Hi Jerico,

Thank you for your report!

Adding "eth_src=src" in the match looks good to me, but please confirm your 
situation.

You mean this issue will occur, when we do the following?
- Connect to the first switch and learn the connected hosts
- Connect to the second switch and try to learn the new hosts
---> the second switch cannot learn the connected hosts which the first switch 
already know

I asked this question because I couldn't reproduce your situation on my 
environment (Mininet).

Thanks,
Iwase


On 2017年11月24日 00:19, Jerico Moeyersons wrote:
Hello everyone,

I'm kinda new to bug reporting, so I found this e-mail address. If I need to do it elsewhere, please notify me of that!

The reason why I mail you is because I found a 'bug' (or maybe it is the purpose of the example) in the example switch. Here, a flow is added with as match the destination and the in_port. But when you combine two switches (I use the small Zodiac FX switch), this will have the issue that when you want to add a second flow to something on the second switch, no new flow is added (because the destination is know, ...).

So my suggestion: add the eth_src=src in the match entry before adding the flow (this solved the issue for me).

Can you please provide feedback?

Thanks in advance!

Kind regards,

Jerico Moeyersons


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