Hi Pawel,quite late and not really a solution - more a kind of workaround which worked suitable during our DC network migration a few weeks ago:We've restricted the connection between old (PVRSTP+) and new (FP) network to one 10GE link. On N5k side w...

Hi all,I would just like to confirm that the problem wasn't seen after chaning the mentinoend parameters in putty.As far as I understand this leads to stop of key exchange in each SSH session. I'm not sure how much security would be degraded by this....

Hi Hugo, hi all,this was really the hint I was looking for. Great! With a first quick test the problem wasn't seen anymore.I'll do a few more tests within the next days and report back.Best regardsThomas

Hello Arturo,unfortunately I have no solution, but at least I can confirm it.We are also using Putty 0.60 and are facing the problem only with new C29xx routers with IOS 15.0Any help is higly appreciated as this behaviour is really annoying.Best Rega...