HPE FlexFabric 5940 SERIES

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{ Learns a new MAC address.

{ Deletes an existing MAC address.

[Device] interface ten-gigabitethernet 1/0/1

[Device-Ten-GigabitEthernet1/0/1] mac-address information enable added

[Device-Ten-GigabitEthernet1/0/1] mac-address information enable deleted

[Device-Ten-GigabitEthernet1/0/1] quit

# Set the MAC Information queue length to 100.

[Device] mac-address information queue-length 100

# Set the MAC change notification interval to 20 seconds.

[Device] mac-address information interval 20

Main Page

Default Chapter3
- Table of Contents3
Configuring Ethernet Interfaces11
- Ethernet Interface Naming Conventions11
- Configuring a Management Ethernet Interface11
- Configuring Common Ethernet Interface Settings11
- Configuring a Layer 2 Ethernet Interface21
- Configuring a Layer 3 Ethernet Interface or Subinterface26
  - Setting the MTU for an Ethernet Interface or Subinterface26
  - Setting the MAC Address of an Ethernet Interface or Subinterface26
- Displaying and Maintaining an Ethernet Interface or Subinterface26
Configuring Loopback, Null, and Inloopback Interfaces28
- Configuring a Loopback Interface28
- Configuring a Null Interface28
- Configuring an Inloopback Interface29
- Displaying and Maintaining Loopback, Null, and Inloopback Interfaces29
Bulk Configuring Interfaces30
- Configuration Restrictions and Guidelines30
- Configuration Procedure30
- Displaying and Maintaining Bulk Interface Configuration31
Configuring the MAC Address Table32
- Overview32
  - How a MAC Address Entry Is Created32
  - Types of MAC Address Entries32
- MAC Address Table Configuration Task List33
- Configuring MAC Address Entries34
- Disabling MAC Address Learning36
- Setting the Aging Timer for Dynamic MAC Address Entries38
- Setting the MAC Learning Limit38
- Configuring the Unknown Frame Forwarding Rule after the MAC Learning Limit Is Reached39
- Assigning MAC Learning Priority to Interfaces39
- Enabling MAC Address Synchronization40
- Configuring MAC Address Move Notifications and Suppression41
- Enabling ARP Fast Update for MAC Address Moves42
- Disabling Static Source Check43
- Enabling Conversational Remote MAC Learning44
- Enabling SNMP Notifications for the MAC Address Table44
- Displaying and Maintaining the MAC Address Table45
- MAC Address Table Configuration Example45
Configuring MAC Information47
- Enabling MAC Information47
- Configuring the MAC Information Mode47
- Setting the MAC Change Notification Interval48
- Setting the MAC Information Queue Length48
- MAC Information Configuration Example48
Configuring Ethernet Link Aggregation51
- Basic Concepts51
- Aggregating Links in Static Mode53
  - Choosing a Reference Port53
  - Setting the Aggregation State of each Member Port53
- Aggregating Links in Dynamic Mode54
  - Lacp55
  - How Dynamic Link Aggregation Works56
- Edge Aggregate Interface58
- Load Sharing Modes for Link Aggregation Groups58
- Ethernet Link Aggregation Configuration Task List58
- Configuring an Aggregation Group59
- Configuring an Aggregate Interface62
- Configuring Load Sharing for Link Aggregation Groups68
- Enabling Link-Aggregation Traffic Redirection70
  - Configuration Restrictions and Guidelines71
  - Configuration Procedure71
- Forwarding the Traffic of Specified Vlans out of a Fixed Member Port on an Aggregate Link71
- Excluding a Subnet from Load Sharing on Aggregate Links72
- Displaying and Maintaining Ethernet Link Aggregation73
- Ethernet Link Aggregation Configuration Examples74
Configuring Port Isolation88
- Assigning a Port to an Isolation Group88
- Displaying and Maintaining Port Isolation88
- Port Isolation Configuration Example89
Configuring Spanning Tree Protocols91
- Stp91
  - STP Protocol Frames91
  - Basic Concepts in STP93
  - Calculation Process of the STP Algorithm94
- Rstp100
  - RSTP Protocol Frames100
  - Basic Concepts in RSTP101
  - How RSTP Works101
  - RSTP BPDU Processing102
- Pvst102
  - PVST Protocol Frames102
  - Basic Concepts in PVST103
  - How PVST Works103
- Mstp103
  - MSTP Features103
  - MSTP Protocol Frames104
  - MSTP Basic Concepts105
  - How MSTP Works108
  - MSTP Implementation on Devices109
  - Rapid Transition Mechanism109
- Protocols and Standards112
- Spanning Tree Configuration Task Lists112
  - STP Configuration Task List113
  - RSTP Configuration Task List113
  - PVST Configuration Task List114
  - MSTP Configuration Task List115
- Setting the Spanning Tree Mode116
- Configuring an MST Region116
- Configuring the Root Bridge or a Secondary Root Bridge117
  - Configuring the Device as the Root Bridge of a Specific Spanning Tree117
  - Configuring the Device as a Secondary Root Bridge of a Specific Spanning Tree118
- Configuring the Device Priority118
- Configuring the Maximum Hops of an MST Region118
- Configuring the Network Diameter of a Switched Network119
- Setting Spanning Tree Timers119
  - Configuration Restrictions and Guidelines120
  - Configuration Procedure120
- Setting the Timeout Factor121
- Configuring the BPDU Transmission Rate121
- Configuring Edge Ports122
  - Configuration Restrictions and Guidelines122
  - Configuration Procedure122
- Configuring Path Costs of Ports122
  - Specifying a Standard for the Device to Use When It Calculates the Default Path Cost123
  - Configuring Path Costs of Ports125
  - Configuration Example125
- Configuring the Port Priority126
- Configuring the Port Link Type126
  - Configuration Restrictions and Guidelines126
  - Configuration Procedure127
- Configuring the Mode a Port Uses to Recognize and Send MSTP Frames127
- Enabling Outputting Port State Transition Information128
- Enabling the Spanning Tree Feature128
  - Enabling the Spanning Tree Feature in STP/RSTP/MSTP Mode128
  - Enabling the Spanning Tree Feature in PVST Mode129
- Performing Mcheck129
  - Configuration Restrictions and Guidelines129
  - Performing Mcheck Globally129
  - Performing Mcheck in Interface View130
- Disabling Inconsistent PVID Protection130
- Configuring Digest Snooping130
  - Configuration Restrictions and Guidelines131
  - Configuration Procedure131
  - Digest Snooping Configuration Example131
- Configuring no Agreement Check132
  - Configuration Prerequisites133
  - Configuration Procedure134
  - No Agreement Check Configuration Example134
- Configuring TC Snooping134
  - Configuration Restrictions and Guidelines135
  - Configuration Procedure135
- Configuring Protection Features136
  - Configuring BPDU Guard136
  - Enabling Root Guard137
  - Enabling Loop Guard137
  - Configuring Port Role Restriction138
  - Configuring TC-BPDU Transmission Restriction138
  - Enabling TC-BPDU Guard139
  - Enabling BPDU Drop139
  - Enabling PVST BPDU Guard140
  - About Dispute Guard140
- Enabling the Device to Log Events of Detecting or Receiving TC Bpdus141
- Enabling BPDU Transparent Transmission on a Port141
- Enabling SNMP Notifications for New-Root Election and Topology Change Events142
- Displaying and Maintaining the Spanning Tree142
- Spanning Tree Configuration Example143
  - MSTP Configuration Example143
  - PVST Configuration Example147
Configuring Loop Detection151
- Overview151
- Loop Detection Configuration Task List153
- Enabling Loop Detection153
  - Enabling Loop Detection Globally153
  - Enabling Loop Detection on a Port153
- Setting the Loop Protection Action154
- Setting the Loop Detection Interval154
- Displaying and Maintaining Loop Detection155
- Loop Detection Configuration Example155
Configuring Vlans158
- Overview158
  - VLAN Frame Encapsulation158
  - Protocols and Standards159
- Configuring a VLAN159
- Configuring VLAN Interfaces160
- Configuring Port-Based Vlans161
- Configuring MAC-Based Vlans164
- Configuring IP Subnet-Based Vlans169
- Configuring Protocol-Based Vlans170
- Configuring a VLAN Group171
- Displaying and Maintaining Vlans171
- VLAN Configuration Examples172
Configuring Super Vlans181
- Super VLAN Configuration Task List181
- Creating a Sub-VLAN181
- Configuring a Super VLAN181
- Configuring a Super VLAN Interface182
- Displaying and Maintaining Super Vlans182
- Super VLAN Configuration Example183
Configuring the Private VLAN186
- Configuration Task List186
- Configuration Restrictions and Guidelines187
- Configuration Procedure187
- Displaying and Maintaining the Private VLAN189
- Private VLAN Configuration Examples189
Configuring Voice Vlans202
- Overview202
- Methods of Identifying IP Phones202
  - Identifying IP Phones through OUI Addresses202
  - Automatically Identifying IP Phones through LLDP203
- Advertising the Voice VLAN Information to IP Phones203
- IP Phone Access Methods203
  - Connecting the Host and the IP Phone in Series203
  - Connecting the IP Phone to the Device204
- Voice VLAN Assignment Modes204
- Security Mode and Normal Mode of Voice Vlans206
- Voice VLAN Configuration Task List206
- Configuring the Qos Priority Settings for Voice Traffic207
- Configuring a Port to Operate in Automatic Voice VLAN Assignment Mode208
  - Configuration Restrictions and Guidelines208
  - Configuration Procedure208
- Configuring a Port to Operate in Manual Voice VLAN Assignment Mode209
  - Configuration Restrictions and Guidelines209
  - Configuration Procedure209
- Enabling LLDP for Automatic IP Phone Discovery210
  - Configuration Restrictions and Guidelines210
  - Configuration Procedure210
- Configuring LLDP to Advertise a Voice VLAN210
- Configuring CDP to Advertise a Voice VLAN211
- Displaying and Maintaining Voice Vlans212
- Voice VLAN Configuration Examples212
  - Automatic Voice VLAN Assignment Mode Configuration Example212
  - Manual Voice VLAN Assignment Mode Configuration Example214
Configuring MVRP216
- Mrp216
- MVRP Registration Modes219
- Protocols and Standards219
- MVRP Configuration Task List219
- Configuration Restrictions and Guidelines219
- Configuration Prerequisites220
- Enabling MVRP220
- Setting an MVRP Registration Mode220
- Setting MRP Timers221
- Enabling GVRP Compatibility222
- Displaying and Maintaining MVRP222
- MVRP Configuration Example222
Configuring Qinq233
- Overview233
- Restrictions and Guidelines235
- Enabling Qinq235
- Configuring Transparent Transmission for Vlans235
- Configuring the TPID for VLAN Tags236
  - Configuring the TPID for CVLAN Tags237
  - Configuring the TPID for SVLAN Tags237
- Setting the 802.1P Priority in SVLAN Tags237
- Displaying and Maintaining Qinq238
- Qinq Configuration Examples239
  - Basic Qinq Configuration Example239
  - VLAN Transparent Transmission Configuration Example241
Configuring VLAN Mapping243
- Overview243
  - VLAN Mapping Application Scenarios243
  - VLAN Mapping Implementations245
- VLAN Mapping Configuration Task List248
- Configuring One-To-One VLAN Mapping248
- Configuring Many-To-One VLAN Mapping249
  - Configuring Many-To-One VLAN Mapping in a Network with Dynamic IP Address Assignment249
  - Configuring Many-To-One VLAN Mapping in a Network with Static IP Address Assignment252
- Configuring One-To-Two VLAN Mapping254
- Configuring Two-To-Two VLAN Mapping255
- Displaying and Maintaining VLAN Mapping255
- VLAN Mapping Configuration Examples255
  - One-To-One and Many-To-One VLAN Mapping Configuration Example255
  - One-To-Two and Two-To-Two VLAN Mapping Configuration Example261
Configuring LLDP264
- Overview264
- LLDP Configuration Task List270
- Performing Basic LLDP Configurations271
- Configuring CDP Compatibility279
  - Configuration Prerequisites280
  - Configuration Procedure280
- Configuring LLDP Trapping and LLDP-MED Trapping280
- Displaying and Maintaining LLDP281
- LLDP Configuration Examples282
  - Basic LLDP Configuration Example282
  - CDP-Compatible LLDP Configuration Example286
Configuring L2PT288
- Overview288
  - Background288
  - L2PT Operating Mechanism289
- L2PT Configuration Task List290
- Enabling L2PT290
  - Restrictions and Guidelines290
  - Enabling L2PT for a Protocol290
- Setting the Destination Multicast MAC Address for Tunneled Packets291
- Displaying and Maintaining L2PT291
- L2PT Configuration Examples292
  - Configuring L2PT for STP292
  - Configuring L2PT for LACP293
    - Configuration Procedures294
    - Aggregation Mode294
Configuring Cut-Through Forwarding297
Configuring Service Loopback Groups298
- Configuration Procedure298
- Displaying and Maintaining Service Loopback Groups299
- Service Loopback Group Configuration Example299
  - Network Requirements299
  - Configuration Procedure299
Document Conventions and Icons300
- Conventions300
- Network Topology Icons301
Support and Other Resources302
- Accessing Hewlett Packard Enterprise Support302
- Accessing Updates302
Index305

HPE FlexFabric 5940 SERIES

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