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Hello,
I am working on Network-Simulation (VNUML). Our
simulator uses linux bridging to connect the UMLs.
So there is one problem:
The example is the following: There are two hosts
simulating one big net.
The two hosts have connection over the external
nets Net3 and Net6 (see http://www.uni-koblenz.de/~timbub/verteilteSim3.GIF),
but in fact there is only one physical connection between the host: connected
through a switch an each host has one interface card eth0. (so normaly you
should bind the ip adresses related Net3 and to Net6 to the eth0 and it already
is part of the two nets - even if there is one phsical connection)
So my virtual nets are implemented by linux
bridges. But if I now connect the physical interface eth0 to the bridge Net3 and
then to Net6 the following error occurs:
"device eth0 is already a member of a
bridge; can't enslave it to bridge Net6"
Is this a bug or a feature? Why is it not allowed to bind an Interface to
two different bridges?
Is there a workaround for this issue?
Problem:
UML1 ---- bridge1 \
eth0
UML2 ---- bridge2 /
Workaround?:
UML1 ---- bridge1 \
bridge3 ---- eth0
UML2 ---- bridge2 /
UML1 \
bridge1
---- eth0
UML2 /
Thanks for your help
Tim Keupen
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