Document ID: 12317
Contents
Introduction
Before You Begin
Conventions
Prerequisites
Components Used
Design Notes
Configure
Network Diagram
Configurations
Verify
Troubleshoot
Related Information
Introduction
This document provides a sample configuration for configuring host redundancy using TN3270 session switching via Dependent LU Requester/Dependent LU Server (DLUR/DLUS)
Before You Begin
Conventions
For more information on document conventions, see the Cisco Technical Tips Conventions.
Prerequisites
There are no specific prerequisites for this document.
Components Used
This document is not restricted to specific software and hardware versions.
The information presented in this document was created from devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If you are working in a live network, ensure that you understand the potential impact of any command before using it.
Design Notes
-
This sample configuration includes three mainframes:
-
one running Multiple Virtual Storage (MVS) and configured as an Advanced Peer-to-Peer Networking (APPN) end node
-
one running Virtual Media (VM) and configured as an APPN Network Node (NN) and primary DLUS
-
one running VM and configured as an APPN NN and backup DLUS
-
-
The TN3270 server router (Channel Interface Processor B (CIPB)) is channel-attached to primary and backup DLUS via an Enterprise System Connection (ESCON) director.
-
The remote CIP router (Channel Interface Processor A (CIPA)) is channel-attached to the MVS mainframe (APPN end node).
-
There is a DLSw+ cloud between the routers.
-
There is no APPN subsystem on the routers, except the TN3270 server DLUR on CIPB. There is no TN3270 server on CIPA; CIPA can run Cisco IOS 11.0 or later.
-
Three Physical Units (PUs) are defined in the Switched Major Node (SMN): two for direct PUs and one for session switching, as shown in the table below:
Direct PUs
SNA Session Switch
CAPPU1
CAPPU2
VMPU
LUs
LUs
LUs
-
Coding Virtual Route Node (VRN) (DLSw under DLUR) allows the CIP DLUR end node to discover direct routes to MVS that bypass VM1 and VM2.
-
Both VM1 (primary DLUS) and VM2 (backup DLUS) have the same PU (VMPU) definition (as in the same IDBLK and IDNUM).
Configure
In this section, you are presented with the information to configure the features described in this document.
Note: To find additional information on the commands used in this document, use the Command Lookup Tool (registered customers only) .
Network Diagram
This document uses the network setup shown in the diagram below.
Configurations
This document uses the configurations shown below.
-
IOCP
-
VTAM XCA Major Node for MVS
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VTAM XCA Major Node for VM1
-
VTAM XCA Major Node for VM2
-
VTAM Switched Major Node (MVS Mainframe)
-
VTAM Switched Major Node (VM1 Mainframe)
-
VTAM Switched Major Node (VM2 Mainframe)
-
VTAM LUGROUP Major Node (MVS Mainframe)
-
VTAM LUGROUP Major Node (VM1 Mainframe)
-
VTAM LUGROUP Major Node (VM2 Mainframe)
-
Router Configuration for CIPA
-
Router Configuration for CIPB
-
DNS Server Resource Record
|
IOCP |
|---|
|
CHPID 19 is used to connect to CIPA to MVS * CHPID PATH=((19)),TYPE=BL CNTLUNIT CUNUMBR=0350,PATH=(19),UNITADD=((B4,4)),UNIT=3088, SHARED=N IODEVICE ADDRESS=(2B4,4),CUNUMBR=(0350),UNIT=CTC * CHPID 12 is used to connect CIPB to VM1 * CHPID PATH=((12)),TYPE=CNC CNTLUNIT CUNUMBR=0700,PATH=(12),UNITADD=((00,4)),UNIT=SCTC, SHARED=N IODEVICE ADDRESS=(700,4),CUNUMBR=(0700),UNIT=SCTC * CHPID 22 is used to connect CIPB to VM2 * CHPID PATH=((22)),TYPE=CNC CNTLUNIT CUNUMBR=0899,PATH=(22),UNITADD=((00,4)),UNIT=SCTC, SHARED=N IODEVICE ADDRESS=(700,4),CUNUMBR=(0899),UNIT=SCTC * |
|
VTAM XCA Major Node for MVS |
|---|
CIPXCAA VBUILD TYPE=XCA
CIPXCAAP PORT ADAPNO=2,CUADDR=2B4,SAPADDR=04,MEDIUM=RING,TIMER=60, X
VNNAME=DLSW, X
VNGROUP=CIPXCAAG
CIPXCAAG GROUP ANSWER=ON, X
AUTOGEN=(10,L,P), X
CALL=INOUT, X
DIAL=YES, X
ISTATUS=ACTIVE
*
*
*
|
|
VTAM XCA Major Node for VM1 |
|---|
CIPXCAB VBUILD TYPE=XCA
CIPXCABP PORT ADAPNO=0,CUADDR=700,SAPADDR=04,MEDIUM=RING,TIMER=60, X
VNNAME=DLSW, X
VNGROUP=CIPXCABG
CIPXCABG GROUP ANSWER=ON, X
AUTOGEN=(10,L,P), X
CALL=INOUT, X
DIAL=YES, X
ISTATUS=ACTIVE
*
*
*
|
|
VTAM XCA Major Node for VM2 |
|---|
CIPXCAB VBUILD TYPE=XCA
CIPXCABP PORT ADAPNO=0,CUADDR=700,SAPADDR=08,MEDIUM=RING,TIMER=60, X
VNNAME=DLSW, X
VNGROUP=CIPXCABG
CIPXCABG GROUP ANSWER=ON, X
AUTOGEN=(10,L,P), X
CALL=INOUT, X
DIAL=YES, X
ISTATUS=ACTIVE
|
|
VTAM Switched Major Node (MVS mainframe) |
|---|
SWTN3270 VBUILD TYPE=SWNET,MAXNO=15,MAXGRP=5
*
E194TRV0 PU IDBLK=05D, X
IDNUM=49974, X
DISCNT=NO, X
DLOGMOD=A3278M2, X
MAXOUT=7, X
ADDR=01, X
MAXPATH=2, X
MAXDATA=521, X
LUGROUP=TN3LUGRP, X
LUSEED=T10V0###, X
PACING=2, X
PUTYPE=2, X
VPACING=0, X
SSCPFM=USS3270, X
ISTATUS=ACTIVE, X
MODETAB=ISTINCLM, X
LOGAPPL=VTPPROD, X
USSTAB=ISTINCDT
|
|
VTAM Switched Major Node (VM1 Mainframe) |
|---|
SWTN3270 VBUILD TYPE=SWNET,MAXGRP=10,MAXNO=10,MAXDLUR=10
*
TN3270 PU ADDR=01, X
PUTYPE=2, X
ISTATUS=ACTIVE, X
CPCP=YES, X
TGN=1, X
NETID=NETA, X
CPNAME=DLUR3270
*
* Define direct PU with two specific LUs
*
CAPPU1 PU IDBLK=05D, X
IDNUM=49977, X
DISCNT=NO, X
DLOGMOD=A3278M2, X
MAXOUT=7, X
ADDR=01, X
MAXPATH=2, X
MAXDATA=521, X
LUGROUP=DDDLUVM1, X
LUSEED=T10V3###, X
PACING=2, X
PUTYPE=2, X
VPACING=0, X
SSCPFM=USS3270, X
ISTATUS=ACTIVE, X
MODETAB=ISTINCLM, X
LOGAPPL=VTPPROD, X
USSTAB=ISTINCDT
STATOPT='CISCO CIP 193'
CAP01L01 LU LOCADDR=01
CAP01L02 LU LOCADDR=02,LOGAPPL=VM
*
*Define Session Switched PU
*
VMPU PU ADDR=01, X
PUTYPE=2, X
LUGROUP=DDDLUVM1,LUSEED=VM1LU##, X
PACING=8,VPACING=8, X
IDBLK=05D, X
IDNUM=01000
|
|
VTAM Switched Major Node (VM2 Mainframe) |
|---|
SWTN3270 VBUILD TYPE=SWNET,MAXGRP=10,MAXNO=10,MAXDLUR=10
*
*Define DLUR node
*
TN3270 PU ADDR=01, X
PUTYPE=2, X
ISTATUS=ACTIVE, X
CPCP=YES, X
TGN=1, X
NETID=NETA, X
CPNAME=DLUR3270
*
* Define direct PU with two specific LUs
*
CAPPU2 PU IDBLK=05D, X
IDNUM=49978, X
DISCNT=NO, X
DLOGMOD=A3278M2, X
MAXOUT=7, X
ADDR=01, X
MAXPATH=2, X
MAXDATA=521, X
LUGROUP=DDDLUVM2, X
LUSEED=T20V3###, X
PACING=2, X
PUTYPE=2, X
VPACING=0, X
SSCPFM=USS3270, X
ISTATUS=ACTIVE, X
MODETAB=ISTINCLM, X
LOGAPPL=VTPPROD, X
USSTAB=ISTINCDT
STATOPT='CISCO CIP 194'
CAP02L01 LU LOCADDR=01
CAP02L02 LU LOCADDR=02,LOGAPPL=VM
*
* Define Session Switched PU
*
VMPU PU ADDR=01, X
PUTYPE=2, X
LUGROUP=DDDLUVM2,LUSEED=VM2LU##, X
PACING=8,VPACING=8, X
IDBLK=05D, X
IDNUM=01000
|
|
VTAM LUGROUP Major Node (MVS Mainframe) |
|---|
TN3270G VBUILD TYPE=LUGROUP
*
TN3LUGRP LUGROUP
*
327802 LU DLOGMOD=D4C32782, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327803 LU DLOGMOD=D4C32783, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327804 LU DLOGMOD=D4C32784, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327805 LU DLOGMOD=D4C32785, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327902 LU DLOGMOD=D4C32782, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327903 LU DLOGMOD=D4C32783, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327904 LU DLOGMOD=D4C32784, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327905 LU DLOGMOD=D4C32785, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327802E LU DLOGMOD=SNX32702, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327803E LU DLOGMOD=SNX32703, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327804E LU DLOGMOD=SNX32704, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327805E LU DLOGMOD=SNX32705, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327902E LU DLOGMOD=SNX32702, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327903E LU DLOGMOD=SNX32703, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327904E LU DLOGMOD=SNX32704, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
327905E LU DLOGMOD=SNX32705, X
MODETAB=ISTINCLM, X
USSTAB=USSTCPIP, X
SSCPFM=USS3270
3278S2 LU DLOGMOD=D4C32782, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3278S3 LU DLOGMOD=D4C32783, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3278S4 LU DLOGMOD=D4C32784, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3278S5 LU DLOGMOD=D4C32785, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S2 LU DLOGMOD=D4C32782, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S3 LU DLOGMOD=D4C32783, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S4 LU DLOGMOD=D4C32784, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S5 LU DLOGMOD=D4C32785, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3278S2E LU DLOGMOD=SNX32702, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3278S3E LU DLOGMOD=SNX32703, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3278S4E LU DLOGMOD=SNX32704, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3278S5E LU DLOGMOD=SNX32705, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S2E LU DLOGMOD=SNX32702, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S3E LU DLOGMOD=SNX32703, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S4E LU DLOGMOD=SNX32704, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
3279S5E LU DLOGMOD=SNX32705, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
@ LU DLOGMOD=D4C32782, X
MODETAB=ISTINCLM, X
USSTAB=USSSNA, X
SSCPFM=USSSCS
|
|
VTAM LUGROUP Major Node (VM1 Mainframe) |
|---|
DDDLUUSX VBUILD TYPE=LUGROUP
DDDLUVM1 LUGROUP
327904E LU DLOGMOD=D4C32784,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=VM
327804E LU DLOGMOD=D4C32704,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=VM
327804 LU DLOGMOD=D4C32782,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=VM
@ LU DLOGMOD=D4C32782,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=VM
|
|
VTAM LUGROUP Major Node (VM2 Mainframe) |
|---|
DDDLUUSX VBUILD TYPE=LUGROUP
DDDLUVM2 LUGROUP
327904E LU DLOGMOD=D4C32784,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=MVS
327804E LU DLOGMOD=D4C32704,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=MVS
327804 LU DLOGMOD=D4C32782,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=MVS
@ LU DLOGMOD=D4C32782,MODETAB=ISTINCLM,USSTAB=ISTINCDT, X
SSCPFM=USS3270,LOGAPPL=MVS
|
|
Router Configuration for CIPA |
|---|
version 11.0 ! hostname CIPA ! enable password cisco ! source-bridge ring-group 100 dlsw local-peer peer-id 192.71.1.20 dlsw remote-peer tcp 0 192.71.1.30 ! interface Ethernet0/0 ip address 192.71.1.20 255.255.255.0 ! interface Channel1/0 no ip address csna 0100 B4 ! interface Channel1/2 no ip address lan Tokenring 0 llc2 n1 4105 source-bridge 20 1 100 adapter 0 4000.aaaa.aaaa ! logging buffered 70000 ! end |
|
Router Configuration for CIPB |
|---|
version 11.2
!
hostname CIPB
!
enable password cisco
!
source-bridge ring-group 100
dlsw local-peer peer-id 192.71.1.30
dlsw remote-peer tcp 0 192.71.1.20
!
interface Ethernet0/0
ip address 192.71.1.30 255.255.255.0
!
interface Channel1/0
no ip address
csna C200 00
csna C300 00
!
interface Channel1/2
ip address 10.32.70.10 255.255.255.0
ip address 10.32.20.1 255.255.255.0 secondary
no keepalive
lan Tokenring 0
llc2 n1 4105
source-bridge 30 1 100
adapter 0 4000.bbbb.bbbb bound for SCA in VTAMs.
adapter 1 4000.cccc.cccc bound for TN3270 on CIP.
tn3270-server
pu CAPPU1 05D49977 10.32.20.2 token-adapt 1 1C rmac 4000.bbbb.bbbb rsap 04
pu CAPPU2 05D49978 10.32.20.3 token-adapt 1 20 rmac 4000.bbbb.bbbb rsap 08
dlur NETA.DLUR3270 NETA.VM1PRI
lsap token-adapter 0
link VM1PRI rmac 40000.bbbb.bbbb rsap 04
link VM2SEC rmac 40000.bbbb.bbbb rsap 08
vrn DLSW
pu VMPU 05D01000 10.32.70.20
dlus-backup NETA.VM2SEC
!
logging buffered 70000
|
|
DNS Server Resource Record |
|---|
* CICS.TN3270.APPN.COM 6000 IN A 10.32.70.20 CICS.TN3270.BAR1.COM 6000 IN A 10.32.20.2 CICS.TN3270.BAR2.COM 6000 IN A 10.32.20.3 * |
Verify
There is currently no verification procedure available for this configuration.
Troubleshoot
There is currently no specific troubleshooting information available for this configuration.
Related Information
| Updated: Sep 09, 2005 | Document ID: 12317 |