On 11/2/19 4:08 PM, Francesco Ruggeri wrote: >>>> I apologize in advance for being slow ... >>>> I have 3 namespaces that have to share the same LAN, I am not trying >>>> 1-1 connections among those namespaces. >>>> >>> >>> How would you cable this if it were an actual network with physical nodes? >>> - bridge on R1 (since it is the gw for H1), with connections to R2 and >>> H1 into the bridge >>> - second connection between R1 and R2 >>> - connection between R2 and H2 >>> >>> For the simulation, network namespaces represent physical nodes, veth >>> pairs act like a cable between the nodes / namespaces and the bridge >>> makes the LAN. > > Thanks, I see what you mean now. > I was assuming a different physical model, with all the namespaces on the LAN > connected to a hub (simulated by the dummy device). For simulation purposes this > model seem simpler: there are N interfaces instead of N pairs, and one does not > have to deal with the bridge end of the pairs. > Why is the model you described preferable? > The tests are about traceroute in modern networks, not broadcast domains. As such, it is preferable for these tests to be constructed similar to other extisting networking tests.
