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Glossary-1
Industrial Ethernet OSM/ESM Network Management
C79000-G8976-C137-08
Glossary
Autocrossover
Capability of automatically crossing over the send and receive signals at
twisted-pair ports (automatic switchover between MDI and MDI-X pinning at a
port). When, for example, connecting network components, you no longer need
crossover cables.
The autocrossover function is available only when autonegotiation is activated.
Autonegotiation
In the autonegotiation mode, an electrical OSM/ESM port sets itself
automatically to the transmission rate (10/100 Mbps) of the connected partner
device. If the partner device also supports autonegotiation, the devices further
negotiate whether they will exchange data in the half-duplex or full-duplex mode
and full-duplex flow control see Section 2.12.
FDB table
The FDB table contains node addresses (MAC addresses) and the port of the
OSM/ESM over which the node address is obtainable.
Aging
Aging means that a learned entry in the FBD table is cleared when no packet
with a source address corresponding to the entry is received within the aging
time. The OSM/ESM assumes that this node no longer exists.
Back pressure
Flow control for ports operating in the half duplex mode. With this type of flow
control, the OSM/ESM reduces the packet rate received at a port if there is
overload in the network by generating additional collisions.
BOOTP
The Bootstrap protocol is used by the OSM/ESM to download the IP address,
subnet mask and address of the default gateway automatically from a BOOTP
server. It is also possible to send the name of a file containing the firmware on
the TFTP server.
- Purpose of the Manual 6
- Scope of the Manual 6
- Notes for the Reader 7
- Finding Information 7
- Target Group 7
- Audience 8
- Further Support 9
- C79000-G8976-C137-08 10
- Introduction 13
- 1.1.1 Function 14
- Protocol 15
- Getting Information 15
- Making Settings 15
- 1.2.1 Signaling Concept 17
- 1.2.2 Network Management 17
- 1.3 Command Interpreter (CLI) 20
- 1.4 Setting the IP Addresses 20
- Important OSM/ESM Functions 21
- 2.1 Autonegotiation 22
- 2.2 Autocrossover 23
- Defaults 24
- Protected Settings 24
- Restore Factory Defaults 24
- 2.6 Locked Ports 28
- 2.7 Mirroring 29
- 2.8 Traps 30
- 2.9 E-Mail Function 31
- 2.10 Event Log Table 32
- 2.12 Flow Control 34
- 2.13 BOOTP/DHCP 35
- 2.15 TELNET 37
- Redundant Coupling 38
- 1 Fiber-optic cable (FO) 39
- 2 ITP XP standard cable 9/9 39
- 2.17 Observer Function 41
- Command Interpreter (CLI) 44
- 3.1 Overview 45
- 3.2 Password Protection 45
- 3.3 Installing the CLI 46
- 3.4 Login 47
- 3.5 CLI Commands 48
- CLI Menus and Description 49
- Start Menu 50
- System Menu 51
- Command CommentDescription 52
- OSM/ESM Menu 53
- Agent Menu 55
- Switch Menu 58
- Port Menu 60
- Service Menu 61
- Web-Based Management (WBM) 62
- 4.1 General Introduction 63
- 4.2 Requirements 64
- 4.3 Connecting 65
- Figure 4-2 “Login” Window 66
- Figure 4-3 WBM Startup Window 67
- Device Status Field 69
- Menu Tree 69
- Data Window 69
- 4.6 Management Menus 70
- 4.7 System 71
- 4.7.1 System Version Numbers 72
- Hardware 73
- Order Number 73
- Boot software 73
- Operative software 73
- MAC Address 73
- 4.7.2 System Restart 74
- 4.7.3 System Factory Defaults 75
- (restoring the defaults) 75
- 4.7.4 System Save & Load 76
- Log Table File 77
- Firmware File 77
- 4.7.5 Event Log Table 78
- 4.8 OSM/ESM Status 79
- Standby Status 80
- RM Status 80
- Power Line 1 80
- Power Line 2 80
- Fault Status 81
- 4.8.1 OSM/ESM Fault Mask 82
- Set New Values 83
- 4.8.2 OSM/ESM Standby Mask 84
- 4.8.3 OSM/ESM Counters 86
- 4.9 Agent Features 88
- E-Mail Address 92
- SMTP Server IP Address 92
- “From” Field 93
- 4.9.5 Agent ARP Table 95
- 4.9.6 Agent SNMP Counters 96
- 4.10 Switch Features 97
- Flow Control 98
- Set New Value 98
- 4.10.1 Current FDB Table 99
- Start with MAC 100
- Clear Address 100
- Next Values 100
- 4.10.2 Static FDB Table 101
- Entering a Multicast Address 105
- 4.11 Port Status 106
- Flow Ctrl 107
- 4.11.1 Port Configuration 108
- 4.12 Statistics Counters 110
- 4.12.1 Packet Size 111
- 4.12.2 Packet Type 112
- 4.12.3 Packet Error 113
- SNMP and RMON 114
- 5.1 SNMP 115
- 5.2 RMON 116
- 6.1 General Introduction 118
- Figure 6-1 119
- Figure 6-2 120
- Figure 6-3 120
- Figure 6-4 121
- Requirements 122
- Notes on Troubleshooting 124
- Internet Browser Settings 128
- Figure A-2 Trusted Sites 130
- A.2 Netscape Communicator 6.2 138
- Serial Port of the OSM/ESM 140
- Figure B-1 Properties Tab 142
- References 143
- Abbreviations/Acronyms 145
- Glossary 148
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