Hi, > On Sep 21, 2016, at 7:11 AM, Lijalem Fetene <lijalem.mhr at gmail.com> wrote: > > Dears, > I want to login to hundreds of routers simultaneously in either telnet > /ssh and execute some command to each device and return the output. Is > there anyone to help me please ? > > Rancid/clogin or trigger come to mind.