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c373de2)
Decrementing the TTL causes IPv6 to fail when Mode = switch, and there may be
other unforeseen side-effects.
won't try to connect to other daemons at all,
and will instead just listen for incoming connections.
won't try to connect to other daemons at all,
and will instead just listen for incoming connections.
-.It Va DecrementTTL Li = yes | no Po yes Pc
+.It Va DecrementTTL Li = yes | no Po no Pc
When enabled,
.Nm tinc
will decrement the Time To Live field in IPv4 packets, or the Hop Limit field in IPv6 packets,
before forwarding a received packet to the virtual network device or to another node,
and will drop packets that have a TTL value of zero,
in which case it will send an ICMP Time Exceeded packet back.
When enabled,
.Nm tinc
will decrement the Time To Live field in IPv4 packets, or the Hop Limit field in IPv6 packets,
before forwarding a received packet to the virtual network device or to another node,
and will drop packets that have a TTL value of zero,
in which case it will send an ICMP Time Exceeded packet back.
+.Pp
+Do not use this option if you use switch mode and want to use IPv6.
.It Va Device Li = Ar device Po Pa /dev/tap0 , Pa /dev/net/tun No or other depending on platform Pc
The virtual network device to use.
.It Va Device Li = Ar device Po Pa /dev/tap0 , Pa /dev/net/tun No or other depending on platform Pc
The virtual network device to use.
and will instead just listen for incoming connections.
@cindex DecrementTTL
and will instead just listen for incoming connections.
@cindex DecrementTTL
-@item DecrementTTL = <yes | no> (yes)
+@item DecrementTTL = <yes | no> (no)
When enabled, tinc will decrement the Time To Live field in IPv4 packets, or the Hop Limit field in IPv6 packets,
before forwarding a received packet to the virtual network device or to another node,
and will drop packets that have a TTL value of zero,
in which case it will send an ICMP Time Exceeded packet back.
When enabled, tinc will decrement the Time To Live field in IPv4 packets, or the Hop Limit field in IPv6 packets,
before forwarding a received packet to the virtual network device or to another node,
and will drop packets that have a TTL value of zero,
in which case it will send an ICMP Time Exceeded packet back.
+Do not use this option if you use switch mode and want to use IPv6.
+
@cindex Device
@item Device = <@var{device}> (@file{/dev/tap0}, @file{/dev/net/tun} or other depending on platform)
The virtual network device to use.
@cindex Device
@item Device = <@var{device}> (@file{/dev/tap0}, @file{/dev/net/tun} or other depending on platform)
The virtual network device to use.
rmode_t routing_mode = RMODE_ROUTER;
fmode_t forwarding_mode = FMODE_INTERNAL;
rmode_t routing_mode = RMODE_ROUTER;
fmode_t forwarding_mode = FMODE_INTERNAL;
-bool decrement_ttl = true;
+bool decrement_ttl = false;
bool directonly = false;
bool priorityinheritance = false;
int macexpire = 600;
bool directonly = false;
bool priorityinheritance = false;
int macexpire = 600;