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Chapter 7 Classical IP and LAN Emulation Protocols 67
ATM Address Registration Daemon (ilmid)
Address registration with a switch is controlled by ilmid. When an ATM interface
is brought up at boot time, ilmid is also started. ilmid then begins an exchange of
messages with the switch: relaying local address information (the seven-octet ESI
and selector) to the switch and receiving the 13-octet network prefix information
from the switch.
The default local address that is registered with the switch at boot time consists of
the network prefix provided by the switch, the MAC address assigned to the local
interface, and the default selector for that interface (usually 0). Additional addresses
are registered in two different ways. aarsetup(1M) and lanesetup(1M) register
additional local addresses that may appear in aarconfig(4) and laneconfig(4),
respectively. You can also use atmreg(1M) to register addresses, unregister
addresses, and check the status of any address.
Classical Internet Protocol
For ATM to work transparently under IP, an IP address must be resolved to an ATM
address and a connection to that destination must be established. Classical IP does
this via a database of IP/ATM address pairs that is either provided by an ATM ARP
server that is accessible to all hosts on the subnet, or is maintained locally in each
host.
ATM Address Resolution
Traditional TCP/IP and UDP/IP applications use IP addresses for communicating to
a destination. For these applications to run like traditional applications, IP addresses
need to be resolved into ATM addresses. The ATM address then signals to establish
an ATM connection to the destination. An ATM connection in turn is represented by
a VPI/VCI. The host must use this returned VPI/VCI to send packets to the
destination that represents the ATM connection.
ATM address resolution, also called ATM ARP, follows RFC 1577, the classic draft
that describes the ATM ARP process.
RFC 1577 assumes the existence of an ATM ARP server on every subnet. Every client
on the subnet communicates with the ATM ARP server to derive the destination’s
ATM address from its IP address. The ATM ARP server holds the IP-to-ATM address
information for all hosts in the ATM subnet. It is likely that initial ATM
configurations will not rely on dynamic ATM address resolution because it requires
the presence of an ATM ARP server on every subnet. Also, there are no specified
- 3U CompactPCI Adapter 1
- Installation and User’s Guide 1
- FCCClassANotice 3
- FCCClassBNotice 3
- BSMIClassANotice 5
- Declaration of Conformity 7
- Contents 9
- Contents xi 11
- Contents xiii 13
- SunVTS Documentation 82 18
- How This Book Is Organized 19
- Using UNIX Commands 20
- Typographic Conventions 21
- Shell Prompts 21
- Related Documentation 22
- Sun Welcomes Your Comments 22
- Product Overview 23
- Product Description 23
- Hardware Features 24
- Installation Overview 26
- Software 27
- SunATM Software Packages 28
- Installing and Extracting the 33
- Tools and Equipment Needed 34
- Contents of the Ship Kit 34
- Models of Hot Swap 35
- Installing the Adapter 36
- To Install the Adapter 37
- Opening the Ejection Lever 38
- Closing the Ejection Lever 38
- Environment 40
- Extracting the Adapter 41
- Command Action 47
- System Parameter Group Menu 48
- Interface Configuration Menu 49
- Framing Interface 52
- Signalling Parameter Group 53
- ILMI Parameter Group 54
- Classical IP Parameter Group 54
- Classical IP Interface Type 55
- Hostname and IP Address 56
- Local ATM Address 56
- ATM ARP Server Address 57
- LAN Emulation Parameter Group 58
- Per-Instance LAN Emulation 59
- Hostname or IP Address 60
- LECS Indicator 60
- LECS ATM Address 61
- LES ATM Address 61
- Emulated LAN Name 61
- Additional Hostnames 61
- Editing SunATM Configuration 63
- Editing the atmconfig File 64
- Example of an atmconfig File 65
- Interface 66
- TABLE 5-3 67
- VARIABLE 70
- EXPRESSION 70
- Variable Description 71
- Editing the laneconfig File 75
- TABLE 5-5 76
- TABLE 5-6 76
- TABLE 5-7 77
- Predefined SunATM Variables 78
- Plumbing and Unplumbing 83
- SunATM Interfaces 83
- First Time 84
- ATM Interfaces 84
- TABLE 6-1 85
- Protocols 87
- Registration 88
- ATM Addresses and Address 88
- Classical Internet Protocol 89
- LAN Emulation 91
- LAN Emulation Servers 92
- LAN Emulation Connections 94
- SunATM and Solaris Networking 95
- Features 95
- SNMP and Solaris 96
- ATM and Logical Interfaces 97
- Specifications 99
- Performance Specifications 100
- Power Specifications 100
- Environmental Specifications 100
- Testing the Adapter 103
- Using the OpenBoot PROM FCode 104
- Self-Test 104
- SunATM API Introduction 109
- FIGURE C-1 ATM Signalling 110
- Q.93B Driver Interface 111
- Virtual Circuit (SVC) 112
- FIGURE C-2 Message Format 113
- Message Explanation 113
- Call Setup 115
- Release Procedure 116
- Exception Conditions 116
- Release Request 117
- Raw Mode Connections 119
- DLPI Mode Connections 119
- TroubleshootingandSunATMError 121
- Messages 121
- Redundant LANE Servers 122
- SunATM Interface 123
- Problems 124
- % ping client2 126
- ■ If you do not have an LECS: 128
- Common Problems 130
- Error Messages 132
- Index 117 139
- Index 119 141
Verwandte Produkte und Handbücher für Hardware Sun-microsystems 3U
(64 Seiten)
Hardware Sun-microsystems 1.0 Bedienungsanleitung
(182 Seiten)
(182 Seiten)
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