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tag:
priority: 380
type: txt
help: Tunnel interface
val_help: <tunN>; Tunnel interface name
syntax:expression: pattern $VAR(@) "^tun[0-9]+$" \
; "tunnel must be (tun0-tun999)"
commit:expression: $VAR(./local-ip/) != "" ; \
"Must configure the tunnel local-ip for $VAR(@)"
commit:expression: $VAR(./remote-ip/) != "" ; \
"Must configure the tunnel remote-ip for $VAR(@)"
commit:expression: $VAR(./encapsulation/) != "" ; \
"Must configure the tunnel encapsulation for $VAR(@)"
create:
if [ x$VAR(./multicast/@) == xenable ]; then
MC="multicast on allmulticast on";
fi
case "$VAR(./encapsulation/@)" in
"gre" | "ipip" | "sit")
if [ -n "$VAR(./parameters/ip/bridge-group/)" ] ; then
echo "interfaces tunnel $VAR(@): Tunnel encapsulation type must be gre-bridge if a bridge group is defined";
exit 1;
fi
if [ -z "$VAR(./parameters/ip/ttl/@)" ]; then
TTL="ttl 255"
fi
if [ -n "$VAR(./parameters/ip/key/@)" ]; then
KEY="key $VAR(./parameters/ip/key/@)";
fi
ip tunnel add $VAR(@) local $VAR(./local-ip/@) remote $VAR(./remote-ip/@) mode $VAR(./encapsulation/@) $KEY $TTL ||
echo "interfaces tunnel $VAR(@): error creating tunnel interface"
;;
"gre-bridge")
ip link add $VAR(@) type gretap local $VAR(./local-ip/@) remote $VAR(./remote-ip/@) ||
echo "interfaces tunnel $VAR(@): error creating tunnel interface"
;;
"ipip6" | "ip6ip6")
ip -6 tunnel add $VAR(@) local $VAR(./local-ip/@) remote $VAR(./remote-ip/@) mode $VAR(./encapsulation/@) ||
echo "interfaces tunnel $VAR(@): error creating tunnel interface"
;;
esac
ip link set $VAR(@) $MC up ||
echo "interfaces tunnel $VAR(@): error setting tunnel interface active"
delete:
ip link set $VAR(@) down
case "$VAR(./encapsulation/@)" in
"gre" | "ipip" | "sit")
ip tunnel del $VAR(@) mode $VAR(./encapsulation/@);;
"gre-bridge")
ip link delete $VAR(@) ;;
"ipip6" | "ip6ip6")
ip -6 tunnel del $VAR(@) mode $VAR(./encapsulation/@);;
esac
end:
if [ "${COMMIT_ACTION}" == DELETE ]; then
/opt/vyatta/sbin/vyatta-tunnel-cleanup $VAR(@)
fi
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