H3c-technologies H3C WX5500E Series Access Controllers Bedienungsanleitung Seite 190
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180
Item Descri
p
tion
tc-protection
Select whether to enable TC-BPDU guard.
When receiving topology change (TC) BPDUs, the device flushes its forwarding
address entries. If someone forges TC-BPDUs to attack the device, the device will
receive a large number of TC-BPDUs within a short time and frequently flushes its
forwarding address entries. This affects network stability.
With the TC-BPDU guard function, you can prevent frequent flushing of forwarding
address entries.
H3C does not recommend you to disable this function.
tc-protection threshold
Set the maximum number of immediate forwarding address entry flushes the device
can perform within a certain period of time after receiving the first TC-BPDU.
Configuring MSTP on a port
1. Select Network > MSTP from the navigation tree.
2. Click the Port Setup tab to enter the page for configuring MSTP on ports.
Figure 171 MSTP configuration on a port
3. Configure MSTP for ports as described in Table 63.
4. Click Apply.
Table 63 Configuration items
Item Descri
p
tion
STP
Select whether to enable STP on the port.
- Switching Engine 1
- Preface 3
- Symbols 4
- Network topology icons 4
- Port numbering in examples 4
- Obtaining documentation 5
- Technical support 5
- Documentation feedback 5
- Contents 6
- Configuration wizard 11
- Web overview 18
- Web-based NM functions 19
- Buttons and icons 23
- Page display 24
- Search function 25
- Sort function 27
- Restrictions and guidelines 29
- Username admin admin 33
- Password admin admin 33
- Configuring system name 38
- Click Apply 39
- Maintaining devices 40
- Rebooting the device 41
- Configuring system time 43
- Configuring network time 44
- Configuring date and time 46
- Managing logs 48
- Configuring the log host 49
- Managing the configuration 52
- Saving the configuration 53
- Resetting the configuration 54
- Managing files 55
- Removing a file 56
- Uploading a file 56
- Managing ports 57
- Configuring the switch 63
- Configuring port mirroring 67
- Managing users 75
- Setting the super password 76
- Configuring a loopback test 78
- Configuring VCT 80
- Configuring storm constrain 83
- Configuring RMON 86
- History group 87
- Event group 87
- Alarm group 87
- Configuring a history entry 91
- Configuring an event entry 92
- Configuring an alarm entry 93
- Displaying RMON statistics 94
- Displaying RMON event logs 97
- RMON configuration example 98
- Verifying the configuration 101
- Configuring energy saving 102
- Item Descri 103
- Configuring SNMP 104
- SNMP protocol versions 105
- Enabling SNMP agent 106
- Configuring an SNMP view 108
- Adding rules to an SNMP view 109
- Configuring an SNMP group 111
- Configuring an SNMP user 112
- Network requirements 117
- Configuring the agent 117
- SNMPv3 configuration example 120
- Configuring the NMS 124
- Overview 125
- Field Descri 126
- OAP management 127
- Configuring VLANs 128
- VLAN types 129
- Port-based VLAN 130
- Configuration guidelines 131
- Creating VLANs 134
- Setting the PVID for a port 136
- Selecting a VLAN 137
- Modifying a VLAN 138
- Modifying a port 139
- VLAN configuration example 140
- Configuring Switch B 144
- Configuring VLAN interfaces 145
- Modifying a VLAN interface 146
- Item Descri 149
- Configuring a voice VLAN 150
- Configuring Switch A 157
- Types of MAC address entries 169
- Configuring MSTP 173
- Root port 174
- Path cost 174
- How STP works 175
- Introduction to RSTP 180
- Introduction to MSTP 180
- Basic MSTP concepts 181
- Regional root bridge 183
- Common root bridge 183
- Boundary port 183
- Port roles 183
- Port states 184
- How MSTP works 185
- Protocols and standards 185
- Configuring an MST region 186
- Configuring MSTP globally 188
- Configuring MSTP on a port 190
- MSTP configuration example 194
- Configuring Switch C 198
- Configuring Switch D 198
- Link aggregation modes 201
- Dynamic aggregation mode 202
- Guidelines 202
- Setting LACP priority 207
- Configuring LLDP 213
- LLDPDUs 214
- Operating modes of LLDP 217
- How LLDP works 217
- Enabling LLDP on ports 219
- LLDP configuration examples 233
- Managing services 246
- Using diagnostic tools 249
- Traceroute operation 250
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