Re: Wrong route reserved

Björn Keil <[email protected]> Thu, 15 Nov 2007 21:29:24 +0100
Newsgroups gmane.comp.apache.mod-wackamole.general
Message-ID <[email protected]>
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Theo Schlossnagle schrieb:
>
>
> You have 192.168..x.y in your verbiage, but 10.0.78.y in your config.=20
> The inconsistency is a bit confusing -- if you want to change the IPs,
> make sure to change them consistently everywhere.
Sorry about that. I noticed by the time I hit the enter key to send it,
as you always do with such things.
Meant is that additionally to the correct direct route 10.0.78.224/27
the faulty route 10.0.78.0/24 is added to the routing tables.
>
> If you have, then:
>
> Note that you must have a non-wackamole managed IP address on on each
> subnet you intend to have wackamole managed IPs on.  This "management"
> IP will maintain the network interface in the kernel including the
> routing table.
hmmm.... Well, if there is a way to configure a "default" IP address in
wackamole I must have missed it. However the base addresses that Spread
use do lie in that network. 10.0.78.232, 10.0.78.226 and 10.0.78.248.
That's the IP addresses their own hostnames resolve to - by DNS or by
the /etc/hosts file. All are checked and without flaw. Spread is started
with "-n <hostname>" in all cases and that <hostname> is indeed the
hostname the host is known by itsself and all other related systems.

>
> Wackamole has no routing code in it whatsoever, so the only reason the
> routing on the box would change is if you don't have a management IP
> on the wackamole-managed subnets.  This would cause wackamole to drop
> all IPs at startup and them bring them back up -- loosing the route
> information (which is why a management IP is required).
Well, that sounds like what happens here. However, the computers' "own"
IP addresses do lay in the network 10.0.78.224/27. Could it have
something to do with the way spread and wackamole work together? The
spread configuration is hardly touched, it just starts with a
"Spread_Segment 10.0.78.255:4803" clause including he host names and
their IP addresses. Maybe Spread misinterprets the 10.0.78.255 so that
it is indeed in a class C network, even though it only meant to be the
network's broadcast address. And in result wackamole causes all IP
addresses to drop.


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