IBM Z Hardware and Operating Systems Ideas Portal


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z/OS

Showing 2952

TCPIP ECSA storage growth caused by intermittent XCF lock contention

"TCPIP ECSA storage growth caused by intermittent XCF lock contention. The XCF lock is typically requested shared. However, every 10 seconds, the lock is obtained exclusive because there are DVIPAs in MOVING status. The "MOVING" status is as a res...
over 12 years ago in z/OS / Communications Server 1 Not under consideration

Allow Omproute to configure device MTU

Omproute is configured with the MTU to use on a OSPF_Interface. Omproute expects a packet bigger than the MTU to be fragmented. However, the actual MTU used when the packet is sent is the MTU the TCPIP stack learned for the device. The packets are...
over 12 years ago in z/OS / Communications Server 2 Not under consideration

Vipadistribute "WLMSTANDBY"

As the options for VIPADISTRIBUTE DISTMETHOD have evolved over time, we have a new scenario that I'm not sure the current options can handle. In a case where we might have a m LPARs at one site and n LPARs at a second site, with our sysplex spanne...
over 12 years ago in z/OS / Communications Server 1 Not under consideration

Allow CSSMTP to set permission bits for its folders

Allow the permission bits to be set on the folders CSSMTP uses and allow these to be set via the CSSMTP configuration member.
over 12 years ago in z/OS / Communications Server 1 Not under consideration

Additional cleanup for VARY TCPIP,,SYSPLEX

When configured for SYSPLEXMONITOR a system may receive a "EZZ9675E SYSPLEX PROBLEM DETECTION CLEANUP HAS FAILED FOR TCPIP" message, setting several flags (XFCVT_PDCFAIL_Event/XFPD_Partial_cleanup) which essentially marks TCPIP as a non-member of ...
over 12 years ago in z/OS / Communications Server 2 Not under consideration

Provide some figures on OSA interface usage / utilization

Provide some OSA interface / port statistics about bandwidth usage and utilization which can be queried by NETSTAT command e.g. D TCPIP,,OSAINFO,INTFNAME=LNKGE00 The figures should display values for - highest peak (bandwidth usage since last acti...
over 12 years ago in z/OS / Communications Server 2 Not under consideration

Enable the z/OS FTP Client program to recognize and make use of multiple IP addresses in the answer from a DNS name query

z/OS FTP Client program should have a configuration parameter in FTP.DATA to enable the program to recognize and make use of multiple IP addresses present in the answer from a DNS name query. Currently, the FTP Client uses only the first IP addres...
over 12 years ago in z/OS / Communications Server 2 Not under consideration

IPSEC -y output does not include the ID generation number for ParentIKETunnelID that is associated with the TunnelID

Because IKE / ISAKMP SAs can refresh and expire while Protocol SAs (Phase2 SAs) are associated with them, there can be confusion was to what ParentIKETunnelID are being used. So I would like to see that not only the ParentIKETunnelID be included i...
over 12 years ago in z/OS / Communications Server 1 Not under consideration

Update the D STOR,,TCPIP command to reflect CTRACE Bufsize for CTRACES SYSTCPIP and SYSTCPDA, etc.

The output of command D TCPIP,,STOR, at v1r13, displays the CTRACE size only. It does not reflect the amount of storage currently in use for each of the CTRACE options. This information is misleading as the current, maximum and limit never change....
over 12 years ago in z/OS / Communications Server 2 Not under consideration

VIT CIA (ODPK,PKI/PKO/MPDU) trace converter

VTAM Internal Trace Option CIA traces the DLC Layer of a z/OS LPAR. As such the first couple of bytes of all inbound and outbound IP packets are traced in PKI/PKO, ODPK or MPDU trace entries. The trace formatter shipping with VTAM (ISTRAFT1 or IPC...
over 12 years ago in z/OS / Communications Server 2 Not under consideration

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