Yes, and yes. > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Le > Blanc, Frank > Sent: Thursday, October 30, 2014 9:55 AM > To: [email protected] > Subject: Re: Linux guests on DR machine not reachable > > Using virtual switches? Same device addresses? > > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Chase, > John > Sent: Thursday, October 30, 2014 10:27 AM > To: [email protected] > Subject: Re: Linux guests on DR machine not reachable > > No. > > -jc- > > > -----Original Message----- > > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of > > Ambros, Thomas > > Sent: Thursday, October 30, 2014 9:11 AM > > To: [email protected] > > Subject: Re: Linux guests on DR machine not reachable > > > > Are you running mproute? > > > > Thomas Ambros > > zEnterprise Operating Systems > > zEnterprise Systems Management > > 518-436-6433 > > > > -----Original Message----- > > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of > > Chase, John > > Sent: Thursday, October 30, 2014 10:01 > > To: [email protected] > > Subject: Linux guests on DR machine not reachable > > > > Cross-posted to IBMVM and LINUX390 lists > > > > Greetings. > > > > We're bringing up z/VM and Linux guests for the first time at a D/R > > exercise. Since we have our own CBU "warm site", we create an > > isolated network to be used for the D/R exercise. The primary internal > > network is prefixed 10.1 and > the isolated D/R network is prefixed 10.2. > > > > After z/VM (6.2, non-SSI) IPLs, we logon TCPMAINT and edit PROFILE > > TCPIP to change the HOME and DEFAULTNET IP addresses from 10.1.xxx.yyy > > to 10.2.xxx.yyy, then shut down and restart TCPIP. z/VM is now > > reachable from non-mainframe devices plugged into the isolated network > > (e.g., Ping from a laptop > works fine; 3270 emulator sessions establish via non-ICC ports). > > > > Next we login to a Linux (RHEL 6.3 and 6.5) guest (3270 console), > > where we had pre-configured a "clone" of the ifcfg-eth0 file to > > specify 10.2 (instead of 10.1) in all the appropriate places. We > > rename ("mv") the "prod" and "D/R" copies so that ifcfg-eth0 now > > specifies 10.2 instead of 10.1 in all the right places. We stop and > > restart network services, but Linux is not ping-able from outside. OK > > let's reboot Linux. No change; still can't ping Linux from outside > > the mainframe but within the isolated network. OK, we'll just bounce the > > whole virtual machine > (SIGNAL SHUTDOWN followed by XAUTOLOG from OPERATOR). That didn't work, > either. We didn't notice any > network-related error message as Linux came up again. > > > > Not much to go on, but can anybody think of what we might have missed in > > reconfiguring Linux to > "play" > > in the isolated (10.2) network? > > > > TIA, > > > > -jc- > > > > ********************************************************************** > > Information contained in this e-mail message and in any attachments > > thereto is confidential. 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********************************************************************** Information contained in this e-mail message and in any attachments thereto is confidential. If you are not the intended recipient, please destroy this message, delete any copies held on your systems, notify the sender immediately, and refrain from using or disclosing all or any part of its content to any other person. ---------------------------------------------------------------------- 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/
