Dual Hosts and dual CSNA backup via DLSw+

Logical View

        MVS HOST1                       MVS HOST2
+---------------------------|  +---------------------------+
| XCA1:         XCA2:       |  | XCA1:         XCA2:       |
| ADAPNO=0      ADAPNO=2    |  | ADAPNO=0      ADAPNO=2    |
| CUADDR=700    CUADDR=801  |  | CUADDR=800    CUADDR=701  |
| SAPADDR=04    SAPADDR=04  |  | SAPADDR=04    SAPADDR=04  |
| MEDIUM=RING   MEDIUM=RING |  | MEDIUM=RING   MEDIUM=RING |
|                           |  |                           |
+---chpid:1C----------------+  +-----------chpid:1D--------+
        \                                    /
         \                                  /
     +-----CA-----------------------------CB---+
     |     |\                            /|    |
     |     | \  /+----------------------+ |    |
     |     |  \/    Escon Director        |    |
     |     |  /\________________________  |    |
     |     | /                          \ |    |
     +-----C8----------------------------C9----+
           |                              |
           |ch 0/1                        |ch 0/1
     +-----+----------+       +-----------+----+
     |    ** lan tok 0|       |    ** lan tok 0|
     |   *  * ring 10 |       |   *  * ring 11 |
     |    **          |       |    **          |
     |-----|--------+ |       | +---|----------|
     | Adapter 0    | |       | |   Adapter 0  |
     |4000.7000.0006| |       | |4000.7000.0007|
     |--------------+ |       | +--------------|
     | Adapter 2    | |       | |   Adapter 2  |
     |4000.7000.0007| |       | |4000.7000.0006|
     +--------------+-+       +-+--------------+
           | Router: CHPHILL           | Router: DURHAM
           |                           |
         ..+...........................+..
        .                                 .
       :     DLSw+ Virtual Ring 1000       :
        .                                 .
         .........+............+..........
                  |            |           ring 20
               +--+------------+--+         ..
               |     7000         |--------:  :------[PCs]
               | Router: CARY     |         ..
               +------------------+

IOCP for MVS HOST1

*
 CHPID PATH=(1C,),TYPE=CNC,SHARED=N,SWITCH=1
*
 CNTLUNIT CUNUMBR=0567,PATH=(1C,),UNITADD=(50,16),LINK=C8,UNIT=SCTC
 IODEVICE ADDRESS=(700,16),CUNUMBR=(0567),UNIT=SCTC
*
 CNTLUNIT CUNUMBR=0568,PATH=(1C),UNITADD=(60,16),LINK=C9,UNIT=SCTC
 IODEVICE ADDRESS=(800,16),CUNUMBR=(0568),UNIT=SCTC
*

IOCP for MVS HOST2

*
 CHPID PATH=(1D),TYPE=CNC,SHARED=N,SWITCH=1
*
 CNTLUNIT CUNUMBR=0667,PATH=(1D),UNITADD=(50,16),LINK=C8,UNIT=SCTC
 IODEVICE ADDRESS=(700,16),CUNUMBR=(0667),UNIT=SCTC
*
 CNTLUNIT CUNUMBR=0668,PATH=(1D),UNITADD=(60,16),LINK=C9,UNIT=SCTC
 IODEVICE ADDRESS=(800,16),CUNUMBR=(0668),UNIT=SCTC
*

IBM PC 1 definition (OS/2) - Token Ring attached PU 2.0 device


Local node id            : 017 00003
LAN Local Address        : 400010015555
Lan Dest Address         : 400070000006
MAX I Frame              : 2065
Remote SAP               : 04
SNA Characteristics      : End Node - no network server
SNA Connections          : To Host

IBM PC 2 definition (OS/2) - Token Ring attached PU 2.0 device


Local node id            : 017 00004
LAN Local Address        : 400010016666
Lan Dest Address         : 400070000007
MAX I Frame              : 2065
Remote SAP               : 04
SNA Characteristics      : End Node - no network server
SNA Connections          : To Host

XCA MAJOR NODE


***********************************************************************
*                                                                     *
*      XCA1 MAJOR NODE XCA1C700 FOR MVS HOST1                         *
*                                                                     *
***********************************************************************
*
        VBUILD TYPE=XCA
XCAP700  PORT  CUADDR=700,                                             *
               MEDIUM=RING,                                            *
               ADAPNO=0,                                               *
               SAPADDR=4,                                              *
               TIMER=60
*
XCAG700  GROUP DIAL=YES,                                               *
               ANSWER=ON,                                              *
               CALL=INOUT,                                             *
               AUTOGEN=(30,L,P),                                       *
               ISTATUS=ACTIVE
*
***********************************************************************
*                                                                     *
*      XCA2 MAJOR NODE XCA2C801 FOR MVS HOST1                         *
*                                                                     *
***********************************************************************
*
        VBUILD TYPE=XCA
XCAP801  PORT  CUADDR=801,                                             *
               MEDIUM=RING,                                            *
               ADAPNO=2,                                               *
               SAPADDR=4,                                              *
               TIMER=60
*
XCAG801  GROUP DIAL=YES,                                               *
               ANSWER=ON,                                              *
               CALL=INOUT,                                             *
               AUTOGEN=(30,L,P),                                       *
               ISTATUS=ACTIVE
*
***********************************************************************

*********************************************************************** * * * XCA1 MAJOR NODE XCA1C800 FOR MVS HOST2 * * * *********************************************************************** * VBUILD TYPE=XCA XCAP800 PORT CUADDR=800, * MEDIUM=RING, * ADAPNO=0, * SAPADDR=4, * TIMER=60 * XCAG800 GROUP DIAL=YES, * ANSWER=ON, * CALL=INOUT, * AUTOGEN=(30,L,P), * ISTATUS=ACTIVE * *********************************************************************** * * * XCA2 MAJOR NODE XCA2C701 FOR MVS HOST2 * * * *********************************************************************** * VBUILD TYPE=XCA XCAP701 PORT CUADDR=701, * MEDIUM=RING, * ADAPNO=2, * SAPADDR=4, * TIMER=60 * XCAG701 GROUP DIAL=YES, * ANSWER=ON, * CALL=INOUT, * AUTOGEN=(30,L,P), * ISTATUS=ACTIVE * ***********************************************************************

VTAM Switched Major Node

*********************************************************************
* Same Switched Major Node activated on each MVS host               *
*********************************************************************
*
CSNA0288 VBUILD TYPE=SWNET,MAXGRP=4,MAXNO=4

PS2_1PU  PU    ADDR=02,IDBLK=017,IDNUM=00003,MODETAB=ISTINCLM,         X
               USSTAB=USSSNA,MAXDATA=2065,MAXOUT=4,DLOGMOD=D4C32782,   X
               PUTYPE=2,PACING=7,VPACING=7,ISTATUS=ACTIVE
PS2_1L1  LU    LOCADDR=002
PS2_1L2  LU    LOCADDR=003
PS2_1L3  LU    LOCADDR=004
PS2_1L4  LU    LOCADDR=005
*
PS2_2PU  PU    ADDR=02,IDBLK=017,IDNUM=00004,MODETAB=ISTINCLM,         X
               USSTAB=USSSNA,MAXDATA=2065,MAXOUT=4,DLOGMOD=D4C32782,   X
               PUTYPE=2,PACING=7,VPACING=7,ISTATUS=ACTIVE
PS2_2L1  LU    LOCADDR=002
PS2_2L2  LU    LOCADDR=003
PS2_2L3  LU    LOCADDR=004
PS2_2L4  LU    LOCADDR=005

ROUTER CONFIGS FOR CHPHILL

hostname CHPHILL !
source-bridge ring-group 1000
dlsw local-peer peer-id 142.34.2.1
dlsw remote-peer 0 tcp 142.34.1.1
!
interface Loopback0
ip address 142.34.2.1 255.255.255.0
!
interface Serial0/1
888 Line to CARY (DCE)
ip address 142.34.50.2 255.255.255.0
clockrate 200000
!
interface Channel1/0
888 ESCON channel to director port C8
ip address 142.32.161.2 255.255.255.0
no ip redirects
ip route-cache same-interface
no keepalive
csna CA00 50
csna CB00 51
!
interface Channel1/2
888 INN MVS HOST1 via XCA700 and MVS HOST2 via XCA801
no ip address
no keepalive
lan TokenRing 0
source-bridge 10 1 1000
adapter 0 4000.7000.0006
adapter 2 4000.7000.0007
name chphill_ILAN
!
define ip route to CARY
!
ip route 0.0.0.0 142.34.50.1
!
router ospf 321
redistribute static subnets
network 142.32.203.0 0.0.0.255 area 20
network 142.32.161.0 0.0.0.255 area 20
!
router igrp 456
timers basic 10 30 0 30
network 142.32.0.0 no metric holddown
!
end

ROUTER CONFIGS FOR DURHAM

hostname DURHAM
!
source-bridge ring-group 1000
dlsw local-peer peer-id 142.34.3.1
dlsw remote-peer 0 tcp 142.34.1.1
!
interface Loopback0
ip address 142.34.3.1 255.255.255.0
!
interface Serial0/1
888 Line to CARY (DCE)
ip address 142.34.51.2 255.255.255.0
clockrate 200000
!
interface Channel1/0
888 ESCON channel to director port C9
ip address 142.32.162.2 255.255.255.0
no ip redirects
ip route-cache same-interface
no keepalive
csna CB00 60
csna CA00 61
!
interface Channel1/2
888 INN MVS HOST1 via XCA701 and MVS HOST2 via XCA800
no ip address
no keepalive
lan TokenRing 0
source-bridge 11 1 1000
adapter 0 4000.7000.0007
adapter 2 4000.7000.0006
name durham_ILAN
!
define ip route to CARY
!
ip route 0.0.0.0 142.34.51.1
!
router ospf 321
redistribute static subnets
network 142.32.203.0 0.0.0.255 area 20
network 142.32.161.0 0.0.0.255 area 20
!
end

ROUTER CONFIGS FOR CARY

version 11.0
service timestamps debug uptime
service timestamps log datetime msec localtime
service udp-small-servers
service tcp-small-servers
!
hostname CARY
!
source-bridge ring-group 1000
dlsw local-peer peer-id 142.34.1.1
dlsw remote-peer  0 tcp 142.34.2.1
dlsw remote-peer  0 tcp 142.34.3.1
!
interface Loopback0
 ip address 142.34.1.1 255.255.255.0
!
interface Serial1/0
 888 Line to CHPHILL (DCE)
 ip address 142.34.53.2 255.255.255.0
 clockrate 200000
!
interface Serial1/1
 888 Line to DURHAM (DCE)
 ip address 142.34.54.2 255.255.255.0
 clockrate 200000
!
interface TokenRing0
 no ip address
 no keepalive
 ring-speed 16
 multiring all
 source-bridge 20 1 1000
 source-bridge spanning
!
! define ip route to CHPHILL and DURHAM
!
ip route 142.34.51.2 255.255.255.255 142.34.53.1
ip route 142.34.52.2 255.255.255.255 142.34.54.1
!
router ospf 321
 network 142.34.10.0 0.0.0.255 area 0
 network 142.34.31.0 0.0.0.255 area 36
!
end

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