simplelocalnet: how to use on master with several interfaces?

Description

(I'm sorry for this being not exactly Haskell)

I wan to run C.H. on a cluster where the main node has several network interfaces:

```
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.6.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
192.168.5.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
141.X.X.0 0.0.0.0 255.255.252.0 U 0 0 0 eth2
0.0.0.0 141.X.X.X 0.0.0.0 UG 0 0 0 eth2
```
client nodes have two interfaces in the local network (192.168.5/6.X) only

I can run C.H. processes on several of the client nodes, but I don't seem to be able to use the main node. Are the broadcasts going to the wrong places?

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Tim Watson
January 7, 2014, 12:12 PM

- ping. Did you get this resolved in the end? I'm going to close the issue as works-for-me unless there's an ongoing problem here.

Thanks.

Tim Watson
January 4, 2013, 3:58 PM

Comment:hyperthunk:01/04/13 03:58:02 PM:

Did you have any joy with this @jwaldmann?

jwaldmann
January 4, 2013, 3:58 PM

Comment:jwaldmann:01/04/13 03:58:02 PM:

mentioned

Tim Watson
December 28, 2012, 2:26 AM

Comment:hyperthunk:12/28/12 02:26:59 AM:

So I don't see a multicast range IP address in the routing table there. You need to add the route so that all the servers know about the group, something like `route -nv add -net 228.0.0.4 -interface eth0` or whatever your flavour of *nix requires. I'd suggest using something like emcast or mnc to test that the machines are happily communicating in the first instance. Or just `ip igmp join-group <ip-addr>` and ping from another location or whatever.

jwaldmann
December 27, 2012, 7:27 PM

Comment:jwaldmann:12/27/12 07:27:36 PM:

```
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.6.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
192.168.5.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
141.X.X.0 0.0.0.0 255.255.252.0 U 0 0 0 eth2
0.0.0.0 141.X.X.X 0.0.0.0 UG 0 0 0 eth2
```

Assignee

Tim Watson

Reporter

jwaldmann

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