Main
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Contents
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Figures
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Tabl es
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Preface
The Team That Wrote This Redbook
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Comments Welcome
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Chapter 1. Dependent Node
dependent node
1.1 Dependent Node Architecture
1.2 Limitations of the Dependent Node
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Chapter 2. Router Node
2.1 Overview
extension node
extension node adapter
2.1.1 Motivation
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2.1.2 Design Objectives
SDR
IP gateway
router
Internet Protocol
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2.1.4 Routing without the GRF
SP Switch
. . .
Internet/Intranet
. . .
Internet/Intranet
LAN/WAN
hop
IP Switch Control Board
..... ........ .....
...... ......
2.1.6 Overview of Supported Routing Protocols
..... ..... ..... .....
.........
2.1.7 Media Adapters At-a-Glance
2.1.8 Benefits of the GRF
nonblocking crossbar
2.1.9 Price Comparison
2.2 GRF Software
2.2.1 IP Protocol
Address Resolution Protocol
2.2.2 Supported Routing Protocols
autonomous systems
Exterior routing protocols
Interior routing protocols
interior gateway protocols
routed
RFC
backbone
inter-area routing
intra-area routing
mrouted
Internet Group Management Protocol
Connectionless Network Protocol
InterDomain Routing Protocol
Border Gateway Protocol
2.2.3 Filtering
2.2.4 System Management
Simple Network Management Protocol
2.3 GRF Hardware
2.3.1 GRF Block Diagram
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2.3.2 GRF Features
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Quick Branch Routing Technology
communications bus (Combus)
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Rx Buffer
Tx Buffer
Rx Buffer
CPU QBRT
Tx Buffer
CPU QBRT
2.3.3 IP Switch and Control Board
ATE
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2.3.4 Memory Guidelines for the IP Switch Control Board
2.3.5 Characteristics of GRF Media Cards
2.3.6 SP Switch Router Adapter
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2.3.7 Media Card Performance
2.3.8 Other Media Cards
2.3.9 GRF Operating Environment
2.4 PSSP Enhancements
2.4.1 SDR Enhancements
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dependent
standard
Do not change this value for any reason
Do not change this value for any reason
2.4.2 New Commands
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2.4.3 Enhanced Commands
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Switch Responds
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2.4.5 SP Extension Node SNMP Manager
2.4.6 Dependent Node MIB
2.4.7 Coexistence
coexistence
2.4.8 Partitioning
2.5 Planning for the GRF
Partition B Partition A
Cross-partition communication through the SP Switch
SDR
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2.6 Planning for the Dependent Node
2.7 Conclusion
Part 2. Scenarios
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Chapter 3. Installation and Configuration
RS/6000 SP: Administration Guide Version 2 Release 4
GRF 400/1600 Getting Started
RS/6000 SP: Administration Guide Version 2 Release 4,
GRF Configuration Guide 1.4
3.1 Initial Configuration
3.2 Pre-Installation Assumptions
GRF 400/1600 Getting Started V.14,
Page
3.2.1 Order of Information
Terminal Settings 9600 baud No parity Eight data bits One stop bit
3.3 Installing an SP Switch Router Adapter Card
3.3.1 Installation Overview
GRF 400/ 1600 Getting Started 1.4,
3.3.2 Installing the PCMCIA Spinning Disk
/dev/wd3a /var/log ufs rw 0 2 # PCMCIA slot A
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3.4 Attaching SP Switch Router Cables
3.4.1 Ethernet Cable
3.4.2 SP Switch Cable
3.4.3 Procedure for Connecting Cards to the SP Switch
3.5 Configuration Required on the SP System
3.5.1 Determining the Switch Connection for a Dependent Nod e
RS/6000 SP: Maintenance Information, Volume 1, Installation and Customer Engineer Operations
RS/6000 SP: Administration Guide Version 2 Release 4,
Frame n+3
Frame n+2
Installation and Configur ation 84
Figure 33. Node Numbering for an SP System
3.5.2 Procedure to Get the Jack Number
2. From the SP CWS, determine the switch_node_number by entering
SDRGetObjects DependentNode node_number==n switch_node_number, where n
# SDRGetObjects DependentNode node_numb er node_number 4 #
# SDRGetObjects DependentNode node_numb er==4 switch_n ode_number switch_node_number 3 #
3.6 Multiple Frames for Multiple System Connections
3.7 Step-by-Step Media Card Configuration
3.7.1 Configuration Files and Their Uses
GRF Reference Guide 1.4
RS/6000 SP: Administration Guide Version 2 Release 4,
after
3.8 Step 1. Check SNMP in the SP Switch Router S ystem
must not remove
GRF Configuration Guide 1.4,
3.9 Put SNMP Changes into Effect
3.10 Step 2. Assign IP Addresses
3.10.1 Method 1: Use SP SNMP Manager - Recommended
RS/6000 SP: Administration Guide Version 2 Release 4,
Page
Page
Command:
Use SDRGetObjects switch_responds to see the actual status of the SP Switch:
Before the extended node can be successfully Eunfenced, more work has to be done.
3.10.2 Method 2: Edit /etc/grifconfig.conf - Optional
Interface name
Internet address
Netmask
Broadcast or destination address
Argument field
Default MTU values
3.10.3 Putting grifconfig.conf Additions into Effect
3.11 Step 3. Change Profile Settings
GRF 400/1600 Configuration Guide 1.4,
3.12 Step 4. Run dev1config
3.13 Step 5. Reset SP Switch Router System to Install Files
3.13.1 Saving Configuration Files
3.14 Verify an SP Switch Router Adapter Card on the Router
3.14.1 Verify Media Card Operation Using ping
3.14.2 Check Media Card Status Using grcard
3.14.3 Reset Media Card Using grreset
GRF Configuration Guide 1.4,
,
RS/6000 SP: Command Reference Version 2 Release 4,
3.14.4 Using grstat to Display GRF Statistics
3.15 Bringing the SP Switch Router Adapter Card Online with the SP
RS/6000 SP: Installation and Migration Guide Version 2 Release 4,
RS/6000 SP: Administration Guide Version 2 Release 4,
RS/6000 SP: Diagnosis and Messages Guide Version 2 Release 4,
3.15.1 Checking Connectivity to the SP System
RS/6000 SP
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Chapter 4. Configuration of IP-Forwarding Media Cards
GRF Configuration Guide 1.4
4.1 Ethernet 10/100Base-T Configuration
4.1.1 Physical and Logical Interfaces
Interface Name
4.1.2 Configuration File and Profile Overview
GRF Configuration Guide 1.4,
4.1.3 Installing Configurations or Changes
4.1.4 Assign IP Addresses - grifconfig.conf
4.1.5 Specify Ethernet Card Parameters
Set the Negotiation or Transfer Rate
ports/ether
4.1.6 Some maint Commands for the Ethernet Media Cards
4.2 ATM OC-3c Configuration
4.2.1 Physical and Logical ATM Interfaces
Virtual Circuits
Virtual P a th s
VCIs
Permanent Virtual Circuits
Switched Virtual Circuits
Verifying an ATM Configuration
4.2.2 Installing Configurations or Changes
4.2.3 Configuration Files and Profiles
4.2.4 Assign IP Addresses - grifconfig.conf
4.2.5 Specify ATM Card Parameters
GRF Configuration Guide 1.4,
only
4.2.6 Configuring PVCs
GRF Reference Guide 1.4,
4.2.7 Some maint Commands for the ATM OC-3c Media Card
Page
118
4.2.8 Using grrt to Display the Route Table
4.2.9 Using grstat to Display GRF Statistics
4.3 ATM OC-12c Configuration
4.3.1 Physical and Logical ATM Interfaces
Virtual Circuits
Virtual P a th s
4.3.2 Installing Configurations or Changes
4.3.3 Configuration Files and Profiles
GRF Configuration Guide 1.4,
4.4 FDDI Configuration
Single Attach (SAS)
FDDI
Dual Attach (DAS)
FDDI
Configuring SAS versus DAS
Page
Optical bypass
Dual homing
4.4.1 Separate Networks versus Bridging
4.4.2 Naming the FDDI Interfaces
Configuration of IP-Forwarding Media Cards 127
grifconfig.conf
Figure 46. Assigning Numbers to FDDI Interfaces
4.4.3 Physical Interface Numbers
4 single attach 2 dual attach 1 dual 2 single attach 2 single 1 dual attach
grifconfig.conf
4.4.4 GRF Interface Name
4.4.5 Configuration Files and Profiles
4.4.6 Assign IP Addresses - grifconfig.conf
4.4.7 Specify FDDI Card Parameters
GRF Configuration Guide 1.4,
4.4.8 Installing Configurations or Changes
4.4.9 Some maint Commands for the FDDI Media Card
132
4.4.10 Using grrt to Display the Route Table
4.4.11 Using grstat to Display GRF Statistics
4.5 HIPPI Configuration
4.5.1 Introduction to HIPPI
Page
00 Source Routing
Page
It will reject the connection if the W bit is set on.
unless
HIPPI does not bridge!
GRF Configuration Guide 1.4,
4.5.2 HIPPI Configuration Options
4.5.3 Physical and Logical Interfaces
Interface Name
4.5.4 Configuration Files and Profiles
4.5.5 Installing Configurations or Changes
4.5.6 Some maint Commands for the HIPPI Media Card
4.6 Configuring Bridging
4.6.1 GRF Bridging Implementation
4.6.2 Simultaneous Routing and Bridging
other than
4.6.3 Configuration Options
4.6.4 Interoperability
FDDI
Spanning tree
ATM OC - 3c
Ethernet
4.6.8 Spamming
initial
4.6.9 Bridging Components
4.6.10 Management Tools
GRF Configuration Guide 1.4,
Page
4.6.11 Configuration File and Profile Overview
GRF Configuration Guide 1.4,
required
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required
all
specific
Configuration in gratm.conf
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only
4.6.12 Bridging ATM
4.6.13 Bridging FDDI
4.6.14 Bridging Ethernet
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Chapter 5. Single RS/6000 SP and Single SP Switch Router
5.1 Single SP Partition and Single SP Switch Router Adapter Card
5.1.1 SP Switch - Ethernet Connection
SP Switch SP node
F50
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5.1.2 SP Switch - FDDI Connection
SP2
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5.1.3 SP Switch - ATM Connection
SP21
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172
On the chosen nodes in SP21, ping the ATM interface of the F50:
Page
5.1.4 SP Switch - FDDI Connection (Distinct FDDI Networks)
SP21
Page
Page
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SP21
bridge group
Page
Note:
,
does not work
GRF Configuration Guide 1.4,
Page
Page
5.1.5 SP Switch - FDDI Connection in an ADSM Environment
ADSM c lients
SP21
SP2
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5.2 Single SP Partition and Multiple SP Switch Router Adapter Cards
5.2.1 Configuration of a Dual SP Switch Router Connection
Note:
This configuration does not work.
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5.2.2 Complex Configuration
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Figure 63 on page 196 shows the IP traffic flow when issuing the
node 1 node 6
node 1 node 10
5.2.3 Recovery Procedure for an SP Switch Adapter Card Failure
5.3 Multiple SP Partition and Multiple SP Switch Router Ada pter Cards
and
Note:
All other subnetting does not work.
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Chapter 6. Multiple RS/6000 SPs and One SP Switch Router
6.1 RS/6000 SP Switch - RS/6000 SP Switch Connection
both
twice
Note:
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6.2 Sharing Network Resources
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Chapter 7. Multiple RS/6000 SPs and Multiple GRFs
7.1 ATM OC-3c Backbone Connection
7.1.1 ATM OC-3c Backbone - Using One Port
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7.1.2 ATM OC-3c Backbone - Using Two Ports
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7.2 ATM OC-12c Backbone - One Port
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7.3 HIPPI Backbon e Co nnec tio n
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Appendix A. Laboratory Hardware and Software Configuration
A.1 Node and Control Workstation Configuration
234
Page
236
Page
238
Laboratory Hardware and Software Configuration 239
Table 32. Software Levels on CWS and All Nodes Part 1 of 14
240
Table 33. Software Levels on CWS and All Nodes Part 2 of 14
Laboratory Hardware and Software Configuration 241
Table 34. Software Levels on CWS and All Nodes Part 3 of 14
242
Table 35. Software Levels on CWS and All Nodes Part 4 of 14
Laboratory Hardware and Software Configuration 243
Table 36. Software Levels on CWS and All Nodes Part 5 of 14
244
Table 37. Software Levels on CWS and All Nodes Part 6 of 14
Laboratory Hardware and Software Configuration 245
Table 38. Software Levels on CWS and All Nodes Part 7 of 14
246
Table 39. Software Levels on CWS and All Nodes Part 8 of 14
Laboratory Hardware and Software Configuration 247
Table 40. Software Levels on CWS and All Nodes Part 9 of 14
248
Table 41. Software Levels on CWS and All Nodes Part 10 of14
Laboratory Hardware and Software Configuration 249
Table 42. Software Levels on CWS and All Nodes Part 11 of 14
250
Table 43. Software Levels on CWS and All Nodes Part 12 of 14
Laboratory Hardware and Software Configuration 251
Table 44. Software Levels on CWS and All Nodes Part 13 of 14
252
Table 45. Software Levels on CWS and All Nodes Part 14 of 14
Laboratory Hardware and Software Configuration 253
Table 46. Network Options of CWS and All Nodes Part 1 of 3
254
Table 47. Network Options of CWS and All Nodes Part 2 of 3
A.2 SP Switch Pool Size Settings
A.3 7025-F50 Configuration
Laboratory Hardware and Software Configuration 257
Table 50. Network Options of 7025-F50 Part 2 of 3
A.4 SP IP Switch Router Configuration
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Appendix B. GRF Configuration Files
B.1 /root/.profile
262
GRF Configuration Files 263
B.2 /etc/Release
264
B.3 /etc/bridged.conf
GRF Configuration Files 265
266
GRF Configuration Files 267
B.4 /etc/fstab
B.5 /etc/grarp.conf
This file holds ARP information for distant interfaces that do not support inverse ARP.
268
B.6 /etc/gratm.conf
In this file, the parameters for ATM (OC-3c or OC-12c) are set.
GRF Configuration Files 269
270
GRF Configuration Files 271
272
GRF Configuration Files 273
274
B.7 /etc/grclean.conf
GRF Configuration Files 275
B.8 /etc/grclean.logs.conf
276
GRF Configuration Files 277
B.9 /etc/grdev1.conf
This file normally gets updated automatically by the SNMP daemon running on the CWS.
278
GRF Configuration Files 279
280
GRF Configuration Files 281
282
B.10 /etc/grifconfig.conf
GRF Configuration Files 283
284
B.11 /etc/grlamap.conf
GRF Configuration Files 285
B.12 /etc/grroute.conf
286
B.13 /etc/hosts
The file /etc/hosts contains the correlation between IP addresses and hostnames.
B.14 /etc/inetd.conf
This file is included here just for curiosity in case you are interested in why
ftp to the GRF is not possible.
B.15 /etc/motd
B.16 /etc/rc.local
Use this file for local modifications that are to be carried out during boot.
288
B.17 /etc/snmpd.conf
GRF Configuration Files 289
290
GRF Configuration Files 291
B.18 /etc/syslog.conf
292
B.19 /etc/ttys
GRF Configuration Files 293
294
Appendix C. Hardware and Software Information
C.1 The Front Panel of the SP Switch Router Adapter Card - Operational
296
C.2 SP Switch Router Adapter Media Card LEDs
C.3 SP Switch Router Adapter Media Card - Bootup
Table 54 shows the settings for the Switch Router Adapter Media Card LEDs during bootup.
298
C.4 Connectors and Receptacles for Different Media
Figure 73 on page 299 is taken from the Redbook
C.5 Chip Interconnection on the TBS Board
RS/6000 SP: Problem Determination Guide
, SG24-4778-00, Chapter 4.2 "Reviewing Switch Boards".
C.6 Updating Router Software
only the IBM version of the code will work on the SP Switch Router
Page
302
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Appendix D. Special Notices
Page
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Appendix E. Related Publications
E.1 International Technical Support Organization Publications
RS/6000 SP: Installation and Migration Guide Version 2 Release 4
RS/6000 SP: Administration Guide Version 2 Release 4,
RS/6000 SP: Problem Determination Guide,
Page
How to Get ITSO Redbooks
How IBM Employees Can Get ITSO Redbooks
312
How Customers Can Get ITSO Redbooks
IBM Redbook Order Form
Page
List of Abbreviations
316
Index Symbols
Numerics
A
B
C
D
E
F
G
H
I
J
K
L
M
N
Q
R
S
T
U
V
W
ITSO Redbook Evaluation