q-Tech QSW-3900 User manual

QTECHSoftwareConfigurationManual
I
QSW-3900EthernetSwitch
User’sManual

QTECHSoftwareConfigurationManual
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Content
Chapter1 AccessingSwitch..................................................................................................................1-13
1.1 Command Line Interface..........................................................................................................1-13
1.1.1 Command Line Configuration Mode......................................................................1-13
1.1.2 Command SyntaxComprehension........................................................................1-15
1.1.3 SyntaxHelp............................................................................................................1-15
1.1.4 Historycommand...................................................................................................1-16
1.1.5 Symbolsincommand.............................................................................................1-16
1.2 Command SymbolsDescription................................................................................................1-16
1.2.1 Command ParameterCategories..........................................................................1-17
1.3 Usermanagement....................................................................................................................1-17
1.3.1 Systemdefault username.....................................................................................1-18
1.3.2 Add user.................................................................................................................1-18
1.3.3 Modifypassword....................................................................................................1-18
1.3.4 Modifyprivilege......................................................................................................1-18
1.3.5 Removeusername................................................................................................1-19
1.3.6 Viewsystemuserinformation................................................................................1-19
1.4 Remoteauthenticationofadministrator.....................................................................................1-19
1.4.1 Start RADIUS/TACACS+remoteauthentication....................................................1-20
1.4.2 Displayauthentication configuration......................................................................1-20
1.5 Waysofmanaging switch.........................................................................................................1-20
1.5.1 Manageswitchbyhyperterminal..........................................................................1-20
1.5.2 Manageswitchbytelnet.........................................................................................1-21
1.6 Briefintroduction ofSSH..........................................................................................................1-21
1.7 SSHConfiguration list..............................................................................................................1-21
1.7.1 Enable/disableSSHfunction ofthe device............................................................1-22
1.7.2 SSHkeyconfiguration............................................................................................1-22
1.7.3 Others.....................................................................................................................1-23
Chapter2 SwitchManageand Maintenance........................................................................................2-24
2.1 SystemIPconfiguration............................................................................................................2-24
2.2 Configuremanage IPinterface.................................................................................................2-24
2.3 Configuration ipaddressbymanualoperation..........................................................................2-24
2.4 Configuration FilesManagement..............................................................................................2-24
2.4.1 Edit configuration files............................................................................................2-24
2.4.2 Modifyand savecurrent configuration...................................................................2-24
2.4.3 Erasesaved configuration.....................................................................................2-25
2.4.4 Executesaved configuration..................................................................................2-25
2.4.5 Displaysaved configuration...................................................................................2-25
2.4.6 Displaycurrent configuration.................................................................................2-25
2.4.7 Configurefileexecutingmode shift........................................................................2-25
2.5 Online Loading Upgrade Program............................................................................................2-26
2.5.1 Upload and download filesbyTFTP......................................................................2-26
2.5.2 Upload and download filesby FTP........................................................................2-26
2.5.3 Download filesbyXmodem...................................................................................2-27
2.6 Reboot.....................................................................................................................................2-28
2.7 SystemMaintenance................................................................................................................2-28
2.7.1 BasicConfiguration andManagement...................................................................2-28
2.7.2 Networkconnectingtest command........................................................................2-29
2.7.3 Loopback test command........................................................................................2-30
2.7.4 Remoteaccess restriction......................................................................................2-30
2.7.5 ThenumberofTelnet userrestriction....................................................................2-30
2.7.6 Routingtracert command.......................................................................................2-31
2.7.7 Packetsratelimit toCPU.......................................................................................2-31

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2.8 MonitorsystembySNMP.........................................................................................................2-32
2.8.1 Briefintroduction ofSNMP.....................................................................................2-32
2.9 SNMPMechanism....................................................................................................................2-32
2.10 SNMPProtocolVersion............................................................................................................2-33
2.11 MIBOverview...........................................................................................................................2-33
2.12 SNMPConfiguration.................................................................................................................2-33
2.12.1 Configurecommunitynameand accessingright...................................................2-34
2.12.2 ConfiguresysContact.............................................................................................2-34
2.12.3 ConfigureTrapdestination host adress.................................................................2-35
2.12.4 ConfiguresysLocation............................................................................................2-35
2.12.5 ConfiguresysName................................................................................................2-35
2.12.6 Configurenotify......................................................................................................2-36
2.12.7 Configureengine id................................................................................................2-36
2.12.8 Configureview........................................................................................................2-37
2.12.9 Configuregroup.....................................................................................................2-37
2.12.10 Configureuser........................................................................................................2-38
2.13 Enable/disabledlfforwordpacket.............................................................................................2-39
2.14 CPUAlarmConfiguration..........................................................................................................2-39
2.14.1 Briefintroduction ofCPUalarm.............................................................................2-39
2.14.2 CPUalarmconfiguration list..................................................................................2-39
2.14.3 Enable/disableCPUalarm.....................................................................................2-39
2.14.4 ConfigureCPUbusyorunbusythreshold.............................................................2-40
2.14.5 DisplayCPUalarminformation..............................................................................2-40
2.15 Anti-DOSAttack.......................................................................................................................2-40
2.15.1 IPsegment anti-attack...........................................................................................2-40
Chapter3 MACaddress tablemanagement.........................................................................................3-41
3.1 Introduction toBridging.............................................................................................................3-41
3.2 MajorFunctionalitiesofBridges................................................................................................3-41
3.2.1 Maintainingthe bridgetable...................................................................................3-41
3.2.2 Forwardingand filtering..........................................................................................3-43
3.3 Briefintroduction ofMACaddress tablemanagement...............................................................3-45
3.4 MACaddress tablemanagementlist........................................................................................3-45
3.5 ConfiguresystemMACaddress aging time..............................................................................3-45
3.6 ConfigureMACaddressitem....................................................................................................3-46
3.6.1 Add MACaddress..................................................................................................3-46
3.6.2 Add blackholeMACaddress..................................................................................3-46
3.6.3 DeleteMACaddress item......................................................................................3-47
3.6.4 DisplayMACaddress table....................................................................................3-47
3.6.5 Enable/disableMACaddress learning...................................................................3-47
3.6.6 DisplayMACaddress learning...............................................................................3-47
3.6.7 ModifyMACaddress learningmode......................................................................3-48
Chapter4 Port Configuration.................................................................................................................4-49
4.1 Port configuration introduction..................................................................................................4-49
4.2 Port Configuration....................................................................................................................4-49
4.2.1 Port related configuration.......................................................................................4-49
4.2.2 Enterinterfaceconfiguration mode........................................................................4-49
4.2.3 Enable/disablespecified interface.........................................................................4-49
4.2.4 Configureinterfaceduplexmode andspeed rate..................................................4-50
4.2.5 InterfacePriorityConfiguration..............................................................................4-50
4.2.6 Interfacedescription configuration.........................................................................4-50
4.2.7 Ingress/egress bandwidth-controlconfiguration....................................................4-51
4.2.8 Enable/disableVLANfiltration ofreceivingpacket ofinterface.............................4-51
4.2.9 Interfaceingress acceptable-frameconfiguration..................................................4-51

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4.2.10 Enable/disableinterfaceflow-control.....................................................................4-51
4.2.11 Port mode configuration.........................................................................................4-52
4.2.12 Trunkallowed VLANconfiguration.........................................................................4-52
4.2.13 Thedefault vlan-idoftrunkport configuration.......................................................4-52
4.2.14 Add access port tospecified VLAN.......................................................................4-52
4.2.15 Displayinterfaceinformation..................................................................................4-53
4.2.16 Display/ clearinterfacestatistics information.........................................................4-53
4.3 Interfacemirror.........................................................................................................................4-53
4.3.1 Briefintroduction ofinterfacemirror.......................................................................4-53
4.3.2 Interfacemirrorconfiguration.................................................................................4-53
4.4 Briefintroduction ofPortLACP.................................................................................................4-54
4.4.1 LACP......................................................................................................................4-54
4.4.2 ManualLinkAggregation.......................................................................................4-55
4.4.3 StaticLACPlinkaggregation..................................................................................4-56
4.5 Load-BalanceinaLinkAggregation Group...............................................................................4-57
4.6 Aggregation PortGroup............................................................................................................4-57
4.7 Linkaggregation configuration..................................................................................................4-57
4.8 InterfaceBPDU-rateconfiguration............................................................................................4-59
4.8.1 Briefintroduction ofinterfaceCAR.........................................................................4-59
4.8.2 Port CARconfiguration command list....................................................................4-59
4.8.3 Enable/disableinterfaceglobally...........................................................................4-59
4.8.4 Enable/disableinterfaceCARon interface............................................................4-59
4.8.5 Configurethe reopen timeofthe port shutdownbyport-car.................................4-59
4.8.6 Configurethe port-car-rate.....................................................................................4-60
4.8.7 Displayport-carinformation...................................................................................4-60
4.9 PortAlarmConfiguration..........................................................................................................4-60
4.9.1 Briefintroduction ofport alarmconfiguration.........................................................4-60
4.9.2 Port alarmconfiguration list...................................................................................4-60
4.9.3 Enable/disableport alarmglobally.........................................................................4-60
4.9.4 Enable/disableport alarmon the port....................................................................4-61
4.9.5 Configurethe exceed thresholdand normalthresholdofport alarm....................4-61
4.9.6 Displayport alarm..................................................................................................4-61
4.10 Shutdown-controlfeature..........................................................................................................4-62
4.11 Interfaceshutdown-controlconfiguration list.............................................................................4-62
4.11.1 Configuration mode and time.................................................................................4-62
4.11.2 Configuration interfaceshutdown-control..............................................................4-62
4.11.3 Displayshutdown-control.......................................................................................4-62
4.12 Portisolation configuration.......................................................................................................4-62
4.13 Stromcontrol configuration.......................................................................................................4-63
Chapter5 VLANConfiguration..............................................................................................................5-64
5.1 Introduction toVLAN................................................................................................................5-64
5.1.1 VLANOverview......................................................................................................5-64
5.1.2 VLANFundamental................................................................................................5-65
5.1.3 VLANClassification................................................................................................5-65
5.1.4 VLANInterface.......................................................................................................5-65
5.1.5 Port-Based and 802.1Q VLAN...............................................................................5-66
5.1.6 Port linktype...........................................................................................................5-66
5.1.7 Default VLAN..........................................................................................................5-66
5.1.8 SuperVLAN...........................................................................................................5-66
5.1.9 VLANinterfacetype...............................................................................................5-66
5.1.10 Default VLAN..........................................................................................................5-67
5.2 VLANconfiguration list.............................................................................................................5-67
5.2.1 Create/deleteVLAN...............................................................................................5-67

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5.2.2 Add/deleteVLANinterface.....................................................................................5-68
5.2.3 Specify/restoreVLANdescription..........................................................................5-68
5.2.4 Configureinterfacetype.........................................................................................5-68
5.2.5 Configureinterfacedefault vlan ID.........................................................................5-68
5.2.6 Configuretagvlan..................................................................................................5-69
5.2.7 DisplayVLANinformation......................................................................................5-69
5.3 Briefintroduction ofGVRP........................................................................................................5-69
5.3.1 GARPprotocol.......................................................................................................5-69
5.3.2 Briefintroduction ofGVRP.....................................................................................5-70
5.3.3 GARPmessagesand timers..................................................................................5-70
5.4 GVRPConfiguration list............................................................................................................5-72
5.4.1 Enable/disableglobalGVRP..................................................................................5-72
5.4.2 Enable/disableGVRPon aport.............................................................................5-73
5.4.3 DisplayGVRP........................................................................................................5-73
5.4.4 Add/deletevlan that canbedynamiclearnt byGVRP...........................................5-73
5.4.5 Displayvlan that canbelearnt byGVRP...............................................................5-73
5.4.6 ExamplesforGVRPconfiguration.........................................................................5-74
5.5 Briefintroduction ofQinQ.........................................................................................................5-74
5.5.1 IntroductiontoQinQ...............................................................................................5-74
5.5.2 ImplementationsofQinQ.......................................................................................5-75
5.5.3 AdjustableTPIDValueofQinQ Frames................................................................5-75
5.6 QinQ configuration list..............................................................................................................5-76
5.6.1 ConfigureglobalQinQ............................................................................................5-76
5.6.2 ConfigureQinQ mode ofinterface.........................................................................5-76
5.6.3 ConfigureinterfacedynamicQinQ.........................................................................5-77
5.6.4 Enable/disablevlan-swap......................................................................................5-77
5.6.5 Configureglobalvlan-swap....................................................................................5-78
5.6.6 Configurerewrite-outer-vlan..................................................................................5-78
5.6.7 DisplaydynamicQinQ............................................................................................5-78
5.6.8 Displayvlan-swap..................................................................................................5-79
5.6.9 Displayrewrite-outer-vlan......................................................................................5-79
Chapter6 Layer3Configuration...........................................................................................................6-80
6.1 Brief Introduction of Layer3switching......................................................................................6-80
6.2 Layer3Cnfiguration list............................................................................................................6-80
6.2.1 VLANdivision and thecreation oflayer3interface...............................................6-80
6.2.2 Transmission mode configuration..........................................................................6-80
6.2.3 CreateVLANinterfacefornormalVLAN...............................................................6-81
6.2.4 CreatesuperVLANinterfaceand add VLANtosuperVLAN..................................6-81
6.2.5 ConfigureIPaddress forVLANinterfaceorsuperVLANinterface........................6-81
6.2.6 ConfigureaccessingIPaddress rangeofVLANorsuperVLAN
interface6-81
6.2.7 ARPproxyconfiguration........................................................................................6-82
6.2.8 Displayinterfaceconfiguration...............................................................................6-82
6.3 Briefintroduction ofstaticrouting..............................................................................................6-82
6.3.1 Default Route.........................................................................................................6-82
6.3.2 Application Environment ofStaticRouting.............................................................6-83
6.4 Staticrouting configuration list..................................................................................................6-83
6.4.1 Add/deletestaticroute...........................................................................................6-83
6.4.2 Displayroutetableinformation..............................................................................6-83
Chapter7 RIPConfiguration..................................................................................................................7-84
7.1 Briefintroduction ofRIP............................................................................................................7-84
7.2 RIPOverview...........................................................................................................................7-84
7.2.1 RIPWorkingMechanism........................................................................................7-85

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7.2.2 RIPVersion............................................................................................................7-86
7.2.3 RIPMessageFormat.............................................................................................7-86
7.2.4 TRIP.......................................................................................................................7-87
7.2.5 ProtocolsandStandards........................................................................................7-88
7.3 RIPconfiguration list.................................................................................................................7-88
7.3.1 EnableRIP.............................................................................................................7-89
7.3.2 SpecifyIPnetworktorun RIPprotocol..................................................................7-89
7.3.3 RIPworkingstatusofspecified interface...............................................................7-89
7.3.4 RIPversion ofspecified interface..........................................................................7-89
7.3.5 Enablehost routing................................................................................................7-90
7.3.6 Enablerouteconvergence.....................................................................................7-90
7.3.7 Configureauthentication toRIPpacket.................................................................7-90
7.3.8 Configuresplit........................................................................................................7-90
7.3.9 Configuremetricin..................................................................................................7-91
7.3.10 Define prefixlist......................................................................................................7-91
7.3.11 Configureredistribution..........................................................................................7-91
7.3.12 Configuredistribute-list..........................................................................................7-91
7.3.13 DisplayRIPconfiguration.......................................................................................7-92
Chapter8 OSPFConfiguration..............................................................................................................8-93
8.1 Briefintroduction ofOSPF........................................................................................................8-93
8.1.1 BasicConcepts......................................................................................................8-94
8.1.2 OSPFArea Partition and RouteSummarization....................................................8-95
8.1.3 Classification ofOSPFNetworks.........................................................................8-100
8.1.4 DR and BDR.........................................................................................................8-101
8.1.5 OSPFPacket Formats.........................................................................................8-102
8.1.6 Supported OSPFFeatures..................................................................................8-109
8.1.7 ProtocolsandStandards......................................................................................8-111
8.2 OSPF Configuration list...........................................................................................................8-111
8.2.1 Enable/disableOSPF...........................................................................................8-112
8.2.2 ConfigurerouterID...............................................................................................8-112
8.2.3 Specifyinterfaceandarea id................................................................................8-112
8.2.4 Configurearea authentication type......................................................................8-112
8.2.5 Configureinterfacetype.......................................................................................8-113
8.2.6 Configureinterfacecost.......................................................................................8-113
8.2.7 Configureprioritywhen selectingDR..................................................................8-114
8.2.8 ConfigureHellotimeinterval................................................................................8-114
8.2.9 Configureinterfaceinvalidtimeofneighbourrouters..........................................8-115
8.2.10 Configureretransmission LSAtimeintervalofneighborrouter...........................8-115
8.2.11 Configuretimeneeded when interfacesendinglinkstateupdate
packet..............................................................................................................................8-115
8.2.12 Configurepacket authenticationkey....................................................................8-116
8.2.13 ConfigureSTUBarea ofOSPF............................................................................8-116
8.2.14 ConfigurerouteconvergenceinOSPF................................................................8-117
8.2.15 ConfigureOSPFvirtualconnection......................................................................8-117
8.2.16 Configurerouteintroduced byOSPFotherrouteprotocol..................................8-118
8.2.17 ConfigureOSPFintroduceddefault route............................................................8-118
8.2.18 Configureexternalrouteparameterreceived byOSPF......................................8-119
8.2.19 OSPFmonitorand maintain.................................................................................8-119
Chapter9 BGPConfiguration..............................................................................................................9-120
9.1 Brief Introduction of BGP........................................................................................................9-120
9.2 BGPConfiguration.................................................................................................................9-120
9.2.1 Enable/disableBGP.............................................................................................9-121
9.2.2 ConfigureBGPpeer.............................................................................................9-121

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9.2.3 ConfigureBGPtimer............................................................................................9-122
9.2.4 Configurelocalpreference...................................................................................9-123
9.2.5 ConfigureAS MED...............................................................................................9-123
9.2.6 CompareMEDfromdifferentAS neighbors........................................................9-123
9.2.7 ConfigureBGProuteaggregation........................................................................9-124
9.2.8 Configurerouteinformation ofIGPprotocolintroduced byBGP.........................9-124
9.2.9 ConfigureBGPdistribution list.............................................................................9-124
9.2.10 Define AS pathlist................................................................................................9-124
9.2.11 BGPmonitorand maintenance............................................................................9-125
Chapter10 Multicast ProtocolConfiguration.......................................................................................10-127
10.1 Multicast overview................................................................................................................10-127
10.1.1 MulticastAddress...............................................................................................10-127
10.2 GMRPOverview...................................................................................................................10-129
10.3 GMRPConfiguration............................................................................................................10-129
10.3.1 GMRPConfiguration list.....................................................................................10-129
10.3.2 Enable/disableglobalGMRP.............................................................................10-129
10.3.3 Enable/disableGMRPon aport........................................................................10-130
10.3.4 DisplayGMRP....................................................................................................10-130
10.3.5 Add/deletemulticast that canbedynamiclearnt byGMRP..............................10-130
10.3.6 Displaymulticast that can belearnt byGMRP..................................................10-131
10.4 IGMPSnooping Overview....................................................................................................10-131
10.4.1 IGMPSnooping..................................................................................................10-131
10.4.2 BasicConceptsinIGMPSnooping....................................................................10-132
10.4.3 HowIGMPSnoopingWorks..............................................................................10-133
10.4.4 ProcessingofMulticast ProtocolMessages......................................................10-134
10.4.5 ProtocolsandStandards....................................................................................10-137
10.5 IGMPSnooping configuration...............................................................................................10-137
10.5.1 IGMPSnoopingmulticast interfaceagingtimeconfiguration............................10-137
10.5.2 IGMPSnoopingmax-response-timeconfiguration............................................10-138
10.5.3 IGMPSnoopinginterfacefast-leaveconfiguration............................................10-138
10.5.4 Configurethe numberofthe multicast groupallowed learning.........................10-138
10.5.5 IGMPSnoopingpermit/denygroupconfiguration..............................................10-138
10.5.6 IGMPSnoopingroute-port forwardconfiguration..............................................10-138
10.5.7 Enable/disableIGMPSnoopingquerier.............................................................10-139
10.5.8 ConfigureIGMPSnoopingquery-interval..........................................................10-139
10.5.9 ConfigureIGMPSnoopingqueriervlan.............................................................10-139
10.5.10 ConfigureIGMPSnoopingquerymaxresponse...............................................10-139
10.5.11 ConfigureIGMPSnoopingquerysourceIP.......................................................10-140
10.5.12 ConfigureIGMPSnoopingrouteport aging.......................................................10-140
10.5.13 Add IGMPSnoopingrouteport..........................................................................10-140
10.6 StaticMulticast Configuration................................................................................................10-140
10.6.1 Briefintroduction ofStaticMulticast...................................................................10-140
10.6.2 StaticMulticast Configuration.............................................................................10-141
10.6.3 Createmulticast group.......................................................................................10-141
10.6.4 Add interfacestomulticastgroup.......................................................................10-141
10.6.5 Displaymulticast groupinformation...................................................................10-141
10.6.6 Deleteinterfacemembersfrommulticast group................................................10-142
10.6.7 Deletemulticast group.......................................................................................10-142
10.7 Cross-VLANmulticast Configuration.....................................................................................10-142
10.7.1 BriefIntroduction ofCross-Vlan multicast..........................................................10-142
10.7.2 Cross-VLANMulticast Configuration.................................................................10-142
10.7.3 Enable/disablecross-vlan multicast...................................................................10-143
10.7.4 Configuretag/untagattribution ofmulticast packet transmission and

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vlan-idofthe tagged attribution..........................................................................................10-143
10.7.5 Displaycross-vlan multicast...............................................................................10-143
Chapter11 DHCPConfiguration.........................................................................................................11-144
11.1 Briefintroduction ofDHCP.....................................................................................................11-144
11.2 Technical details....................................................................................................................11-145
11.2.1 DHCPdiscovery.................................................................................................11-145
11.2.2 DHCPoffers.......................................................................................................11-145
11.2.3 DHCPrequests..................................................................................................11-145
11.2.4 DHCPacknowledgement...................................................................................11-146
11.2.5 DHCPinformation..............................................................................................11-146
11.2.6 DHCPreleasing..................................................................................................11-146
11.2.7 Client configuration parameters.........................................................................11-146
11.2.8 Options...............................................................................................................11-146
11.2.9 DHCPIPAddress Assignment...........................................................................11-146
11.3 DHCPserverconfiguration list...............................................................................................11-149
11.3.1 EnableDHCPrelay............................................................................................11-150
11.3.2 ConfigureDHCPserver.....................................................................................11-150
11.3.3 SpecifyDHCPserverforlayer3interface.........................................................11-150
11.3.4 DisplayDHCPserverconfiguration...................................................................11-150
11.3.5 Hide DHCPserver..............................................................................................11-151
11.4 LocalIPAddress PoolConfiguration......................................................................................11-151
11.4.1 EnterIPaddress poolconfiguration mode.........................................................11-151
11.4.2 Configuregatewayand netmask oflocalIPaddress pool................................11-152
11.4.3 ConfigurelocalIPaddress poolnetworkinterface............................................11-152
11.4.4 Disable/enablespecified IPaddress inIPaddress pool....................................11-152
11.4.5 Configureleasetime..........................................................................................11-153
11.4.6 ConfigureDNS...................................................................................................11-153
11.4.7 ConfigureWINS.................................................................................................11-153
11.4.8 DisplayIPaddress poolconfiguration................................................................11-153
11.4.9 Configureip-bind................................................................................................11-154
11.4.10 Displayip-bind....................................................................................................11-154
11.4.11 Add dhcpclient...................................................................................................11-154
11.4.12 Showdhcpclient................................................................................................11-154
11.5 Introduction toDHCPRelayAgent.........................................................................................11-154
11.5.1 UsageofDHCPRelayAgent.............................................................................11-154
11.5.2 DHCPRelayAgent Fundamentals.....................................................................11-155
11.5.3 Option 82 Supporting.........................................................................................11-156
11.6 DHCPrelayconfiguration list.................................................................................................11-158
11.6.1 EnableDHCPrelay............................................................................................11-158
11.6.2 Configurevlan interface.....................................................................................11-159
11.6.3 Support relayoption82.......................................................................................11-159
11.7 Introduction DHCPsnooping.................................................................................................11-159
11.8 DHCPsnooping configuration list..........................................................................................11-161
11.8.1 EnableDHCPsnooping.....................................................................................11-161
11.8.2 Configuretrust ports...........................................................................................11-161
11.8.3 Configuremaxhost number...............................................................................11-161
11.8.4 ConfigureIPsourceguard.................................................................................11-161
11.8.5 ShowDHCPsnoopingofports..........................................................................11-161
11.8.6 ShowDHCPsnoopingconfiguration ofVLANs.................................................11-161
11.8.7 Showinformation ofclients................................................................................11-161
Chapter12 ARPConfiguration............................................................................................................12-162
12.1 Brief Introduction ofARP......................................................................................................12-162
12.1.1 ARPannouncements.........................................................................................12-163

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12.1.2 ARPprobe..........................................................................................................12-163
12.1.3 ARPmediation...................................................................................................12-163
12.1.4 Variantsofthe protocol......................................................................................12-163
12.1.5 InverseARPand ReverseARP.........................................................................12-163
12.2 ARPspoofing.......................................................................................................................12-164
12.2.1 HowARPspooingworks?..................................................................................12-164
12.2.2 ARPSpoofing/poising Animation.......................................................................12-164
12.3 ARP-Proxy...........................................................................................................................12-164
12.4 Anti-floodARP......................................................................................................................12-165
12.5 ARPconfiguration list...........................................................................................................12-165
12.5.1 Add and deleteARPtableitem..........................................................................12-165
12.5.2 DisplayARPtableitem.......................................................................................12-165
12.5.3 ConfigureARPagingtime..................................................................................12-166
12.5.4 DisplayARPagingtime......................................................................................12-166
12.5.5 DisplayARPtableitem.......................................................................................12-166
12.5.6 Enable/disableARPanti-flood attack.................................................................12-166
12.5.7 ConfiguredenyactionandthresholdofARPanti-flood.....................................12-167
12.5.8 ConfigureARPanti-flood recover-time............................................................12-167
12.5.9 ARPanti-flood MACrecover..............................................................................12-167
12.5.10 DisplayARPanti-flood attack information.......................................................12-168
12.5.11 Bind blackholemacgenerated byarpanti-flood tobegeneral.........................12-168
12.5.12 Enable/disableARPanti-spoofing......................................................................12-168
12.5.13 ConfigureunknownARPpacket handlingstrategy...........................................12-168
12.5.14 Enable/disableARPanti-spoofingvalid-check..................................................12-169
12.5.15 Enable/disableARPanti-spoofingdeny-disguiser.............................................12-169
12.5.16 DisplayARPanti-spoofing...............................................................................12-169
12.5.17 Configuretrust port ofARPanti-attack..............................................................12-170
Chapter13 ACLConfiguration.............................................................................................................13-171
13.1 ACLOverview......................................................................................................................13-171
13.1.1 ACLMatchOrder...............................................................................................13-171
13.1.2 WaystoApplyACLon aSwitch.........................................................................13-172
13.1.3 ACLsBased on TimeRanges............................................................................13-172
13.2 ConfiguringACL...................................................................................................................13-173
13.2.1 Matchingorderconfiguration.............................................................................13-173
13.2.2 ACLsupport.......................................................................................................13-173
13.3 ACLconfiguration.................................................................................................................13-174
13.3.1 Configuration list................................................................................................13-174
13.3.2 Configuretimerange..........................................................................................13-174
13.3.3 StandardACL.....................................................................................................13-175
13.3.4 Define extendedACL.........................................................................................13-175
13.3.5 Define layer2ACL.............................................................................................13-176
13.3.6 ActivateACL.......................................................................................................13-177
13.3.7 Monitorand maintanenceofACL.......................................................................13-177
Chapter14 QOSConfiguration...........................................................................................................14-179
14.1 Briefintroduction ofQOS......................................................................................................14-179
14.1.1 Flow....................................................................................................................14-179
14.1.2 Trafficclassification............................................................................................14-179
14.1.3 Access controllist..............................................................................................14-179
14.1.4 Packet filtration...................................................................................................14-179
14.1.5 Flowmonitor.......................................................................................................14-180
14.1.6 Interfacespeed limitation...................................................................................14-180
14.1.7 Redirection.........................................................................................................14-180
14.1.8 Prioritymark.......................................................................................................14-180

QTECHSoftwareConfigurationManual
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14.1.9 Chooseinterfaceoutputtingqueue forpacket...................................................14-180
14.1.10 Queue scheduler................................................................................................14-180
14.1.11 cos-map..............................................................................................................14-181
14.1.12 Flowmirror.........................................................................................................14-181
14.1.13 Statistics based onflow......................................................................................14-181
14.1.14 Copypacket toCPU...........................................................................................14-181
14.2 QOSConfiguration...............................................................................................................14-181
14.2.1 QoSConfiguration list........................................................................................14-181
14.2.2 Packet redirection configuration.........................................................................14-181
14.2.3 Priorityconfiguration..........................................................................................14-182
14.2.4 Queue-schedulerconfiguration..........................................................................14-182
14.2.5 The cos-maprelationshipofhardwarepriorityqueue and priorityof
IEEE802.1pprotocol...........................................................................................................14-182
14.2.6 Flowmirrorconfiguration....................................................................................14-183
14.2.7 Flowstatisticconfiguration.................................................................................14-183
14.3 Monitorand maintenanceofQoS.........................................................................................14-183
Chapter15 STPConfiguration............................................................................................................15-185
15.1 Briefintroduction ofSTPConfiguration.................................................................................15-185
15.1.1 IntroductiontoSTP............................................................................................15-185
15.1.2 IntroductiontoMSTP.........................................................................................15-192
15.1.3 ProtocolsandStandards....................................................................................15-196
15.2 STPConfiguration................................................................................................................15-196
15.2.1 STPConfiguration list........................................................................................15-196
15.2.2 Enable/disableSTP............................................................................................15-197
15.2.3 Enable/disableinterfaceSTP.............................................................................15-197
15.2.4 ConfigureSTPpriority........................................................................................15-197
15.2.5 ConfigureswitchForwardDelay........................................................................15-198
15.2.6 ConfigureHelloTime..........................................................................................15-198
15.2.7 ConfigureMaxAge.............................................................................................15-198
15.2.8 Configurepathcost ofspecified interfaces........................................................15-199
15.2.9 ConfigureSTPpriorityod specified port............................................................15-199
15.2.10 Configurespanning-tree root-guard...................................................................15-199
15.2.11 Configureinterfacetoforcetosend rstppacket................................................15-200
15.2.12 Configurelinktypeofspecified interface...........................................................15-200
15.2.13 Configurethe current port asanedgeport........................................................15-200
15.2.14 Configurethe speed limit ofsendingBPDU ofspecified interface....................15-200
15.2.15 STPmonitorandmaintainenance......................................................................15-201
15.2.16 Enable/disableSTPremote-loop-detect............................................................15-202
15.3 Brief Introduction of MSTP....................................................................................................15-202
15.4 MSTPConfiguration.............................................................................................................15-202
15.4.1 MSTPconfiguration list......................................................................................15-202
15.4.2 ConfigureMSTPtimerparameter......................................................................15-203
15.4.3 ConfigureMSTPconfiguration mark..................................................................15-203
15.4.4 ConfigureMSTPnetbridgepriority.....................................................................15-203
15.4.5 ConfigureMSTPinterfaceedgeinterfacestatus...............................................15-204
15.4.6 ConfigureMSTPinterfacelinktype...................................................................15-204
15.4.7 ConfigureMSTPinterfacepathcost..................................................................15-204
15.4.8 ConfigureMSTPinterfacepriority......................................................................15-204
15.4.9 Configurespanning-tree mst root-guard............................................................15-205
15.4.10 DisplayMSTPconfiguration information............................................................15-205
15.4.11 Enable/disabledigest snooping.........................................................................15-205
15.4.12 ConfigureIgnoreofVLAN..................................................................................15-205
Chapter16 802.1XConfiguration Command......................................................................................16-207