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setup-network.sh: add IPv4/IPv6 preference options to network setup menu

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Justin Oros
2026-04-19 21:49:13 -07:00
parent b76e890857
commit 6fe164a6ae
1 changed files with 18 additions and 0 deletions
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18
spoke/setup-network.sh
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@@ -32,6 +32,8 @@ header "TinyBoard Network Setup"
echo ""
echo " 0) Change hostname"
echo " 1) Configure static IP"
echo " 2) Prefer IPv4 over IPv6"
echo " 3) Prefer IPv6 over IPv4"
echo " q) Quit"
echo ""
read -rp "Choose: " NET_OPT
@@ -53,6 +55,22 @@ case "$NET_OPT" in
;;
1)
;;
2)
header "Prefer IPv4 over IPv6"
if grep -q "precedence ::ffff:0:0/96" /etc/gai.conf 2>/dev/null; then
warn "IPv4 preference already set."
else
echo "precedence ::ffff:0:0/96 100" >> /etc/gai.conf
info "IPv4 preference set. Outgoing connections will prefer IPv4."
fi
exit 0
;;
3)
header "Prefer IPv6 over IPv4"
sed -i '/precedence ::ffff:0:0\/96/d' /etc/gai.conf 2>/dev/null || true
info "IPv4 preference removed. System will use default IPv6-first behavior."
exit 0
;;
q|Q)
exit 0
;;