Have you logged in on the console and looked at ifconfig? What does it say? Can you ping out of the linux image to other systems? -- Robert P. Nix | Sr IT Systems Engineer | Data Center Infrastructure Services 507-284-0844 | [email protected] <applewebdata://7C28AA03-E9D7-4519-A679-80B7EC6A010B/[email protected]> Mayo Clinic| 200 First Street SW | Rochester, MN 55905 Mayo Clinic, a mission-driven worldwide leader in health care for 150 years. http://150years.mayoclinic.org/
On 10/30/14, 9:26 AM, "Chase, John" <[email protected]> wrote: >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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