nmap is a great tool but the hosts need to be reachable before they can be scanned... seems like some verification is in order - correct gateway being used - correct subnet mask being used?
Scott Rohling On Wed, Dec 28, 2016 at 7:38 AM, Paul Flint <[email protected]> wrote: > Greetings Kumar, > > The best tool I know for your particular situation is "nmap". > > Install this on both a linux workstation trying to access the new subnet > as well as on the zLinux instance that is attached to the new subnet. > > This program, "nmap" serves two purposes: > 1. It allows you to see what ports are open between the two systems and.. > 2. It really torques off the "security experts" who have locked your new > subnet down so you cannot do your job effectively. > > I believe that the use of "nmap" will, one way or another help solve the > problem. > > Anyway, > > Happy New Year and... > > Kindest Regards, > > Paul Flint > Director, BOSI > > On Wed, 28 Dec 2016, Kumar wrote: > > Date: Wed, 28 Dec 2016 20:39:35 +0530 >> From: Kumar <[email protected]> >> Reply-To: Linux on 390 Port <[email protected]> >> To: [email protected] >> Subject: new subnet for cloned zlinux guest >> >> Hi, >> >> We have been successfully able to clone Suse gold images to guests but off >> late we ran out of IPs from a particular subnet. >> >> So Network team assigned new set of subnet, have assigned the new IP to a >> new zlinux Suse 12 guest and also new default gateway using eth0 down and >> up commands but still we cannot SSH to it. >> >> Previously we just had to update the IP assigned and default gateway using >> the eth0 down and up commands we were able to ssh to it. >> >> Please advise >> >> Regards, >> Kumar >> >> ---------------------------------------------------------------------- >> For LINUX-390 subscribe / signoff / archive access instructions, >> send email to [email protected] with the message: INFO LINUX-390 or >> visit >> http://www.marist.edu/htbin/wlvindex?LINUX-390 >> ---------------------------------------------------------------------- >> For more information on Linux on System z, visit >> http://wiki.linuxvm.org/ >> >> > Kindest Regards, > > > > ☮ Paul Flint > (802) 479-2360 Home > (802) 595-9365 Cell > > /************************************ > Based upon email reliability concerns, > please send an acknowledgement in response to this note. > > Paul Flint > 17 Averill Street > Barre, VT > 05641 > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
