diff options
Diffstat (limited to 'ctdb/doc/ctdbd.conf.5.xml')
| -rw-r--r-- | ctdb/doc/ctdbd.conf.5.xml | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/ctdb/doc/ctdbd.conf.5.xml b/ctdb/doc/ctdbd.conf.5.xml index 6d164f6cfc..ff064cfffd 100644 --- a/ctdb/doc/ctdbd.conf.5.xml +++ b/ctdb/doc/ctdbd.conf.5.xml @@ -545,6 +545,31 @@ </listitem> </varlistentry> + <varlistentry> + <term>CTDB_NATGW_STATIC_ROUTES=<parameter>IPADDR/MASK</parameter> ...</term> + <listitem> + <para> + Each IPADDR/MASK identifies a network or host to which + NATGW should create a fallback route, instead of + creating a single default route. This can be used when + there is already a default route, via an interface that + can not reach required infrastructure, that overrides + the NAT gateway default route. + </para> + <para> + This should be used with care to avoid causing traffic + to unnecessarily double-hop through the NAT gateway + master, even when a node is hosting public IP addresses. + Each specified network or host should probably have a + corresponding automatically created link route or static + route to avoid this. + </para> + <para> + No default. + </para> + </listitem> + </varlistentry> + </variablelist> <refsect3> @@ -556,6 +581,23 @@ CTDB_NATGW_DEFAULT_GATEWAY=10.0.0.1 CTDB_NATGW_PUBLIC_IP=10.0.0.227/24 CTDB_NATGW_PUBLIC_IFACE=eth0 </screen> + + <para> + A variation that ensures that infrastructure (ADS, DNS, ...) + directly attached to the public network (10.0.0.0/24) is + always reachable would look like this: + </para> + <screen> +CTDB_NATGW_NODES=/etc/ctdb/natgw_nodes +CTDB_NATGW_PRIVATE_NETWORK=192.168.1.0/24 +CTDB_NATGW_PUBLIC_IP=10.0.0.227/24 +CTDB_NATGW_PUBLIC_IFACE=eth0 +CTDB_NATGW_STATIC_ROUTES=10.0.0.0/24 + </screen> + <para> + Note that <varname>CTDB_NATGW_DEFAULT_GATEWAY</varname> is + not specified. + </para> </refsect3> </refsect2> |