[Linux-cluster] IP Source NAT
Bernd Broermann
bernd at broermann.com
Thu Aug 19 09:25:35 UTC 2010
Hello Senol,
Hello all,
I my special case I want to setup a 2 Node Active/Passiv failover Cluster
with nagios ( nrpe/snmp ) as a service.
ClusterNode1IP -
-> vIP ----------- Clients (connects only allowed from vIP)
ClusterNode2IP -
The nrpe and snmp Agents only allow connects from the virtual IP of the
Cluster.
An iptables nat rule should do that for these ports.
But is there a best practice ?
Thank you
Hi Bernd,
your comments too much close but;
- if u are build two node fail-over (as Acrive-Passive) you can give to
vIP to active node starting,
- if u are using two or more server at the moment (for Load Balancing)
then your keywords "ipvsadm" and "Direct Routing".
2010/8/18 Bernd Broermann <bernd broermann com>
Hello,
How can I define a resource to make all outgoing network packets appear
to be the virtual IPaddress ?
I mean something like the "ipsrcaddr" resource in OCF:heartbeat.
Thanks for answers,
bernd
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