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Make IPv4 multicast space 224.0.0.0/4 broadcast by default.

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We already do this for IPv6 multicast space (ff00::/8), so why not
extend it to IPv4.
This commit is contained in:
Etienne Dechamps 2014-06-29 14:15:58 +01:00
parent 46a5aa0d67
commit 116f2ed27a
2 changed files with 2 additions and 2 deletions
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2
doc/tinc.conf.5.in
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@ -161,7 +161,7 @@ This is most useful to declare subnet broadcast addresses (e.g. 10.42.255.255),
.Nm tinc
won't know what to do with them.
.Pp
Note that global broadcast addresses (MAC ff:ff:ff:ff:ff:ff, IPv4 255.255.255.255), as well as IPv6 multicast space (ff00::/8) are always considered broadcast addresses and don't need to be declared.
Note that global broadcast addresses (MAC ff:ff:ff:ff:ff:ff, IPv4 255.255.255.255), as well as multicast space (IPv4 224.0.0.0/4, IPv6 ff00::/8) are always considered broadcast addresses and don't need to be declared.
.It Va ConnectTo Li = Ar name
Specifies which other tinc daemon to connect to on startup.
Multiple

2
src/net_setup.c
View file

@ -586,7 +586,7 @@ bool setup_myself_reloadable(void) {
free(bmode);
}
const char* const DEFAULT_BROADCAST_SUBNETS[] = { "ff:ff:ff:ff:ff:ff", "255.255.255.255", "ff00::/8" };
const char* const DEFAULT_BROADCAST_SUBNETS[] = { "ff:ff:ff:ff:ff:ff", "255.255.255.255", "224.0.0.0/4", "ff00::/8" };
for (size_t i = 0; i < sizeof(DEFAULT_BROADCAST_SUBNETS) / sizeof(*DEFAULT_BROADCAST_SUBNETS); i++) {
subnet_t *s = new_subnet();
if (!str2net(s, DEFAULT_BROADCAST_SUBNETS[i]))