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Fix the ttl defaults and range

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1) both IPv4 and IPv6 mcast should default to ttl=1
2) the range should be 0..255
   0 is valid meaning localhost only (cluster of one)

Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
Reviewed-by: Fabio M. Di Nitto <fdinitto@redhat.com>
This commit is contained in:
Angus Salkeld 2011-03-15 09:44:05 +11:00
parent 9909a20859
commit 86ada30aa4
2 changed files with 4 additions and 8 deletions
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10
exec/totemconfig.c
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@ -394,11 +394,7 @@ printf ("couldn't find totem handle\n");
/*
* Get the TTL
*/
if (totem_config->interfaces[ringnumber].mcast_addr.family == AF_INET6) {
totem_config->interfaces[ringnumber].ttl = 255;
} else {
totem_config->interfaces[ringnumber].ttl = 1;
}
totem_config->interfaces[ringnumber].ttl = 1;
if (!objdb_get_string (objdb, object_interface_handle, "ttl", &str)) {
totem_config->interfaces[ringnumber].ttl = atoi (str);
}
@ -477,8 +473,8 @@ int totem_config_validate (
goto parse_error;
}
if (totem_config->interfaces[i].ttl > 255 || totem_config->interfaces[i].ttl < 1) {
error_reason = "Invalid TTL (should be 1..255)";
if (totem_config->interfaces[i].ttl > 255 || totem_config->interfaces[i].ttl < 0) {
error_reason = "Invalid TTL (should be 0..255)";
goto parse_error;
}

2
man/corosync.conf.5
View File

@ -131,7 +131,7 @@ please configure the mcastports with a gap.
ttl
This specifies the Time To Live (TTL). If you run your cluster on a routed
network then the default of "1" will be too small. This option provides
a way to increase this up to 255.
a way to increase this up to 255. The valid range is 0..255.
.TP
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