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.