On Thu, Apr 15, 2010 at 5:37 PM, Jake Bogie <jbo...@suresource.com> wrote:
> Hey All,
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>
>
> I’m trying to learn some more about Clusters for some research I’m doing.
> First thing I need to say is this project is absolutely AWESOME!!!
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>
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> I’ve installed and enabled the Pacemaker system and I have it running.
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>
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> The issue I am dealing with is that whenever IPTABLES is enabled the cluster
> nodes cannot see one another. If I flush all of the rules from IPTABLES the
> nodes talk to one another perfectly fine.
>
>
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> I have two ring interfaces:
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>
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> interface {
>
> ringnumber: 0
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>
>
> bindnetaddr:172.16.103.0
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> mcastaddr:224.1.0.1
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> mcastport:4000
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> }
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> interface {
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> ringnumber: 1
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>
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> bindnetaddr:172.16.104.0
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> mcastaddr:224.2.0.1
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> mcastport:4000
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> }
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>
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> And I added the following rules to IPTABLES:
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> -A RH-Firewall-1-INPUT -p udp -d 224.1.0.1 -j ACCEPT
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> -A RH-Firewall-1-INPUT -p udp -d 224.2.0.1 -j ACCEPT
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> #-A RH-Firewall-1-INPUT -p udp --dport 4000 -d 224.1.0.1 -j ACCEPT
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> #-A RH-Firewall-1-INPUT -p udp --dport 4000 -d 224.2.0.1 -j ACCEPT
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> The two commented out rules didn’t work so I tried the two above.
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> What am I missing here?
IIRC, you need 4000 _and_ 4001.
No, its not at all obvious that this is required :-)
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