System Management Guide: Communications and Networks

<BODY BGCOLOR="FCFBF0"> <CENTER> <FONT COLOR="#A62A2A" SIZE="+2"> </FONT> </CENTER> <HR> <H1><A HREF="edition.htm#A3CFD4DB708endr">Second Edition (October 1998)</A></H1> <H1><A HREF="tm.htm#A3CFD4EF120endr">Trademarks and Acknowledgments</A></H1> <H2><A HREF="tm.htm#A36C25F021ryan">Note to Users</A></H2> <H2><A HREF="tm.htm#A36C25F355ryan">Legal Notice to Users Issued by Sun Microsystems, Inc.</A></H2> <H1><A HREF="atb.htm#LT5Fi2cdjudy">About This Book</A></H1> <H2><A HREF="atb.htm#A33700B986jana">Who Should Use This Book</A></H2> <H2><A HREF="atb.htm#A33700C462jana">How to Use This Book </A></H2> <H2><A HREF="atb.htm#A337010847jana">Highlighting</A></H2> <H2><A HREF="atb.htm#A2A5B362702joyc">ISO 9000</A></H2> <H2><A HREF="atb.htm#A2A5B362753joyc">AIX Support for the X/Open UNIX95 Specification</A></H2> <H2><A HREF="atb.htm#A337011902jana">Related Publications</A></H2> <H2><A HREF="atb.htm#D5FAE76740ddmi">Ordering Publications</A></H2> <H1><A HREF="ch1_ovw.htm#hhO1a0dee">Chapter 1. Communications and Networks Overview </A></H1> <H2><A HREF="comm_intro.htm#C7D3F10081ddmi">Communications Functions Introduction </A></H2> <H2><A HREF="net_intro.htm#C7D3F11066ddmi">Network Introduction </A></H2> <H2><A HREF="physnet_intro.htm#C7D3F13804ddmi">Physical Networks Introduction</A></H2> <H2><A HREF="syscom_intro.htm#C7D3F14126ddmi">System Communications Support</A></H2> <H2><A HREF="otherops_intro.htm#C7D3F16257ddmi">Communicating with Other Operating Systems</A></H2> <H1><A HREF="ch2_mail.htm#Ah22c0sara">Chapter 2. Mail</A></H1> <H2><A HREF="ch2_mail.htm#A270X916f4">Mail Management Tasks</A></H2> <H2><A HREF="ml_alias.htm#BAE2A23604dada">Managing Mail Aliases</A></H2> <H2><A HREF="ml_queue.htm#BAE2A40680dada">Managing the Mail Queue Files and Directories</A></H2> <H2><A HREF="ml_log.htm#A2A5B3A5122joyc">Managing Mail Logging</A></H2> <H2><A HREF="ml_debug.htm#A2A5B3A6708joyc">Debugging sendmail</A></H2> <H2><A HREF="ml_imap_pop.htm#PQp8n38bjoyc">Internet Message Access Protocol (IMAP) and Post Office Protocol (POP)</A></H2> <H2><A HREF="ml_ref.htm#BAE2BF6406dada">Mail Reference</A></H2> <H1><A HREF="ch3_tcpip.htm#E09DC19776trau">Chapter 3. Transmission Control Protocol/Internet Protocol</A></H1> <H2><A HREF="tcp_plan.htm#A81C018bf6">Planning Your TCP/IP Network</A></H2> <H2><A HREF="tcp_install.htm#A341C96dea">Installation and Configuration for TCP/IP</A></H2> <H2><A HREF="tcp_protocols.htm#A341C96ac0">TCP/IP Protocols</A></H2> <H2><A HREF="tcp_adapters.htm#A17C0daef">TCP/IP Network Adapter Cards</A></H2> <H2><A HREF="tcp_interfaces.htm#A341C96d55">TCP/IP Network Interfaces</A></H2> <H2><A HREF="tcp_address.htm#BCAF03E478dada">TCP/IP Addressing</A></H2> <H2><A HREF="tcp_dhcp.htm#TAEAm6bjoyc">TCP/IP Address and Parameter Assignment - Dynamic Host Configuration Protocol (DHCP)</A></H2> <H2><A HREF="tcp_config.htm#BCAF11B995dada">Configuring TCP/IP</A></H2> <H2><A HREF="tcp_daemons.htm#A8C0a85e">TCP/IP Daemons</A></H2> <H2><A HREF="tcp_nameres.htm#BCAF2DF137dada">TCP/IP Name Resolution</A></H2> <H2><A HREF="tcp_route.htm#A341C96d64">TCP/IP Routing</A></H2> <H2><A HREF="tcp_pathmtu.htm#A301EB04796endr">Path MTU Discovery</A></H2> <H2><A HREF="tcp_slip.htm#BCAF54F169dada">SLIP</A></H2> <H2><A HREF="tcp_ppp.htm#A5RDAm98joyc">Asynchronous Point-to-Point Protocol (PPP) Subsystem</A></H2> <H2><A HREF="tcp_qos.htm#endr05101999001">TCP/IP Quality of Service (QoS)</A></H2> <H2><A HREF="tcp_scurity.htm#A38C012177">TCP/IP Security</A></H2> <H2><A HREF="tcp_problems.htm#A55C014d07">TCP/IP Problem Determination</A></H2> <H2><A HREF="tcp_ref.htm#BCAF658227dada">TCP/IP Reference</A></H2> <H2><A HREF="tcp_dlapi.htm#west05121999">Dynamic Load API</A></H2> <H1><A HREF="ch4_ip_security.htm#A14endr">Chapter 4. Internet Protocol (IP) Security</A></H1> <H2><A HREF="ch4_ip_security.htm#A3F4CF3A889endr">Benefits of a Virtual Private Network (VPN)</A></H2> <H2><A HREF="ch4_ip_security.htm#A3F4CF3A901endr">Security</A></H2> <H2><A HREF="ip6_features.htm#A3F4CF3A996endr">IP Security Features</A></H2> <H2><A HREF="ip6_features.htm#A07219803endr">Security Associations</A></H2> <H2><A HREF="ip6_features.htm#A07219804endr">Tunnels and Key Management</A></H2> <H2><A HREF="ip6_features.htm#A07289816endr">Native Filtering Capability</A></H2> <H2><A HREF="ip6_install.htm#A3F4CF3B420endr">IP Security Installation</A></H2> <H2><A HREF="ip6_conf.htm#A3F4CF3C019endr">IP Security Configuration</A></H2> <H2><A HREF="ip6_prob.htm#A3F4CF3E271endr">IP Security Problem Determination</A></H2> <H2><A HREF="ip6_ref.htm#A3F4CF3E442endr">IP Security Reference</A></H2> <H1><A HREF="ch5_tty.htm#A3CFEB19890endr">Chapter 5. TTY Devices and Serial Communications</A></H1> <H2><A HREF="tty_intro.htm#ADodp279endr">TTY Overview</A></H2> <H2><A HREF="tty_devices.htm#TFodp1d0endr">Managing TTY Devices</A></H2> <H2><A HREF="tty_dsu.htm#eAodpedendr">Dynamic Screen Utility</A></H2> <H2><A HREF="tty_modems.htm#jBodp178endr">Modems</A></H2> <H2><A HREF="tty_ate.htm#J6l2c0kaye">ATE Overview</A></H2> <H2><A HREF="tty_ate_setup.htm#gvUkaye">Setting Up ATE</A></H2> <H2><A HREF="tty_trouble.htm#CFE2A9C075trau">TTY Troubleshooting</A></H2> <H1><A HREF="ch6_adapters.htm#A2EF6EEA625joyc">Chapter 6. Micro Channel, ISA, and PCI Adapters</A></H1> <H2><A HREF="adapt_micro.htm#D4yBm2bcjoyc">Micro Channel Wide Area Network (WAN) Adapters</A></H2> <H2><A HREF="adapt_isa_pci.htm#A2EF6EEC644joyc">ISA/PCI Wide Area Network (WAN) Adapters</A></H2> <H1><A HREF="ch7_dlc.htm#A2DFDFC6722endr">Chapter 7. Data Link Control</A></H1> <H2><A HREF="dlc_gdlc.htm#A2DFDFC7691endr">Generic Data Link Control Environment Overview</A></H2> <H2><A HREF="dlc_implement.htm#A2DFDFCA291endr">Implementing the GDLC Interface</A></H2> <H2><A HREF="dlc_install.htm#A2DFDFCA597endr">Installing GDLC Data Link Controls</A></H2> <H2><A HREF="dlc_ioctl.htm#A2DFDFCB498endr">GDLC Interface ioctl Entry Point Operations</A></H2> <H2><A HREF="dlc_kernel.htm#A2DFDFCF319endr">GDLC Special Kernel Services</A></H2> <H2><A HREF="dlc_problem.htm#A2DFDFD0294endr">GDLC Problem Determination</A></H2> <H2><A HREF="dlc_drivers.htm#A9r4ep2dbendr">Managing DLC Device Drivers</A></H2> <H1><A HREF="ch8_bnu.htm#A2B6A541974endr">Chapter 8. Basic Networking Utilities </A></H1> <H2><A HREF="bnu_intro.htm#A7kZ4180kaye">BNU Overview</A></H2> <H2><A HREF="bnu_config.htm#sY21300kaye">Configuring BNU</A></H2> <H2><A HREF="bnu_maint.htm#iv11320kaye">Maintaining BNU</A></H2> <H2><A HREF="bnu_config_files.htm#BB3611F724ddmi">BNU Configuration Files</A></H2> <H2><A HREF="bnu_ref.htm#C0B85BE863ddmi">BNU Files, Commands, and Directories Reference</A></H2> <H1><A HREF="ch9_snmp.htm#A2B6A5A2867endr">Chapter 9. Network Management</A></H1> <H2><A HREF="snmp_intro.htm#A2Nluf276jenn">SNMP for Network Management</A></H2> <H2><A HREF="snmp_access.htm#A174C13b">SNMP Access Policies</A></H2> <H2><A HREF="snmp_daemon.htm#A69C0174c6">SNMP Daemon</A></H2> <H2><A HREF="snmp_config.htm#A69C0174ca">Configuring the SNMP Daemon</A></H2> <H2><A HREF="snmp_dprocs.htm#A69C0174d3">SNMP Daemon Processing</A></H2> <H2><A HREF="snmp_mib.htm#A69C0174fe">SNMP Daemon Support for the EGP Family of MIB Variables</A></H2> <H2><A HREF="snmp_rfc.htm#A69C017525">SNMP Daemon RFC Conformance</A></H2> <H2><A HREF="snmp_restrict.htm#A69C017539">SNMP Daemon Implementation Restrictions</A></H2> <H2><A HREF="snmp_log.htm#G3244glen">SNMP Daemon Logging Facility</A></H2> <H2><A HREF="snmp_problem.htm#A174C142">Problem Determination for the SNMP Daemon</A></H2> <H1><A HREF="ch10_nfs.htm#A2B6A5D2457endr">Chapter 10. Network File System</A></H1> <H2><A HREF="nfs_intro.htm#A354C98749">Network File System Overview</A></H2> <H2><A HREF="nfs_install.htm#C1614D7624atla">NFS Installation and Configuration</A></H2> <H2><A HREF="nfs_pcnfs.htm#A18C0ddde">PC-NFS</A></H2> <H2><A HREF="nfs_webnfs.htm#seA18C0ddde">WebNFS</A></H2> <H2><A HREF="nfs_netlock.htm#A355C98a98">Network Lock Manager</A></H2> <H2><A HREF="nfs_secure.htm#X8M5220bob">Secure NFS</A></H2> <H2><A HREF="nfs_problem.htm#C139881275atla">NFS Problem Determination</A></H2> <H2><A HREF="nfs_ref.htm#C1398A3408atla">NFS Reference</A></H2> <H1><A HREF="ch12_fastcon.htm#A091298002endr">Chapter 11. AIX Fast Connect for Windows </A></H1> <H2><A HREF="fastcon_ovw.htm#A093098001endr">AIX Fast Connect for Windows Overview</A></H2> <H2><A HREF="fastcon_reqts.htm#A093098003endr">AIX Fast Connect for Windows Requirements </A></H2> <H2><A HREF="fastcon_pkg_install.htm#A093098008endr">AIX Fast Connect for Windows Packaging and Installation</A></H2> <H2><A HREF="fastcon_cfg.htm#A0930980010endr">AIX Fast Connect for Windows Configuration</A></H2> <H2><A HREF="fastcon_admin.htm#A0930980016endr">AIX Fast Connect for Windows Administration</A></H2> <H2><A HREF="fastcon_cnct_pcs.htm#A100198003endr">Connecting Client PCs to AIX Fast Connect for Windows</A></H2> <H2><A HREF="fastcon_prob.htm#A091398040endr">AIX Fast Connect for Windows Problem Determination</A></H2>