Cabletron-systems SmartSTACK ELH100 User Manual Page 68
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50 ELH100-12/24TX User Interface ELH100-12/24TX
Port Statistics Menu
Use the Port Statistics screen to display key statistics for each port.
Overall statistics on the traffic passing through each port are displayed.
This information can be used to identify potential problems with the hub
(such as a faulty port).
Select the required port from the Port Statistics: Port Selection Menu. The
PortStatisticsScreenisshowninFigure3-20anddescribedinthe
accompanying table
.
Figure 3-20. Port Statistics Screen
Hub 1 Port 12 Statistics
========================
Readable Frames: 805490 Collisions: 425
Readable Octets: 123515227 Late Events: 1
CRC Errors: 6 Data Rate Mismatches: 0
Alignment Errors: 1 Auto Partitions: 1
Frames Too Long: 0 Total Errors: 620
Short Events: 612 LSA Changes: 672366
Runts: 3 Last Source Address:00-00-E8-42-72-E4
<REFRESH STATISTICS> <AUTO-REFRESH STATISTICS> <RESET COUNTERS>
<PORT SELECTION SCREEN> <PREVIOUS PORT> <NEXT PORT>
Press <ENTER> to refresh this port's statistics screen
Use <TAB> or cursor keys to move, <ENTER> to select
Field Description
Readable Frames Number of good frames received by the port.
Readable Octets Number of good octets received by the port.
CRC Errors Number of CRC errors.
Alignment Errors For 10 Mbps ports, the counter records alignment errors (mis-
synchronized data packets). For 100 Mbps ports, the counter
records the sum of alignment errors and code errors (frames
received with rxerror signal).
Frames Too Long Number of times frame length has exceeded the maximum
allowable size (that is, 1518 bytes).
Short Events Number of short fragments.
Runts Number of fragments (that were too long to qualify as short events).
Collisions
Number of simultaneous node transmissions detected by this device.
Late Events
Number of frames where a collision occurred late in the transmission.
Data Rate
Mismatches
Number of frames for which the data rate does not match the local
frequency.
- SmartSTACK 1
- ELH100-12/24TX 1
- FASTETHERNETHUB 1
- FCC NOTICE 4
- INDUSTRY CANADA NOTICE 4
- VCCI NOTICE 4
- CABLETRON SYSTEMS, INC 5
- PROGRAM LICENSE AGREEMENT 5
- CABLETRON SYSTEMS LIMITED 9
- 9033060 Table Of Contents xi 13
- Audience 17
- Conventions 17
- Organization 18
- 1. PRODUCT OVERVIEW 19
- Features 20
- • Network Management: 21
- • Reliability: 21
- • Software: 21
- • LED Indicators: 21
- Front Panel 22
- Optional Modules 23
- Activity 24
- Full/Half 24
- Collision 24
- Rear Panel 25
- Feature Summaries 25
- 9033060 Product Overview 9 27
- Application Example 28
- 9033060 Product Overview 11 29
- 2. INSTALLATION 31
- Mounting the Hub in a Rack 33
- 9033060 Installation 17 35
- Using a Switch/Media Module 36
- 9033060 Installation 19 37
- In-Band Connections 38
- Agent Module 39
- Powering the Hub 40
- Network Cable Requirements 41
- 10Base-T/100Base-TX Ports 42
- 100Base-FX Fiber Ports 43
- Overview 45
- User Access 46
- Factory Defaults 46
- Menu Hierarchy 47
- Main Menu 48
- System Information Menu 49
- System Configuration Menu 51
- SNMP Configuration Menu 53
- SNMP Communities 54
- SNMP Trap Destinations 55
- Hub Configuration Menus 56
- Hub Configuration 57
- SNMP Agent 57
- Switch Module 58
- Port Configuration Menu 59
- Backup Port Control Menu 61
- TFTP Download Menu 62
- XMODEM Download Menu 63
- User Password Menu 64
- Console Configuration Menu 65
- Hub Statistics Menu 66
- Port Statistics Menu 68
- Common Tasks 71
- Setting Password Protection 71
- Assigning an IP Address 72
- Connecting via Telnet 73
- Viewing Hub Statistics 74
- Downloading Via TFTP 75
- Configuring Port Operation 76
- Spanning Tree 76
- Setting a Default Gateway 76
- Configuring BootP 77
- 5. WEB-BASED MANAGEMENT 79
- System Information 81
- Stack Browser 82
- Agent Configuration 84
- Hub Backplane 86
- Port Configuration 87
- Port Backup 88
- Switch Module Statistics 89
- MIB Browser 90
- RMON Browser 91
- Ethernet Statistics 92
- Web-Based Management 75 93
- Packets Pie Chart 94
- Error Packets Ratio 95
- History Control Entry 96
- History Data Entry 97
- Rate Bar Chart 99
- Utilization 100
- Web-Based Management 83 101
- Event Table 103
- Log Table 104
- 6. SNMP MANAGEMENT 105
- MIB Objects 106
- 9033060 SNMP Management 89 107
- Standards Compliance 109
- Certification 109
- Data Rate 109
- Environmental Specifications 109
- Electrical Specifications 110
- Physical 110
- Port Specifications 111
- Power Cord Set Requirements 112
- Country-Specific Requirements 113
- 2 Index ELH100-12/24TX 118
- 9033060 Index 3 119
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