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

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