taken:
## Verification
## Follow-ups
Log
- 2026-07-05 — mamba drops netbird when the switch cable is plugged in
— switch mgmt-DHCP default gateway stole mamba's default route; fixed with
never-defaulton the wired NM profile.