On 11 Sep, Jason Dillon wrote:
>> Not in my head. It is from memmory when I was doin reading in on
>> JavaSpaces and from a session on Oreilly Enterprise Conference.
>>
>> If I remember wrong I will happilly stand corrected. I just asumesdthat
>> since JINI was discussed as a viable clustering infrastructure for JBoss
>> that someone had god knowledge of these types of configuration issues.
>
> The only thing that I can think of which would cause config problems would
> be if multicast was not supported out of the box, which I think RedHat does.
> If it doesn't then JavaGroups won't work either, since it is based on
> multicast too.
>
> You might have to have a route for 224.0.0.0, like:
>
> route add -net 224.0.0.0 netmask 240.0.0.0 dev lo
>
> My RH 7.1 box set up it's eth0 with MULTICAST:
>
> eth0 Link encap:Ethernet HWaddr 00:60:97:C1:13:B5
> inet addr:10.57.0.10 Bcast:10.57.0.255 Mask:255.255.255.0
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:360104 errors:0 dropped:0 overruns:0 frame:0
> TX packets:367529 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:100
> Interrupt:9 Base address:0x1040
>
> but lo did not. I thought that RH put in the 224.0.0.0 routes too, but I
> could be confusing that with solaris.
Seems to be the same for one of our vanilla installs:
eth0 Link encap:Ethernet HWaddr 00:D0:B7:B7:08:7D
inet addr:151.177.109.140 Bcast:151.177.109.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:107223282 errors:0 dropped:0 overruns:0 frame:0
TX packets:324485628 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
Interrupt:18 Base address:0x4000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:3924 Metric:1
RX packets:1402934 errors:0 dropped:0 overruns:0 frame:0
TX packets:1402934 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
To get broadcast up an working you mean I would have to ad:
route add -net 224.0.0.0 netmask 240.0.0.0 dev lo
Otherwise multicast/broadcast won't work, and that there is no
difference in that regars between using JavaGroup and JINI?
If that the case, it's not much to do about complaining I guess. But my
personal belife is that it is a pitty if clustering in JBoss will not
work with a vanilla RedHat install.
But, if that is what will comme, I guess I will have to live with it...
//Peter
>
> --jason
>
>
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