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Multiple Spanning Tree Protocol (MSTP)

Main Page

Default Chapter3
- Table of Contents3
About this Guide34
- Audience34
- Conventions34
- Related Documents34
Configuration Fundamentals35
- Accessing the Command Line35
- CLI Modes35
  - Navigating CLI Modes37
- The Do Command40
- Undoing Commands41
- Obtaining Help41
- Entering and Editing Commands42
- Command History43
- Filtering Show Command Outputs43
- Multiple Users in Configuration Mode44
Getting Started45
- Console Access45
  - Serial Console45
- Default Configuration46
- Configuring a Host Name46
- Accessing the System Remotely47
- Configuring the Enable Password48
- Configuration File Management49
- Managing the File System53
- View Command History54
- Upgrading Dell Networking os54
- Using HTTP for File Transfers54
- Using Hashes to Verify Software Images before Installation55
Management57
- Configuring Privilege Levels57
- Configuring Logging60
- Log Messages in the Internal Buffer64
  - Configuration Task List for System Log Management64
- Disabling System Logging64
- Sending System Messages to a Syslog Server65
  - Configuring a UNIX System as a Syslog Server65
- Track Login Activity65
- Limit Concurrent Login Sessions67
- Changing System Logging Settings69
- Display the Logging Buffer and the Logging Configuration70
- Configuring a UNIX Logging Facility Level70
- Synchronizing Log Messages72
- Enabling Timestamp on Syslog Messages72
- File Transfer Services73
- Terminal Lines75
  - Denying and Permitting Access to a Terminal Line75
  - Configuring Login Authentication for Terminal Lines76
- Setting Timeout for EXEC Privilege Mode77
- Using Telnet to Get to Another Network Device78
- Lock CONFIGURATION Mode78
  - Viewing the Configuration Lock Status79
- Restoring the Factory Default Settings79
  - Important Points to Remember79
  - Restoring Factory Default Environment Variables80
802.1X82
- Port-Authentication Process83
  - EAP over RADIUS85
- Configuring 802.1X85
  - Related Configuration Tasks85
- Important Points to Remember86
- Enabling 802.1X86
- Configuring Request Identity Re-Transmissions88
  - Configuring a Quiet Period after a Failed Authentication88
- Forcibly Authorizing or Unauthorizing a Port89
- Re-Authenticating a Port90
- Configuring Timeouts91
- Configuring Dynamic VLAN Assignment with Port Authentication92
- Guest and Authentication-Fail Vlans93
  - Configuring a Guest VLAN94
  - Configuring an Authentication-Fail VLAN94
Access Control Lists (Acls)96
- IP Access Control Lists (Acls)96
  - CAM Usage97
  - Implementing Acls on Dell Networking os98
- Important Points to Remember99
- IP Fragment Handling106
  - IP Fragments ACL Examples106
  - Layer 4 ACL Rules Examples107
- Configure a Standard IP ACL108
  - Configuring a Standard IP ACL Filter109
- Configure an Extended IP ACL110
  - Configuring Filters with a Sequence Number110
  - Configuring Filters Without a Sequence Number111
- Configure Layer 2 and Layer 3 Acls112
- Assign an IP ACL to an Interface113
- Applying an IP ACL113
  - Counting ACL Hits114
- Configure Ingress Acls114
- Configure Egress Acls115
  - Applying Egress Layer 3 Acls (Control-Plane)116
- IP Prefix Lists116
  - Implementation Information117
  - Configuration Task List for Prefix Lists117
- ACL Resequencing121
  - Resequencing an ACL or Prefix List121
- Route Maps123
  - Implementation Information123
- Flow-Based Monitoring Support for Acls123
  - Behavior of Flow-Based Monitoring123
  - Enabling Flow-Based Monitoring125
Bidirectional Forwarding Detection (BFD)127
- How BFD Works127
- Important Points to Remember132
- Configure BFD132
Border Gateway Protocol Ipv4 (Bgpv4)157
- Autonomous Systems (AS)157
- Sessions and Peers159
  - Establish a Session160
- Route Reflectors160
- BGP Attributes161
- Multiprotocol BGP168
- Implement BGP with Dell Networking os168
- Configuration Information174
- BGP Configuration174
- Enabling MBGP Configurations210
- BGP Regular Expression Optimization211
- Debugging BGP211
- Sample Configurations214
Content Addressable Memory (CAM)221
- CAM Allocation221
- Test CAM Usage223
- View CAM Profiles223
- View CAM-ACL Settings224
- View CAM Usage226
- CAM Optimization227
- Troubleshoot CAM Profiling227
- Unified Forwarding Table (UFT) Modes228
  - Configuring UFT Modes228
Control Plane Policing (Copp)230
- Configure Control Plane Policing231
Data Center Bridging (DCB)237
- Ethernet Enhancements in Data Center Bridging237
  - Priority-Based Flow Control238
  - Enhanced Transmission Selection240
  - Data Center Bridging Exchange Protocol (Dcbx)241
  - Data Center Bridging in a Traffic Flow241
- Enabling Data Center Bridging242
  - DCB Maps and Its Attributes242
- Data Center Bridging: Default Configuration243
- Configuring Priority-Based Flow Control244
  - Configuring Lossless Queues245
- Configuring PFC in a DCB Map246
  - PFC Configuration Notes246
  - PFC Prerequisites and Restrictions247
- Applying a DCB Map on a Port248
- Configuring PFC Without a DCB Map248
  - Configuring Lossless Queuesexample249
- Priority-Based Flow Control Using Dynamic Buffer Method250
  - Pause and Resume of Traffic251
  - Buffer Sizes for Lossless or PFC Packets251
- Behavior of Tagged Packets252
- Configuration Example for DSCP and PFC Priorities252
- SNMP Support for PFC and Buffer Statistics Tracking253
- Performing PFC Using DSCP Bits Instead of 802.1P Bits254
- PFC and ETS Configuration Examples255
- Using PFC to Manage Converged Ethernet Traffic255
- Operations on Untagged Packets255
- Generation of PFC for a Priority for Untagged Packets255
- Configure Enhanced Transmission Selection256
  - ETS Prerequisites and Restrictions256
  - Creating an ETS Priority Group256
  - ETS Operation with Dcbx257
  - Configuring Bandwidth Allocation for Dcbx CIN258
  - Configuring ETS in a DCB Map259
- Hierarchical Scheduling in ETS Output Policies260
- Using ETS to Manage Converged Ethernet Traffic261
- Applying DCB Policies in a Switch Stack261
- Configure a Dcbx Operation261
  - Dcbx Operation262
  - Dcbx Port Roles262
  - DCB Configuration Exchange264
  - Configuration Source Election264
  - Propagation of DCB Information265
  - Auto-Detection and Manual Configuration of the Dcbx Version265
  - Dcbx Example266
  - Dcbx Prerequisites and Restrictions266
  - Configuring Dcbx266
- Verifying the DCB Configuration270
- Qos Dot1P Traffic Classification and Queue Assignment281
- Configuring the Dynamic Buffer Method282
- Sample DCB Configuration283
  - PFC and ETS Configuration Command Examples285
Dynamic Host Configuration Protocol (DHCP)286
- DHCP Packet Format and Options286
- Assign an IP Address Using DHCP288
- Implementation Information289
- Configure the System to be a DHCP Server289
- Configure the System to be a DHCP Client293
- Configure the System for User Port Stacking (Option 230)297
- Configure Secure DHCP297
- Source Address Validation304
Equal Cost Multi-Path (ECMP)308
- ECMP for Flow-Based Affinity308
- Link Bundle Monitoring309
Fcoe Transit313
- Fibre Channel over Ethernet313
- Ensure Robustness in a Converged Ethernet Network313
- FIP Snooping on Ethernet Bridges315
- FIP Snooping in a Switch Stack317
- Using FIP Snooping317
- Displaying FIP Snooping Information321
- Fcoe Transit Configuration Example327
Flex Hash and Optimized Boot-Up329
- Flex Hash Capability Overview329
- Configuring the Flex Hash Mechanism329
- Configuring Fast Boot and LACP Fast Switchover330
- Optimizing the Boot Time330
  - Booting Process When Optimized Boot Time Mechanism Is Enabled331
  - Guidelines for Configuring Optimized Booting Mechanism331
- Interoperation of Applications with Fast Boot and System States332
- RDMA over Converged Ethernet (Roce) Overview335
- Preserving 802.1Q VLAN Tag Value for Lite Subinterfaces336
Force10 Resilient Ring Protocol (FRRP)337
- Protocol Overview337
- Implementing FRRP342
- FRRP Configuration342
- Troubleshooting FRRP347
  - Configuration Checks347
- Sample Configuration and Topology347
GARP VLAN Registration Protocol (GVRP)349
- Important Points to Remember349
- Configure GVRP350
  - Related Configuration Tasks350
- Enabling GVRP Globally351
- Enabling GVRP on a Layer 2 Interface351
- Configure GVRP Registration351
- Configure a GARP Timer352
Internet Group Management Protocol (IGMP)354
- IGMP Implementation Information354
- IGMP Protocol Overview354
  - IGMP Version 2354
  - IGMP Version 3356
- Configure IGMP359
  - Related Configuration Tasks359
- Viewing IGMP Enabled Interfaces360
- Selecting an IGMP Version360
- Viewing IGMP Groups361
- Adjusting Timers361
  - Adjusting Query and Response Timers361
- Enabling IGMP Immediate-Leave362
- IGMP Snooping362
- Fast Convergence after MSTP Topology Changes365
- Egress Interface Selection (EIS) for HTTP and IGMP Applications365
- Designating a Multicast Router Interface374
Interfaces375
- Basic Interface Configuration375
- Advanced Interface Configuration375
- Interface Types376
- View Basic Interface Information376
- Resetting an Interface to Its Factory Default State378
- Enabling a Physical Interface379
- Physical Interfaces379
  - Configuration Task List for Physical Interfaces379
  - 40G to 1G Breakout Cable Adaptor380
  - Overview of Layer Modes380
  - Configuring Layer 2 (Data Link) Mode381
  - Configuring Layer 2 (Interface) Mode381
  - Configuring Layer 3 (Network) Mode381
- Configuring Layer 3 (Interface) Mode382
- Egress Interface Selection (EIS)383
  - Important Points to Remember383
  - Configuring EIS383
- Management Interfaces384
  - Configuring Management Interfaces384
  - Configuring a Management Interface on an Ethernet Port386
- VLAN Interfaces387
- Loopback Interfaces387
- Null Interfaces388
- Port Channel Interfaces388
  - Port Channel Definition and Standards388
  - Port Channel Benefits389
  - Port Channel Implementation389
  - Interfaces in Port Channels389
  - Configuration Tasks for Port Channel Interfaces390
  - Creating a Port Channel390
  - Adding a Physical Interface to a Port Channel390
  - Reassigning an Interface to a New Port Channel392
  - Configuring the Minimum Oper up Links in a Port Channel393
  - Adding or Removing a Port Channel from a VLAN393
  - Assigning an IP Address to a Port Channel395
  - Deleting or Disabling a Port Channel395
  - Load Balancing through Port Channels395
  - Changing the Hash Algorithm395
- Bulk Configuration397
  - Interface Range397
  - Bulk Configuration Examples397
- Defining Interface Range Macros399
  - Define the Interface Range399
  - Choosing an Interface-Range Macro399
- Monitoring and Maintaining Interfaces399
  - Maintenance Using TDR401
- Fanning out 40G Ports Dynamically401
- Splitting QSFP Ports to SFP+ Ports402
- Converting a QSFP or QSFP+ Port to an SFP or SFP+ Port403
  - Important Points to Remember404
  - Example Scenarios404
- Link Dampening406
  - Important Points to Remember406
  - Enabling Link Dampening406
- Link Bundle Monitoring408
  - Using Ethernet Pause Frames for Flow Control408
    - Enabling Pause Frames409
  - Configure the MTU Size on an Interface409
  - Port-Pipes410
  - Auto-Negotiation on Ethernet Interfaces411
    - Setting the Speed and Duplex Mode of Ethernet Interfaces411
    - Set Auto-Negotiation Options412
  - View Advanced Interface Information413
    - Configuring the Interface Sampling Size414
  - Dynamic Counters415
    - Clearing Interface Counters416
  - Compressing Configuration Files416
Ipv4 Routing420
- IP Addresses420
  - Implementation Information420
- Configuration Tasks for IP Addresses421
- Assigning IP Addresses to an Interface421
- Configuring Static Routes422
- Configure Static Routes for the Management Interface423
- Using the Configured Source IP Address in ICMP Messages423
  - Configuring the ICMP Source Interface424
- Configuring the Duration to Establish a TCP Connection424
- Enabling Directed Broadcast425
- Resolution of Host Names425
- Enabling Dynamic Resolution of Host Names425
- Specifying the Local System Domain and a List of Domains426
- Configuring DNS with Traceroute426
- Arp427
- Configuration Tasks for ARP427
- Configuring Static ARP Entries428
- Enabling Proxy ARP428
- Clearing ARP Cache429
- ARP Learning Via Gratuitous ARP429
- Enabling ARP Learning Via Gratuitous ARP429
- ARP Learning Via ARP Request430
- Configuring ARP Retries430
- Icmp431
- Configuration Tasks for ICMP431
- Enabling ICMP Unreachable Messages431
- UDP Helper432
  - Configure UDP Helper432
  - Important Points to Remember432
- Enabling UDP Helper432
- Configuring a Broadcast Address433
- Configurations Using UDP Helper433
- UDP Helper with Broadcast-All Addresses433
- UDP Helper with Subnet Broadcast Addresses434
- UDP Helper with Configured Broadcast Addresses435
- UDP Helper with no Configured Broadcast Addresses435
- Troubleshooting UDP Helper436
Ipv6 Routing437
- Protocol Overview437
- Implementing Ipv6 with Dell Networking os444
- Icmpv6446
- Path MTU Discovery446
- Ipv6 Neighbor Discovery447
- Secure Shell (SSH) over an Ipv6 Transport450
- Configuration Tasks for Ipv6450
- Configuring Ipv6 RA Guard457
  - Configuring Ipv6 RA Guard on an Interface459
  - Monitoring Ipv6 RA Guard459
Iscsi Optimization460
- Iscsi Optimization Overview460
- Default Iscsi Optimization Values465
- Iscsi Optimization Prerequisites466
- Configuring Iscsi Optimization466
- Displaying Iscsi Optimization Information468
Intermediate System to Intermediate System470
- IS-IS Protocol Overview470
- IS-IS Addressing470
- Multi-Topology IS-IS471
- Graceful Restart472
  - Timers472
- Implementation Information473
- Configuration Information474
- IS-IS Metric Styles490
- Configure Metric Values490
- Sample Configurations493
Link Aggregation Control Protocol (LACP)496
- Introduction to Dynamic Lags and LACP496
- LACP Configuration Tasks498
- Shared LAG State Tracking500
  - Configuring Shared LAG State Tracking501
  - Important Points about Shared LAG State Tracking502
- LACP Basic Configuration Example503
  - Configure a LAG on ALPHA503
Layer 2511
- Manage the MAC Address Table511
- MAC Learning Limit512
- NIC Teaming516
- Configure Redundant Pairs517
  - Important Points about Configuring Redundant Pairs519
- Far-End Failure Detection520
Link Layer Discovery Protocol (LLDP)526
- 802.1AB (LLDP) Overview526
  - Protocol Data Units526
- Optional Tlvs527
  - Management Tlvs527
- TIA-1057 (LLDP-MED) Overview529
  - TIA Organizationally Specific Tlvs530
- Configure LLDP534
- CONFIGURATION Versus INTERFACE Configurations535
- Enabling LLDP536
  - Disabling and Undoing LLDP536
- Enabling LLDP on Management Ports536
  - Disabling and Undoing LLDP on Management Ports536
- Advertising Tlvs537
- Viewing the LLDP Configuration538
- Viewing Information Advertised by Adjacent LLDP Agents539
- Configuring LLDPDU Intervals540
- Configuring Transmit and Receive Mode540
- Configuring the Time to Live Value541
- Debugging LLDP542
- Relevant Management Objects543
Microsoft Network Load Balancing549
- NLB Unicast Mode Scenario549
- NLB Multicast Mode Scenario550
- Limitations of the NLB Feature550
- Microsoft Clustering550
- Enable and Disable VLAN Flooding551
- Configuring a Switch for NLB551
  - Enabling a Switch for Multicast NLB551
Multicast Source Discovery Protocol (MSDP)553
- Protocol Overview553
- Anycast RP555
- Implementation Information555
- Configure Multicast Source Discovery Protocol555
  - Related Configuration Tasks555
- Enable MSDP559
- Manage the Source-Active Cache560
- Accept Source-Active Messages that Fail the RFP Check561
- Specifying Source-Active Messages565
- Limiting the Source-Active Messages from a Peer566
- Preventing MSDP from Caching a Local Source566
- Preventing MSDP from Caching a Remote Source567
- Preventing MSDP from Advertising a Local Source568
- Logging Changes in Peership States568
- Terminating a Peership569
- Clearing Peer Statistics569
- Debugging MSDP570
- MSDP with Anycast RP570
- Configuring Anycast RP571
  - Reducing Source-Active Message Flooding572
  - Specifying the RP Address Used in SA Messages572
- MSDP Sample Configurations575
Multiple Spanning Tree Protocol (MSTP)578
- Protocol Overview578
- Spanning Tree Variations579
  - Implementation Information579
- Configure Multiple Spanning Tree Protocol579
  - Related Configuration Tasks579
- Enable Multiple Spanning Tree Globally580
- Adding and Removing Interfaces580
- Creating Multiple Spanning Tree Instances580
- Influencing MSTP Root Selection582
- Interoperate with Non-Dell Bridges582
- Changing the Region Name or Revision583
- Modifying Global Parameters583
- Modifying the Interface Parameters584
- Configuring an Edgeport585
- Flush MAC Addresses after a Topology Change586
- MSTP Sample Configurations586
  - Router 1 Running-Configurationrouter 2 Running-Configurationrouter 3 Running-Configurationsftos Example Running-Configuration587
- Debugging and Verifying MSTP Configurations590
Multicast Features593
- Enabling IP Multicast593
- Implementation Information593
- Multicast Policies594
  - Ipv4 Multicast Policies594
Object Tracking602
- Object Tracking Overview602
- Object Tracking Configuration605
- Displaying Tracked Objects612
Open Shortest Path First (Ospfv2 and Ospfv3)614
- Protocol Overview614
- OSPF with Dell Networking os620
- Configuration Information625
  - Configuration Task List for Ospfv2 (OSPF for Ipv4)625
- Configuration Task List for Ospfv3 (OSPF for Ipv6)641
Policy-Based Routing (PBR)657
- Overview657
- Implementing Policy-Based Routing with Dell Networking os658
- Configuration Task List for Policy-Based Routing659
- Sample Configuration664
PIM Sparse-Mode (PIM-SM)666
- Implementation Information666
- Protocol Overview666
- Configuring PIM-SM668
  - Related Configuration Tasks668
- Enable PIM-SM668
- Configuring S,G Expiry Timers669
- Configuring a Static Rendezvous Point670
  - Overriding Bootstrap Router Updates670
- Configuring a Designated Router671
- Creating Multicast Boundaries and Domains671
PIM Source-Specific Mode (PIM-SSM)673
- Implementation Information673
  - Important Points to Remember673
- Configure PIM-SSM674
  - Related Configuration Tasks674
- Enabling PIM-SSM674
- Use PIM-SSM with IGMP Version 2 Hosts674
  - Configuring PIM-SSM with Igmpv2675
Port Monitoring677
- Important Points to Remember677
- Port Monitoring678
- Configuring Port Monitoring679
- Configuring Monitor Multicast Queue681
- Enabling Flow-Based Monitoring682
- Remote Port Mirroring683
- Encapsulated Remote Port Monitoring690
  - Changes to Default Behaviorconfiguration Steps for ERPM690
- ERPM Behavior on a Typical Dell Networking os692
  - Decapsulation of ERPM Packets at the Destination IP/ Analyzer692
Per-VLAN Spanning Tree Plus (PVST+)694
- Protocol Overview694
- Implementation Information695
- Configure Per-VLAN Spanning Tree Plus695
  - Related Configuration Tasks695
- Enabling PVST695
- Disabling PVST696
- Influencing PVST+ Root Selection696
- Modifying Global PVST+ Parameters698
- Modifying Interface PVST+ Parameters699
- Configuring an Edgeport700
- PVST+ in Multi-Vendor Networks700
- Enabling PVST+ Extend System ID701
- PVST+ Sample Configurations702
Quality of Service (Qos)704
- Implementation Information706
- Port-Based Qos Configurations706
- Policy-Based Qos Configurations710
- Enabling Qos Rate Adjustment723
- Enabling Strict-Priority Queueing724
- Queue Classification Requirements for PFC Functionality724
- Support for Marking Dot1P Value in L3 Input Qos Policy725
- Weighted Random Early Detection726
- Pre-Calculating Available Qos CAM Space728
- Specifying Policy-Based Rate Shaping in Packets Per Second729
- Configuring Policy-Based Rate Shaping730
- Configuring Weights and ECN for WRED731
  - Global Service Pools with WRED and ECN Settings732
- Configuring WRED and ECN Attributes733
- Guidelines for Configuring ECN for Classifying and Color-Marking Packets734
- Applying Layer 2 Match Criteria on a Layer 3 Interface738
  - Managing Hardware Buffer Statistics739
- Enabling Buffer Statistics Tracking739
Routing Information Protocol (RIP)742
- Protocol Overview742
  - Ripv1742
  - Ripv2742
- Implementation Information743
- Configuration Information743
  - Configuration Task List743
  - RIP Configuration Example750
Remote Monitoring (RMON)756
- Implementation Information756
- Fault Recovery756
Rapid Spanning Tree Protocol (RSTP)760
- Protocol Overview760
- Configuring Rapid Spanning Tree760
  - Related Configuration Tasks760
- Important Points to Remember761
  - RSTP and VLT761
- Configuring Interfaces for Layer 2 Mode761
- Enabling Rapid Spanning Tree Protocol Globally762
- Adding and Removing Interfaces764
- Modifying Global Parameters765
  - Enabling SNMP Traps for Root Elections and Topology Changes766
- Modifying Interface Parameters766
- Enabling SNMP Traps for Root Elections and Topology Changes767
- Influencing RSTP Root Selection767
- Configuring an Edgeport767
- Configuring Fast Hellos for Link State Detection768
Software-Defined Networking (SDN)770
Security771
- AAA Accounting771
  - Configuration Task List for AAA Accounting771
- AAA Authentication773
  - Configuration Task List for AAA Authentication774
- Obscuring Passwords and Keys776
- AAA Authorization777
  - Privilege Levels Overview777
  - Configuration Task List for Privilege Levels777
- Radius781
  - RADIUS Authentication782
  - Configuration Task List for RADIUS783
- Tacacs786
- Protection from TCP Tiny and Overlapping Fragment Attacks789
- Enabling SCP and SSH789
- Telnet797
- VTY Line and Access-Class Configuration797
- Role-Based Access Control799
Service Provider Bridging812
- VLAN Stacking812
- VLAN Stacking Packet Drop Precedence820
- Dynamic Mode Cos for VLAN Stacking822
  - Mapping C-Tag to S-Tag Dot1P Values824
- Layer 2 Protocol Tunneling824
- Provider Backbone Bridging828
Sflow829
- Overview829
- Implementation Information829
  - Important Points to Remember830
- Enabling Extended Sflow830
- Enabling and Disabling Sflow on an Interface831
- Enabling Sflow Max-Header Size Extended831
- Sflow Show Commands833
- Configuring Specify Collectors834
- Changing the Polling Intervals834
- Back-Off Mechanism835
- Sflow on LAG Ports835
- Enabling Extended Sflow835
  - Important Points to Remember836
Simple Network Management Protocol (SNMP)838
- Protocol Overview838
- Implementation Information838
- Snmpv3 Compliance with FIPS838
- Configuration Task List for SNMP840
  - Related Configuration Tasks840
- Important Points to Remember840
- Set up SNMP840
  - Creating a Community841
  - Setting up User-Based Security (Snmpv3)841
- Reading Managed Object Values842
- Writing Managed Object Values843
- Configuring Contact and Location Information Using SNMP844
- Subscribing to Managed Object Value Updates Using SNMP845
- Enabling a Subset of SNMP Traps846
- Enabling an SNMP Agent to Notify Syslog Server Failure848
- Copy Configuration Files Using SNMP849
  - Copying a Configuration File851
  - Copying Configuration Files Via SNMP851
  - Copying the Startup-Config Files to the Running-Config852
  - Copying the Startup-Config Files to the Server Via FTP852
  - Copying the Startup-Config Files to the Server Via TFTP853
  - Copy a Binary File to the Startup-Configuration853
  - Additional MIB Objects to View Copy Statistics854
  - Obtaining a Value for MIB Objects854
- MIB Support to Display the Available Memory Size on Flash855
  - Viewing the Available Flash Memory Size855
- MIB Support to Display the Software Core Files Generated by the System856
  - Viewing the Software Core Files Generated by the System856
- Manage Vlans Using SNMP857
  - Creating a VLAN857
  - Assigning a VLAN Alias857
  - Displaying the Ports in a VLAN858
  - Add Tagged and Untagged Ports to a VLAN858
- Managing Overload on Startup859
- Enabling and Disabling a Port Using SNMP859
- Fetch Dynamic MAC Entries Using SNMP860
- Deriving Interface Indices861
- Monitor Port-Channels862
- Troubleshooting SNMP Operation864
Storm Control865
- Configure Storm Control865
  - Configuring Storm Control from INTERFACE Mode865
  - Configuring Storm Control from CONFIGURATION Mode866
Spanning Tree Protocol (STP)867
- Protocol Overview867
- Configure Spanning Tree867
  - Related Configuration Tasks867
- Important Points to Remember868
- Configuring Interfaces for Layer 2 Mode868
- Enabling Spanning Tree Protocol Globally869
- Adding an Interface to the Spanning Tree Group871
- Modifying Global Parameters872
- Modifying Interface STP Parameters873
- Enabling Portfast873
  - Prevent Network Disruptions with BPDU Guard874
- Selecting STP Root876
- STP Root Guard877
  - Root Guard Scenario877
  - Configuring Root Guard878
- Enabling SNMP Traps for Root Elections and Topology Changes879
- Configuring Spanning Trees as Hitless879
- STP Loop Guard880
  - Configuring Loop Guard881
- Displaying STP Guard Configuration882
Supportassist883
- Configuring Supportassist Using a Configuration Wizard884
- Configuring Supportassist Manually884
- Configuring Supportassist Activity886
- Configuring Supportassist Company887
- Configuring Supportassist Person888
- Configuring Supportassist Server889
- Viewing Supportassist Configuration890
System Time and Date892
- Network Time Protocol892
- Dell Networking os Time and Date899
Tunneling903
- Configuring a Tunnel903
- Configuring Tunnel Keepalive Settings904
- Configuring a Tunnel Interface905
- Configuring Tunnel Allow-Remote Decapsulation905
- Configuring Tunnel Source Anylocal Decapsulation906
- Guidelines for Configuring Multipoint Receive-Only Tunnels906
- Multipoint Receive-Only Tunnels907
Upgrade Procedures908
- Get Help with Upgrades908
Virtual Lans (Vlans)909
- Default VLAN909
- Port-Based Vlans910
- Vlans and Port Tagging910
- Configuration Task List911
- Configuring Native Vlans915
- Enabling Null VLAN as the Default VLAN916
VLT Proxy Gateway917
- Proxy Gateway in VLT Domains917
- Configuring a Static VLT Proxy Gateway922
- Configuring an LLDP VLT Proxy Gateway922
Virtual Link Trunking (VLT)924
- Overview924
  - VLT on Core Switches925
  - Enhanced VLT925
- VLT Terminology926
- Configure Virtual Link Trunking927
- RSTP Configuration937
- PVST+ Configuration950
  - Sample PVST+ Configuration951
- Evlt Configuration Example951
  - Evlt Configuration Step Examples952
- PIM-Sparse Mode Configuration Example954
- Verifying a VLT Configuration954
- Additional VLT Sample Configurations958
- Troubleshooting VLT960
- Reconfiguring Stacked Switches as VLT962
- Specifying VLT Nodes in a PVLAN962
- Configuring a VLT VLAN or LAG in a PVLAN966
  - Creating a VLT LAG or a VLT VLAN966
  - Associating the VLT LAG or VLT VLAN in a PVLAN967
- Proxy ARP Capability on VLT Peer Nodes968
  - Working of Proxy ARP for VLT Peer Nodes969
- VLT Nodes as Rendezvous Points for Multicast Resiliency970
- Configuring VLAN-Stack over VLT971
Virtual Extensible LAN (VXLAN)975
- Overview975
- Components of VXLAN Network976
- Functional Overview of VXLAN Gateway977
- VXLAN Frame Format977
  - Components of VXLAN Frame Format978
- Configuring and Controlling VXLAN from the NVP Controller GUI979
- Configuring Vxlan Gateway981
  - Connecting to an NVP Controller981
  - Advertising VXLAN Access Ports to Controller982
- Displaying VXLAN Configurations984
- VXLAN Service Nodes for BFD985
  - Examples of the Show Bfd Neighbors Command985
Virtual Routing and Forwarding (VRF)986
- VRF Overview986
- VRF Configuration Notes987
  - Dhcp990
- VRF Configuration990
- Sample VRF Configuration994
- Route Leaking Vrfs1002
- Dynamic Route Leaking1002
  - Configuring Route Leaking Without Filtering Criteria1002
  - Configuring Route Leaking with Filtering1006
Virtual Router Redundancy Protocol (VRRP)1009
- VRRP Overview1009
- VRRP Benefits1010
- VRRP Implementation1010
- VRRP Configuration1011
  - Configuration Task List1011
  - Setting VRRP Initialization Delay1021
- Sample Configurations1021
Debugging and Diagnostics1036
- Offline Diagnostics1036
  - Important Points to Remember1036
  - Running Offline Diagnostics1036
- Trace Logs1041
- Auto Save on Crash or Rollover1041
- Hardware Watchdog Timer1041
- Enabling Environmental Monitoring1041
- Buffer Tuning1043
- Troubleshooting Packet Loss1049
- Enabling Application Core Dumps1062
- Mini Core Dumps1063
- Enabling TCP Dumps1064
Standards Compliance1065
- IEEE Compliance1065
- RFC and I-D Compliance1066
- MIB Location1080

Dell S6000–ON - Page 592

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