Parahub AI 3771521d59 fix(vpn): Replace UCI grev6 with manual GRE6 tunnel init script ...

OpenWrt 25.x lacks the netifd grev6 protocol handler, so the UCI
vpn_tunnel interface never came up (NO_DEVICE). Now using a dedicated
init script (parahub-vpn-tunnel, START=96) that:

- Creates ip6gre tunnel with encaplimit none (critical: Yggdrasil
  drops IPv6 packets with DSTOPT extension headers from encaplimit)
- Waits for Yggdrasil address before creating tunnel
- Adds guest subnet direct route to table 100 (fixes DNS/reply
  routing — without it, router replies with source in guest subnet
  get routed through GRE instead of back to the client)
- Reloads firewall so vpn_tunnel zone picks up gre6-vpn device

Also updated VPS mesh-gateway.sh with encaplimit none.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-09 17:02:49 +00:00

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