Name: HP 5120 EI Series
Brand: HP
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The output shows that all link aggregation groups created on the device perform load sharing

based on source and destination MAC addresses.

Configuration Guide1
Table of Contents3
Configuring Ethernet Interfaces10
- Ethernet Interface Naming Conventions10
- Configuring a Combo Interface10
  - Configuration Prerequisites10
  - Changing the Active Port of a Combo Interface10
- Configuring Basic Settings of an Ethernet Interface11
- Shutting down an Ethernet Interface12
- Setting Speed Options for Auto Negotiation on an Ethernet Interface12
- Configuring Flow Control on an Ethernet Interface13
- Configuring Link Change Suppression on an Ethernet Interface14
  - Configuring Link-Down Event Suppression15
  - Configuring Link-Up Event Suppression15
- Configuring Loopback Testing on an Ethernet Interface15
  - Configuration Restrictions and Guidelines16
  - Configuration Procedure16
- Configuring Jumbo Frame Support16
- Configuring a Port Group17
- Enabling Energy Saving Functions on an Ethernet Interface17
  - Enabling Auto Power-Down17
- Configuring Storm Suppression18
- Setting the Statistics Polling Interval19
- Enabling Loopback Detection on an Ethernet Interface19
  - Configuration Restrictions and Guidelines20
  - Configuration Procedure21
- Setting the MDI Mode of an Ethernet Interface21
- Enabling Bridging on an Ethernet Interface22
- Testing the Cable Connection of an Ethernet Interface23
- Configuring Storm Control on an Ethernet Interface23
  - Configuration Restrictions and Guidelines24
  - Configuration Procedure24
- Displaying and Maintaining an Ethernet Interface25
Configuring Loopback and Null Interfaces26
- Configuring a Loopback Interface26
  - Introduction to the Loopback Interface26
  - Configuration Procedure26
- Configuring a Null Interface27
  - Introduction to the Null Interface27
  - Configuration Procedure27
- Displaying and Maintaining Loopback and Null Interfaces27
Bulk Configuring Interfaces29
- Configuration Guidelines29
- Configuration Procedure29
Configuring the MAC Address Table30
- Overview30
- Configuring Static, Dynamic, and Blackhole MAC Address Table Entries31
- Disabling MAC Address Learning32
  - Disabling Global MAC Address Learning33
  - Disabling MAC Address Learning on Ports33
- Configuring the Aging Timer for Dynamic MAC Address Entries33
- Disabling MAC Entry Aging Timer Refresh Based on Destination MAC Address34
  - Application Example34
- Configuring the MAC Learning Limit on Ports35
- Enabling MAC Address Roaming36
- Enabling MAC Address Migration Log Notifying37
- Displaying and Maintaining MAC Address Tables38
- MAC Address Table Configuration Example38
  - Network Requirements38
  - Configuration Procedure39
Configuring MAC Information40
- Overview40
  - Introduction to MAC Information40
  - How MAC Information Works40
- Enabling MAC Information Globally40
- Enabling MAC Information on an Interface40
- Configuring MAC Information Mode41
- Configuring the Interval for Sending Syslog or Trap Messages41
- Configuring the MAC Information Queue Length41
- MAC Information Configuration Example42
  - Network Requirements42
  - Configuration Procedure42
Configuring Ethernet Link Aggregation43
- Overview43
- Configuration Restrictions and Guidelines49
- Ethernet Link Aggregation Configuration Task List49
- Configuring an Aggregation Group50
- Configuring an Aggregate Interface52
- Configuring Load Sharing for Link Aggregation Groups55
  - Configuring Load-Sharing Criteria for Link Aggregation Groups55
  - Enabling Local-First Load Sharing for Link Aggregation56
- Enabling Link-Aggregation Traffic Redirection57
- Displaying and Maintaining Ethernet Link Aggregation58
- Ethernet Link Aggregation Configuration Examples59
  - Layer 2 Static Aggregation Configuration Example59
  - Layer 2 Dynamic Aggregation Configuration Example61
Configuring Port Isolation64
- Assigning a Port to the Isolation Group64
- Displaying and Maintaining the Isolation Group64
- Port Isolation Configuration Example65
Configuring Spanning Tree Protocols66
- Stp66
  - STP Protocol Packets66
  - Basic Concepts in STP67
  - Calculation Process of the STP Algorithm68
- Rstp73
- Pvst73
- Mstp73
  - STP, RSTP, and PVST Limitations73
  - MSTP Features73
  - MSTP Basic Concepts74
  - How MSTP Works78
  - Implementation of MSTP on Devices78
- Protocols and Standards78
- Spanning Tree Configuration Task List79
  - Configuration Restrictions and Guidelines79
  - STP Configuration Task List79
  - RSTP Configuration Task List80
  - PVST Configuration Task List81
  - MSTP Configuration Task List82
- Setting the Spanning Tree Mode83
- Configuring an MST Region84
  - Configuration Restrictions and Guidelines84
  - Configuration Procedure84
- Configuring the Root Bridge or a Secondary Root Bridge85
  - Configuration Restrictions and Guidelines85
  - Configuring the Current Device as the Root Bridge of a Specific Spanning Tree85
  - Configuring the Current Device as a Secondary Root Bridge of a Specific Spanning Tree86
- Configuring the Device Priority86
- Configuring the Maximum Hops of an MST Region86
- Configuring the Network Diameter of a Switched Network87
- Configuring Spanning Tree Timers87
  - Configuration Restrictions and Guidelines88
  - Configuration Procedure88
- Configuring the Timeout Factor89
- Configuring the Maximum Port Rate89
- Configuring Edge Ports90
  - Configuration Restrictions and Guidelines90
  - Configuration Procedure90
- Configuring Path Costs of Ports90
  - Specifying a Standard for the Device to Use When It Calculates the Default Path Cost91
  - Configuring Path Costs of Ports92
  - Configuration Example93
- Configuring the Port Priority93
- Configuring the Port Link Type94
  - Configuration Restrictions and Guidelines94
  - Configuration Procedure94
- Configuring the Mode a Port Uses to Recognize/Send MSTP Packets94
- Enabling Outputting Port State Transition Information95
- Enabling the Spanning Tree Feature96
  - Configuration Restrictions and Guidelines96
  - Enabling the Spanning Tree Feature (in STP/RSTP/MSTP Mode)96
  - Enabling the Spanning Tree Feature (in PVST Mode)96
- Performing Mcheck97
  - Performing Mcheck Globally97
  - Performing Mcheck in Interface View97
- Configuring Digest Snooping98
  - Configuration Restrictions and Guidelines98
  - Configuration Procedure98
  - Digest Snooping Configuration Example99
- Configuring no Agreement Check100
  - Configuration Prerequisites101
  - Configuration Procedure101
  - No Agreement Check Configuration Example102
- Configuring TC Snooping102
  - Configuration Restrictions and Guidelines103
  - Configuration Procedure103
- Configuring Protection Functions103
  - Configuration Prerequisites103
  - Enabling BPDU Guard103
  - Enabling Root Guard104
  - Enabling Loop Guard105
  - Enabling TC-BPDU Guard106
  - Enabling BPDU Drop106
- Displaying and Maintaining the Spanning Tree107
- Spanning Tree Configuration Examples107
  - MSTP Configuration Example107
  - PVST Configuration Example111
Configuring BPDU Tunneling115
- Overview115
  - Background115
  - BPDU Tunneling Implementation116
- Enabling BPDU Tunneling117
- Configuring Destination Multicast MAC Address for Bpdus118
- BPDU Tunneling Configuration Examples119
  - BPDU Tunneling for STP Configuration Example119
  - BPDU Tunneling for PVST Configuration Example120
Configuring Vlans122
- Overview122
- Configuring Basic VLAN Settings124
  - Configuration Restrictions and Guidelines124
  - Configuration Procedure124
- Configuring Basic Settings of a VLAN Interface125
  - Configuration Procedure125
  - VLAN Interface Configuration Example125
- Configuring Port-Based Vlans127
- Configuring MAC-Based Vlans133
- Configuring Protocol-Based Vlans140
- Configuring IP Subnet-Based Vlans144
  - Configuration Procedure144
  - IP Subnet-Based VLAN Configuration Example145
- Displaying and Maintaining VLAN147
Configuring an Isolate-User-VLAN149
- Overview149
- Configuration Restrictions and Guidelines150
- Configuration Procedure150
- Displaying and Maintaining Isolate-User-VLAN151
- Isolate-User-VLAN Configuration Example152
Configuring a Voice VLAN155
- Overview155
- Methods of Identifying IP Phones155
  - OUI Addresses155
  - Automatically Identifying IP Phones through LLDP156
- Configuring a Device to Advertise Voice VLAN Information to IP Phones156
  - How a Device Advertises Voice VLAN Information156
  - How a Device Obtains Voice VLAN Information156
- IP Phone Access Methods157
  - Connecting the Host and the IP Phone in Series157
  - Connecting the IP Phone to the Device Separately157
- Configuring a Voice VLAN on a Port157
- Enabling LLDP to Automatically Discover IP Phones163
  - Configuration Prerequisites163
  - Configuration Procedure164
- Configuring LLDP to Advertise a Specific Voice VLAN164
  - Configuration Guidelines164
  - Configuration Procedure165
- Dynamically Advertising Server-Assigned Vlans through LLDP166
  - Overview166
  - Example for Using 802.1X to Authenticate IP Phones166
- Displaying and Maintaining Voice VLAN166
- Voice VLAN Configuration Examples167
  - Automatic Voice VLAN Mode Configuration Example167
  - Manual Voice VLAN Assignment Mode Configuration Example169
Configuring GVRP171
- Overview171
- GVRP Configuration Task List174
- Configuring GVRP Functions175
  - Configuration Restrictions and Guidelines175
  - Configuration Procedure175
- Configuring the GARP Timers176
- Displaying and Maintaining GVRP177
- GVRP Configuration Examples177
Configuring Qinq183
- Overview183
- Qinq Configuration Task List186
- Configuring Basic Qinq187
  - Enabling Basic Qinq187
  - Configuring VLAN Transparent Transmission187
- Configuring Selective Qinq188
  - Configuring an Outer VLAN Tagging Policy188
  - Configuring an Inner-Outer VLAN 802.1P Priority Mapping189
- Configuring the TPID Value in VLAN Tags190
- Qinq Configuration Examples190
  - Basic Qinq Configuration Example190
  - Selective Qinq Configuration Example193
Configuring LLDP196
- Overview196
- LLDP Configuration Task List201
- Performing Basic LLDP Configuration201
- Configuring CDP Compatibility205
  - Configuration Prerequisites206
  - Configuration Procedure206
- Configuring LLDP Trapping207
- Displaying and Maintaining LLDP208
- LLDP Configuration Examples208
Configuring MVRP213
- Overview213
- MVRP Configuration Task List216
- Configuration Prerequisites216
- Enabling MVRP216
  - Configuration Restrictions and Guidelines216
  - Configuration Procedure217
- Configuring the MVRP Registration Mode217
- Configuring MRP Timers218
- Enabling GVRP Compatibility219
  - Configuration Restrictions and Guidelines219
  - Configuration Procedure219
- Displaying and Maintaining MVRP219
- Configuration Example for MVRP in Normal Registration Mode220
  - Network Requirements220
  - Configuration Procedure221
Support and Other Resources230
- Contacting HP230
  - Subscription Service230
- Related Information230
  - Documents230
  - Websites230
- Conventions231
Index233

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Brand	HP
Model	5120 EI Series
Category	Switch
Language	English