Peter, what release of zOS are you on? ---SB
> -----Original Message----- > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > Behalf Of Peter E. Abresch Jr. - at Pepco > Sent: Friday, March 26, 2004 5:47 AM > To: [EMAIL PROTECTED] > Subject: Re: CTC between linux & zOS. > > > I am using CTCs between my Linux LPAR and two z/OS V1.2 > LPARs. Using might not be the right word. These CTCs work > great, and then they stop with no indication of any errors. I > can no longer ping the Linux LPAR from the z/OS LPARs. I can > still ping the z/OS LPARs from the Linux LPAR. The CTCs use > static routes. It is driving me crazy! I am leaning on the > z/OS side but if you find anything out, please post back > here. If someone else has experienced this before, please let > me know. Thanks. > > Peter > > > > > > Steve Bui <[EMAIL PROTECTED]> > Sent by: Linux on 390 Port <[EMAIL PROTECTED]> > 03/26/2004 12:56 AM > Please respond to Linux on 390 Port > > > To: [EMAIL PROTECTED] > cc: > Subject: Re: CTC between linux & zOS. > > > I'll work with the IBM support center on resolving it. Thanks Mark. > > ---SB > > > > -----Original Message----- > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > Behalf Of > > Post, Mark K > > Sent: Thursday, March 25, 2004 9:43 PM > > To: [EMAIL PROTECTED] > > Subject: Re: CTC between linux & zOS. > > > > > > Steve, > > > > I'm kind of at a loss here. I don't really know what to > suggest next. > > > > Is there some reason you want to use a CTC connection, > specifically? > > It might be a whole lot easier to give the Linux system a > connection > > to an OSA card, or CLAW device, or a real HiperSocket to > talk between > > the two systems. > > > > > > Mark Post > > > > -----Original Message----- > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] > > Behalf Of Steve Bui > > Sent: Wednesday, March 24, 2004 11:47 AM > > To: [EMAIL PROTECTED] > > Subject: Re: CTC between linux & zOS. > > > > > > No go on mtu of 32760. > > > > ---SB > > > > > > > > -----Original Message----- > > > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > Behalf Of > > Post, Mark K > > > > Sent: Tuesday, March 23, 2004 10:11 PM > > > > To: [EMAIL PROTECTED] > > > > Subject: Re: CTC between linux & zOS. > > > > > > > > Well, then try changing the Linux parameters to 32760. You > could just > > try > > > > doing it via an ifconfig command first, to see if that makes any > > difference > > > > or not. > > > > > > > > Mark Post > > > > -----Original Message----- > > > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of > > > > Steve Bui > > > > Sent: Tuesday, March 23, 2004 11:48 PM > > > > To: [EMAIL PROTECTED] > > > > Subject: Re: CTC between linux & zOS. > > > > > > > > Both places (TCPIP profile on zOS and ifcfg-ctc0 on linux) already > > have mtu > > > > of 1500 hardcoded. > > > > ---SB > > > > > > > > > -----Original Message----- > > > > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > > > > > Behalf Of Post, Mark K > > > > > Sent: Tuesday, March 23, 2004 9:23 PM > > > > > To: [EMAIL PROTECTED] > > > > > Subject: Re: CTC between linux & zOS. > > > > > > > > > > > > > > > I would expect that to be the only two places needed. Are > > > > > you asking because one (or both) of them isn't reflecting > > the change? > > > > > > > > > > Mark Post > > > > > > > > > > -----Original Message----- > > > > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] > > > > > Behalf Of [EMAIL PROTECTED] > > > > > Sent: Tuesday, March 23, 2004 9:21 PM > > > > > To: [EMAIL PROTECTED] > > > > > Subject: Re: CTC between linux & zOS. > > > > > > > > > > > > > > > I set both mtu to 1500 in zOS TCPIP and in ifcfg-ctc0. > > > > > Where else do you set it? > > > > > ---SB > > > > > > > > > > > > > > > > -----Original Message----- > > > > > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > > > > > Behalf Of > > > > > > Post, Mark K > > > > > > Sent: Tuesday, March 23, 2004 5:49 PM > > > > > > To: [EMAIL PROTECTED] > > > > > > Subject: Re: CTC between linux & zOS. > > > > > > > > > > > > > > > > > > Steve, > > > > > > > > > > > > This caught my eye: > > > > > > ActMtu: 32760 > > > > > > > > > > > > The ifconfig output from your first note showed this: > > > > > > UP POINTOPOINT RUNNING NOARP MTU:1500 Metric:1 > > > > > > > > > > > > The two values need to match. > > > > > > > > > > > > > > > > > > Mark Post > > > > > > > > > > > > -----Original Message----- > > > > > > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On > > > > > Behalf Of > > > > > > Steve Bui > > > > > > Sent: Tuesday, March 23, 2004 10:22 AM > > > > > > To: [EMAIL PROTECTED] > > > > > > Subject: Re: CTC between linux & zOS. > > > > > > > > > > > > > > > > > > I tried both 0 or 1 with no success. > > > > > > Netstat dev on zOS shows: > > > > > > DevName: CTC3X7 DevType: CTC DevNum: 0B72 > > > > > > DevStatus: Ready > > > > > > LnkName: CTC37 LnkType: CTC LnkStatus: Ready > > > > > > > > > > > > NetNum: 1 QueSize: 0 > > > > > > BytesIn: 0 BytesOut: 0 > > > > > > ActMtu: 32760 > > > > > > BSD Routing Parameters: > > > > > > MTU Size: 00000 Metric: 00 > > > > > > DestAddr: 10.0.3.2 SubnetMask: 255.255.255.0 > > > > > > Multicast Specific: > > > > > > Multicast Capability: Yes > > > > > > Group RefCnt > > > > > > ----- ------ > > > > > > 224.0.0.1 0000000001 > > > > > > ------------------------- > > > > > > ---SB > > > > > > > > > > > > On Monday, 03/22/2004 at 10:18 EST, "Post, Mark K" > > > > > <[EMAIL PROTECTED]> > > > > > > wrote: > > > > > > > Correct me if I'm wrong (I haven't played with MVS TCPIP > > > > > definitions > > > > > > much), > > > > > > > but in this statement: > > > > > > > LINK CTC37 CTC 1 CTC3X7 > > > > > > > doesn't the "1" say to swap the read channel with the write > > > > > > channel? > > > > > > > If > > > > > > so, > > > > > > > I would think that is your problem, since the entry in > > > > > chandev.conf > > > > > > > ctc0,0x0d33,0x0d32,0,3 says to do exactly the same thing. > > > > > The fact > > > > > > > that the ifconfig output > > > > > > you > > > > > > > show lists 5 errors, all of them "carrier" errors would > > > > > seem to bear > > > > > > this > > > > > > > out. > > > > > > Also use NETSTAT DEV (onetstat?) on the z/OS side to find > > > > > out what the > > > > > > status of the CTC. Alan Altmark Sr. Software Engineer IBM z/VM > > > > > > Development > > > > > ---------------------------------------------------------------------- > > 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 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 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 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 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
