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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

2
doc/tinc.conf.5.in
View file

@ -161,7 +161,7 @@ This is most useful to declare subnet broadcast addresses (e.g. 10.42.255.255),
.Nm tinc .Nm tinc
won't know what to do with them. won't know what to do with them.
.Pp .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 .It Va ConnectTo Li = Ar name
Specifies which other tinc daemon to connect to on startup. Specifies which other tinc daemon to connect to on startup.
Multiple Multiple

2
src/net_setup.c
View file

@ -586,7 +586,7 @@ bool setup_myself_reloadable(void) {
free(bmode); 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++) { for (size_t i = 0; i < sizeof(DEFAULT_BROADCAST_SUBNETS) / sizeof(*DEFAULT_BROADCAST_SUBNETS); i++) {
subnet_t *s = new_subnet(); subnet_t *s = new_subnet();
if (!str2net(s, DEFAULT_BROADCAST_SUBNETS[i])) if (!str2net(s, DEFAULT_BROADCAST_SUBNETS[i]))