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Communications Server

Showing 419

Support EZANS as part of z/OS Communications Server

The EZANS Netstat dialogue is a vital tool for suporting z/OS Communications Server TCPIP. It is not supoorted and is frozen as a level of z/OS 1.12.IBM should formally support EZANS as part of z/OS Communications Server:1. to accept PMRs for faul...
over 9 years ago in z/OS / Communications Server 2 Not under consideration

TCP/IP leaves the group EZBTCPCS with the message *EZZ9676E and It is not able to rejoin it again.

After a lack of ECSA in a member of a 4-way sysplex, TCP/IP leaves it with the message *EZZ9676E and It is not able to rejoin the XCF group again.Even when we have GLOBALCONFIG SYSPLEXMONITOR AUTOREJOIN options active and the problem that caused t...
over 9 years ago in z/OS / Communications Server 13 Not under consideration

Add DTLS Support for Enterprise Extender

We would like to see if DTLS could be added in Enterprise Extender so we could use SSL with UDP.
over 9 years ago in z/OS / Communications Server 3 Not under consideration

Add Support for Performance and Diagnostics Metrics (PDM) Header in z/OS

The Performance and Diagnostics Metrics (PDM) IPv6 Destination Options (DO) Header is defined in : http://datatracker.ietf.org/doc/draft-ietf-ippm-6man-pdm-option/ (This draft has been adopted by the IP Performance Metrics (IPPM) Working Group of ...
over 8 years ago in z/OS / Communications Server 2 Not under consideration

DupAck - Input and Output Out-of-order packets

It was noticed an abnormal ammount of "Dup acks" in TCP connections. Since the two end points of those connections are inside a datacenter (no external links) it usually means there are lost packets.Some traces (SYSTCPDA and SYSTCPOT) were capture...
over 4 years ago in z/OS / Communications Server 1 Not under consideration

zERT plugin to use Certificate for Authentication

As you know to connect to Db2 for zERT plugin we had to provide the ID / PASSWORD in clear text inside z/OSMF to get it connected initially but as we move along the solution to production environment (UTPLEX ) providing a password for a batchid is...
almost 3 years ago in z/OS / Communications Server 1 Not under consideration

ATTLS, like IPSEC, should offload encryption to ziip engines

IPSEC has offloaded the encryption processing to ziip processors, and ATTLS should do the same.
over 7 years ago in z/OS / Communications Server 2 Not under consideration

Debug EZZ8309I. Command to display DVIPA counters ---> List address spaces and their current allocation of DVIPA resources.

To support the "EZZ8309I Too many VIPAS" message a command is required to display the DVIPA statistical counters as well as to list address spaces and their current consumption of DVIPA resources. This would be a useful problem determination aid a...
almost 8 years ago in z/OS / Communications Server 1 Not under consideration

Sysplex Distributor decisions monitoring

We consider to implement new settings of sysplex distributor for WAS and DDF workloads. According to manuals, in DISTRIBUTED mode it cooperates with WLM, which assigns weights to each DVIPA network address separately. https://www.ibm.com/support/k...
over 5 years ago in z/OS / Communications Server 2 Not under consideration

FTP server: use of UID(0)

The z/OS Communications server documentation states FTP Server has security requirements specified as needing UID(0). However, I have found (running on a zPDT) that the FTP server runs sucessfully without UID(0).I have observed other sites running...
over 2 years ago in z/OS / Communications Server 1 Not under consideration

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