H3c-technologies H3C WX5500E Series Access Controllers Manuel d'utilisateur Page 105
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94
Task Command
Remarks
Display the statistics of TC/TCN BPDUs
sent and received by all ports in the
specified MSTI or all MSTIs.
display stp [ instance instance-id | vlan
vlan-id ] tc [ | { begin | exclude | include }
regular-expression ]
Available in any
view.
Display the spanning tree status and
statistics.
display stp [ instance instance-id | vlan
vlan-id ] [ interface interface-list ] [ brief ]
[ | { begin | exclude | include }
regular-expression ]
Available in any
view.
Display the MST region configuration
information that has taken effect.
display stp region-configuration [ |
{ begin | exclude | include }
regular-expression ]
Available in any
view.
Display the root bridge information of all
MSTIs.
display stp root [ | { begin | exclude |
include } regular-expression ]
Available in any
view.
Clear the spanning tree statistics. reset stp [ interface interface-list ]
Available in user
view.
Spanning tree configuration examples
This section describes spanning tree configuration examples.
MSTP configuration example
Network requirements
As shown in Figure 24:
• All devices on the network are in the same MST region. Device A and Device B work at the
distribution layer. Device C and Device D work at the access layer.
• Configure MSTP so that packets of different VLANs are forwarded along different spanning trees:
Packets of VLAN 10 are forwarded along MSTI 1, those of VLAN 30 are forwarded along MSTI 3,
those of VLAN 40 are forwarded along MSTI 4, and those of VLAN 20 are forwarded along MSTI
0.
• VLAN 10 and VLAN 30 are terminated on distribution layer devices, and VLAN 40 is terminated
on access layer devices. The root bridge of MSTI 1 is Device A, the root bridge of MSTI 3 is Device
B, and the root bridge of MSTI 4 is Device C.
- H3C WX5540E Access Controller 1
- 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
- Switch A Switch B 14
- Switch C 14
- Enabling auto power-down 17
- Bulk configuring interfaces 30
- Configuring MAC Information 39
- Operational key 44
- Configuration classes 44
- Reference port 44
- Link aggregation modes 45
- Choosing a reference port 46
- Configuring port isolation 63
- STP protocol packets 65
- Basic concepts in STP 66
- Path cost 67
- STP timers 71
- MSTP features 73
- MSTP basic concepts 73
- MST region 74
- Regional root 75
- Common root bridge 75
- Port roles 75
- How MSTP works 76
- STP configuration task list 78
- RSTP configuration task list 79
- PVST configuration task list 80
- MSTP configuration task list 81
- Configuring an MST region 82
- Configuring edge ports 89
- Performing mCheck 96
- Configuring digest snooping 97
- <DeviceB> system-view 99
- Configuration prerequisites 100
- Configuration procedure 100
- Configuration example 101
- Enabling BPDU guard 101
- Enabling root guard 102
- Enabling loop guard 102
- Enabling TC-BPDU guard 103
- Enabling BPDU drop 104
- MSTP configuration example 105
- PVST configuration example 109
- Configuring BPDU tunneling 113
- Enabling BPDU tunneling 116
- Network requirements 117
- Configuring VLANs 120
- VLAN frame encapsulation 121
- VLAN types 122
- Protocols and standards 122
- Configuring port-based VLANs 125
- Frame handling on a port 126
- Verifying the configuration 130
- Configuring MAC-based VLANs 131
- Configuration considerations 136
- Configuration guidelines 142
- Task Command 143
- Remarks 143
- Configuring super VLANs 144
- Name: VLAN 0005 148
- Tagged Ports: none 148
- Untagged Ports: 148
- Configuring voice VLANs 158
- VLAN assignment mode 162
- Configuring GVRP 169
- GARP timers 170
- GARP PDU format 171
- Introduction to GVRP 172
- GVRP registration modes 172
- GVRP configuration task list 173
- Configuring GVRP functions 173
- Configuring the GARP timers 174
- GVRP configuration examples 176
- Configuring LLDP 181
- LLDPDUs 182
- LLDP-MED TLVs 184
- Working mechanism 185
- LLDP configuration task list 186
- Enabling LLDP polling 188
- Configuring LLDP trapping 193
- LLDP configuration examples 194
- Overview 199
- Configuring MVRP 203
- MRP messages 204
- MRP timers 205
- MVRP configuration task list 206
- Enabling MVRP 207
- Configuring MRP timers 208
- Enabling GVRP compatibility 209
- Configuring Device B 212
- Configuring Device C 213
- Configuring Device D 214
- 1(default), 10 219
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