AIX Version 4.3 Differences Guide

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Benefits are only gained when a client is able to perform block size negotiation. At the time of writing, the IBM Network Station TFTP client has this function. This change does not affect the current AIX TFTP client application. Note If the blocksize exceeds the MTU of the path, then fragmenting will occur, and performance improvements will be reduced by the need to perform reassembly of packets. 7.6 IPv6 Routing Support (4.3.2) The first release of IPv6 support in AIX 4.3 was a host implementation. It did not support routing between interfaces on the same server. Also, the routing applications were not well defined and not available in the INRIA code base to interpret IPv6 routing protocols. AIX Version 4.3.2 supports IPv6 gateway capability in addition to IPv6 host supported in AIX Version 4.3. Version 6.0 of gated from INRIA is ported from INRIA to AIX 4.3.2 with IPV6 support so that gated and some of its routing protocols can manipulate IPv6 addresses. Some changes have been made to the AIX kernel, netinet kernel extension, and non-gated applications to support IPv6 routing. 7.6.1 Gated Version 6.0 The gated daemon provides gateway routing functions for the following protocols: • Routing Information Protocol (RIP) • Routing Information Protocol Next Generation (RIPng) • Exterior Gateway Protocol (EGP) • Border Gateway Protocol (BGP) and BGP4+ • Defense Communications Network Local-Network Protocol (HELLO) • Open Shortest Path First (OSPF) • Intermediate System to Intermediate System (IS-IS) • Internet Control Message Protocol (ICMP) / Router Discovery routing protocols • Simple Network Management Protocol (SNMP) The gated process can be configured to perform all of these protocols or any combination of them. Dynamic routing tables change according to the network conditions. They are built from information passed to gated by the routing protocols. Each protocol performs the same basic functions, in that they determine the best route for a destination and then distribute the routing information to other systems on the network. Each protocol performs these tasks based on their own particular algorithms. 168 AIX Version 4.3 Differences Guide
Gated collects the routing information from each protocol and then selects the best route per destination among them. Each routing protocol has its own way of calculating the cost of a route, that is, the metric value of a route. For example, RIP uses distance (hop count) and HELLO uses time (delay in milliseconds) to determine the cost of a route. Gated uses its own preference values to determine who has the best route. Preference values range from 0-255 with lower numbers indicating more preferred routes. Once gated has selected its best route to a destination, it puts that route in its routing table and later installs it into the kernel’s routing table. There are three new commands delivered along with the new gated supporting IPv6 routing. They are gdc, ospf_monitor, and ripquery. Following are some brief descriptions of these new introduced commands: 7.6.1.1 gdc Command The gdc command provides an operational user interface for gated. The interface is user-oriented for the operation of the gated routing daemon. It provides supports for: • Starting and stopping gated daemon • Delivering signals to manipulate the gated daemon • Maintenance and syntax checking of configuration files • Removal of state dumps and core dumps The gdc command can reliably determine the running state of gated and produces a reliable exit status when errors occur, making it advantageous for use in shell scripts that manipulate gated. 7.6.1.2 ospf_monitor Command The ospf_monitor command queries OSPF routers to provide the detailed statistics. It monitors the OSPF gateways. 7.6.1.3 ripquery Command The ripquery command sends a RIP request or POLL command, to a RIP gateway to request all the routes known by the gateway. It queries the RIP gateways. This command is used as a tool for debugging gateways. Gated has the following enhancements: • SRC support is added to gated. You can start gated using SRC or gdc. • Message catalog is added for gated, ripquery, ospf_monitor, and gdc. Following IPv6 protocols are added in gated: • IPv6 Routing Information Protocol (RIPNG) • IPv6 Internet Control Message Protocol (ICMPv6) • IPv6 Border Gateway Protocol (BGP4+) 7.6.2 IPv6 Routing Functions The changes for IPv6 routing in Institut National de Recherche en Informatique et en Automatique (INRIA) are merged into the AIX netinet and kernel. Also, some Networking Enhancements 169
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AIX Version 4.3 Differences Guide R
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Take Note! Before using this inform
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2.12.5 Boot Logical Volume Scaling
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Chapter 6. System Management and Ut
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7.1.8 Commands and Applications Ena
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8.2.23.1 Input Method Values . . .
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10.6 National Language Enhancements
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xiv AIX Version 4.3 Differences Gui
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51. Documentation Search Service. .
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51. List of Locales for Euro-Specif
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The authors of the First Edition ar
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xxii AIX Version 4.3 Differences Gu
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The RS/6000 Enterprise Server Model
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• 1 MB of Level 2 (L2) cache. •
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The Model 260 is designed for custo
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Table 3 is a comparison of various
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1.6 Gigabit Fibre Channel Adapter A
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12 AIX Version 4.3 Differences Guid
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work as on previous releases of AIX
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For AIX systems using AIX Version 3
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destructive overlay can be caught w
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The maximum number of file descript
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2.12.1.2 Network Memory Buffer Pool
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2.12.3 Larger Pipe Buffer Pool The
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The nice value has a much greater i
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Table 9. Old Priority Algorithm, sc
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where it can be directly manipulate
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one trillion terabytes. Other 64-bi
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ecently used mappings of segment nu
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• Executable data and BSS Followi
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Figure 6. Interfacing 64-Bit Proces
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that can be larger than 2 32 for la
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The addr struct is a library-side s
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It is also possible to have a situa
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A single remap struct fits into a s
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Depending on the execution environm
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3.2.4.2 Parameter Passing Examples
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On AIX 4.3, the same algorithm is u
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All of the following services are e
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UNIX98 interface will add very litt
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cases, the user is free to override
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These ANSI types are defined throug
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The following libraries and APIs ar
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symbols exported with svc3264 are a
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In general, no command user interfa
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mlockall() mq_getattr() mq_open() m
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from the address space. Termination
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4.3.2 The M:N Model In the M:N mode
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sharing the VPs. When the mutex loc
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4.4 Pthreads Suspend and Resume (4.
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4.6.1 Opening Files for Direct I/O
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performance of network memory buffe
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The send_file call only supports th
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• The volume group's disks must b
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The relationship of factor -t, PP n
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The LVM in AIX 4.3.2 supports both
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MAX LVs: 256 FREE PPs: 81 (324 mega
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extended to 511 logical volumes and
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Note Although the chlvcopy command
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Figure 11. Default SMIT Menu SMIT p
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• NIM Install Manager Figure 13 s
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interface. Web-Based System Manager
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configuration change tasks in which
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Find Close Exit Opens a search dial
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Tree Changes the presentation of ic
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6.2.5.11 Status Line The status lin
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Note: The Web-Based System Manager
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A multiple selection is enabled for
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Figure 23. Example of Container Win
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6.4.3 Registered Applications This
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Page 160 and 161: exhaustively consumed. When a NIM o
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• Snap-back scrolling, a feature
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• Secondary transfer, also referr
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• Since the check mark sign is pa
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8.3.4.14 Scrolled Window and Scroll
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• New XmComboBox XmNpositionMode
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This application uses both the X Wi
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8.5.4 New OpenGL Extensions (4.3.2)
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232 AIX Version 4.3 Differences Gui
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The browser must be a forms-capable
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Figure 50. Documentation Search Ser
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If you have not run Netscape previo
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Previously, the man command had to
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Single-Byte Character Set Support (
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abandoning its standards-based inte
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• __mblen_std() - For all other c
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Locale method Unicode locales ISO88
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Unicode Locale Chinese (Traditional
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10.5 Euro Symbol Support for AIX (4
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Any UTF-8 based locale installed on
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Encoding UTF-8 multi-byte: Byte S
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Keyword p_sign_posn n_sign_posn Des
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Table 54 summarizes the AIX keyboar
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10.5.4 Input Methods for the Euro S
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A selection menu can be closed by p
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Figure 55. UNIVERSAL Input Method:
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Table 56 summarizes the new iconv c
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Converter Type Fileset UCS-2_IBM-11
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• X11.loc.XX_XX.Dt.rte • X11.lo
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Figure 56. German UTF-8: Add Additi
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SMIT uses the chlang command to set
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os.loc.iso.de_DE bos.loc.iso.en_US
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• Thai Cultural Conventions (Unic
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In Japan, most of operating systems
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X11.base.rte This fileset ships the
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Documentation Search Service does n
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Figure 59. Searching Japanese Docum
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Figure 61. A Japanese Book 10.7.3.2
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Figure 63. Input Chinese Character
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Figure 65. A Chinese Book for Insta
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Client 3 capabilities. In this case
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Figure 67. Stand-Alone LDAP Directo
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provides encryption of data and tra
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Changes to schema definitions previ
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environments may vary significantly
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• AIX Version 4 Getting Started,
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• http://www.lexmark.com • http
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How Customers Can Get ITSO Redbooks
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LDIF LFT LID LP LPI LPP LPR/LPD LDA
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authentication 300 authentication h
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E ed command 141 EDTMPDIR 141 effec
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kernel changes. crash command 17 de
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-command security 166 RDB glue 299
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web based systems management 95 arc
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SG24-2014-01 Printed in the U.S.A.
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AIX Version 4.3 Differences Guide

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