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RUGGEDCOM ROS
User Guide
Chapter 5
Setup and Configuration
RSTP Applications 139
Section 5.3.2
RSTP Applications
The following sections describe various applications of RSTP:
• Section 5.3.2.1, “RSTP in Structured Wiring Configurations”
• Section 5.3.2.2, “RSTP in Ring Backbone Configurations”
• Section 5.3.2.3, “RSTP Port Redundancy”
Section 5.3.2.1
RSTP in Structured Wiring Configurations
RSTP may be used to construct structured wiring systems where connectivity is maintained in the event of link
failures. For example, a single link failure of any link between A and N in Figure 91 would leave all the ports of
bridges 555 through 888 connected to the network.
1
3
22
11
444
B
A
4
D
3
F
2
4
1
666
3
2
4
1
777
3
2
4
1
888
3
2
4
1
555
3
2
1
444
C
KH
2
E
4
4
3
5
6
5
6
4
3
IG MJ NL
Figure 91: Example - Structured Wiring Configuration
- RC1116-EN-02 1
- Chapter 2 4
- Chapter 3 4
- Chapter 4 6
- Chapter 6 9
- Table of Contents 10
- User Guide 10
- Conventions 11
- Related Documents 12
- System Requirements 12
- Accessing Documentation 13
- Training 13
- Customer Support 13
- Customer Support xiv 14
- Introduction 15
- Security Recommendations 16
- Key Files 17
- SSL Certificates 18
- SSH Key Pairs 19
- 6 SSH Key Pairs 20
- Port Numbering Scheme 21
- Available Services by Port 21
- 8 Available Services by Port 22
- Supported Standard MIBs 23
- Supported Agent Capabilities 24
- SNMP Traps 25
- ModBus Management Support 26
- ModBus Function Codes 27
- ModBus Memory Map 28
- Ethernet Port Status 29
- Ethernet Statistics 29
- 16 ModBus Memory Map 30
- ModBus Memory Map 17 31
- Serial Statistics 32
- ModBus Memory Formats 33
- Reading Data Using PortCmd 34
- PSStatusCmd 35
- TruthValues 36
- Considerations” 38
- Using ROS 39
- Connecting via the Network 40
- Logging In 41
- Logging Out 42
- Using the Web Interface 42
- Using the Web Interface 29 43
- Using the Console Interface 44
- Available CLI Commands 46
- 34 Available CLI Commands 48
- Tracing Events 49
- Using SQL Commands 50
- Finding the Correct Table 51
- Retrieving Information 51
- 38 Retrieving Information 52
- Changing Values in a Table 53
- Resetting a Table 53
- Using RSH and SQL 53
- Selecting Ports in ROS 54
- Viewing Flash File Details 55
- Accessing BIST Mode 56
- Viewing CPU Diagnostics 59
- Restoring Factory Defaults 60
- Uploading/Downloading Files 61
- Section 3.4.1 62
- Section 3.4.2 62
- Managing Logs 64
- Viewing Local Logs 65
- Clearing Local Logs 65
- Managing Remote Logging 66
- Default: 514 67
- Adding a Remote Syslog Server 68
- Section 3.5.4.4 69
- Managing Ethernet Ports 70
- Section 3.6.1 71
- Figure 20: Example 71
- Section 3.6.3 73
- Section 3.6.4 74
- Configuring an Ethernet Port 76
- Section 3.6.7 79
- Configuring Port Mirroring 80
- Configuring Link Detection 82
- Detecting Cable Faults 83
- Performing Cable Diagnostics 85
- Clearing Cable Diagnostics 87
- Managing IP Interfaces 88
- Adding an IP Interface 89
- Deleting an IP Interface 91
- Managing IP Gateways 92
- Adding an IP Gateway 93
- Deleting an IP Gateway 94
- Configuring IP Services 95
- Managing Remote Monitoring 96
- Managing RMON Alarms 100
- Viewing a List of RMON Alarms 101
- Adding an RMON Alarm 102
- Device Management 103
- Adding an RMON Alarm 89 103
- Deleting an RMON Alarm 104
- Managing RMON Events 105
- Viewing a List of RMON Events 106
- Adding an RMON Event 106
- 4. Click Apply 107
- Deleting an RMON Event 108
- Upgrading Firmware 109
- Downgrading Firmware 109
- Resetting the Device 110
- Decommissioning the Device 111
- Decommissioning the Device 98 112
- System Administration 113
- Customizing the Login Screen 114
- Configuring Passwords 114
- CAUTION! 115
- Alarms” 116
- Managing Alarms 117
- Figure 66: Alarms Table 118
- Section 4.4.2 118
- Configuring an Alarm 119
- 106 Configuring an Alarm 120
- Figure 69: Alarms Table 120
- Configuring an Alarm 107 121
- Figure 70: Alarms Form 121
- Weak Password Configured 122
- Default Keys In Use 123
- Login and Logout Information 123
- RADIUS Server Unreachable 123
- TACACS+ Server Unreachable 123
- TACACS+ Response Invalid 124
- SNMP Authentication Failure 124
- Port Security Violated 124
- Configuring Data Encryption 125
- IMPORTANT! 127
- Configuring the RADIUS Server 128
- Configuring the RADIUS Client 128
- Figure 73: RADIUS Server Form 129
- Configuring TACACS+ 130
- Configuring User Priviliges 131
- Setup and Configuration 133
- Managing Virtual LANs 134
- VLAN Concepts 135
- The Management VLAN 136
- Edge and Trunk Port Types 136
- Ingress and Egress Rules 136
- Forbidden Ports List 137
- Section 5.2.1.8 138
- Figure 78: Using GVRP 138
- PVLAN Edge 139
- VLAN Advantages 139
- Administrative Convenience 140
- Reduced Hardware 140
- Viewing a List of VLANs 141
- Parameter Description 142
- Default: Yes 142
- Managing Static VLANs 144
- Adding a Static VLAN 131 145
- Figure 86: Static VLANs Table 145
- Figure 87: Static VLANs Form 145
- Deleting a Static VLAN 146
- RSTP Operation 147
- RSTP States and Roles 148
- Edge Ports 150
- Path and Port Costs 150
- Bridge Diameter 151
- Fast Root Failover 152
- RSTP Applications 153
- Section 5.3.2.2 154
- Configuring STP Globally 156
- Configuring STP Globally 143 157
- 3. Click Apply 158
- Configuring eRSTP 160
- Configuring eRSTP 147 161
- Statistics form appears 162
- Section 5.3.7 164
- Section 5.3.8 165
- Managing Classes of Service 166
- Section 5.4.1 167
- Chapter 5 168
- RUGGEDCOM ROS 168
- Section 5.4.3 169
- Section 5.4.4 170
- Managing MAC Addresses 173
- Section 5.5.2 174
- Managing Static MAC Addresses 175
- Deleting a Static MAC Address 177
- Managing Time Services 178
- Configuring NTP 180
- Managing SNMP 181
- Managing SNMP Users 182
- Adding an SNMP User 169 183
- Figure 122: SNMP Users Table 183
- Figure 123: SNMP Users Form 183
- 170 Adding an SNMP User 184
- Deleting an SNMP User 185
- Managing SNMP Groups 188
- Viewing a List of SNMP Groups 189
- Adding an SNMP Group 189
- Managing Network Discovery 191
- Network Discovery Concepts 192
- Configuring LLDP Globally 193
- Enabling/Disabling RCDP 196
- Section 5.8.6 198
- Section 5.8.7 199
- Managing Multicast Filtering 200
- Switch IGMP Operation 201
- IGMP Snooping Rules 202
- IGMP and RSTP 202
- IGMP 189 203
- Joining a Multicast Group 204
- Leaving a Multicast Group 204
- Notes About GMRP 204
- Section 5.9.2 206
- Configuring IGMP 207
- 7. Reload Button 208
- Configuring GMRP Globally 209
- Managing Port Security 213
- Port Security Concepts 214
- Configuring Port Security 217
- Configuring IEEE 802.1X 218
- Configuring IEEE 802.1X 205 219
- Troubleshooting 221
- Ethernet Ports 222
- Spanning Tree 222
- VLANs 209 223
- Section 6.4 223
- 210 VLANs 224
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