D-Link xStack DGS-3420 Series

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xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch CLI Reference Guide

253

Format

debug stp show information

Parameters

None.

Restrictions

Only Administrator level users can issue this command.

Example

To show STP debug information:

Main Page

Default Chapter2
- Table of Contents2
Chapter 1 Using Command Line Interface6
- Accessing the Switch Via the Serial Port6
- Setting the Switch's Ip Address7
- Command Syntax Symbols11
- Line Editing Keys12
Chapter 2 Basic Management Commands14
- Create Account14
- Enable Password Encryption16
- Disable Password Encryption16
- Config Account17
- Show Account18
- Delete Account19
- Show Session19
- Show Switch20
- Show Environment21
- Config Temperature22
- Config Temperature Threshold23
- Enable Clipaging25
- Disable Clipaging26
- Enable Telnet27
- Disable Telnet27
- Enable Web28
- Disable Web29
- Config Terminal Width34
- Show Terminal Width35
Chapter 3 802.1X Commands37
- Config Radius Add52
- Config Radius Delete53
- Config Radius54
- Show Radius55
Chapter 4 Access Authentication Control (AAC) Commands63
- Config Authen Application75
- Show Authen Application76
- Config Authen Parameter Attempt84
- Show Authen Parameter85
- Enable Admin86
- Show Aaa90
- Config Accounting Service104
- Show Accounting107
- Show Accounting Service108
Chapter 5 Access Control List (ACL) Commands109
Chapter 6 Access Control List (ACL) Egress Command List139
Chapter 7 ARP Commands158
- Delete Arpentry159
- Config Arpentry159
- Show Arpentry161
- Clear Arptable162
- Show Ipfdb162
Chapter 8 ARP Spoofing Prevention Commands164
Chapter 9 Asymmetric VLAN Commands166
Chapter 10 Auto Configuration Commands169
- Disable Autoconfig170
Chapter 11 Basic IP Commands172
- Create Ipif174
- Delete Ipif175
- Enable Ipif176
- Disable Ipif177
- Show Ipif177
Chapter 12 BPDU Attack Protection Commands183
Chapter 13 Cable Diagnostics Commands189
Chapter 14 CFM Commands192
- Create Cfm MD193
- Config Cfm MD194
- Create Cfm Ma195
- Config Cfm Ma195
- Create Cfm Mep197
- Config Cfm Mep198
- Delete Cfm Mep200
- Delete Cfm Ma200
- Delete Cfm MD201
- Enable Cfm202
- Disable Cfm203
- Config Cfm Ports203
- Show Cfm Ports204
- Show Cfm205
- Show Cfm Fault206
- Show Cfm Port206
- Cfm Loopback208
- Cfm Linktrace210
- Show Cfm Linktrace211
- Delete Cfm Linktrace212
- Show Cfm Mipccm214
Chapter 15 Command List History Commands222
Chapter 16 Command Logging Command List226
- Disable Command Logging227
- Show Command Logging227
Chapter 17 Common Unicast Routing Command List229
Chapter 18 Compound Authentication Commands235
- Config Authentication Ports238
- Show Authentication240
- Show Authentication Ports241
- Enable Authorization Attributes242
- Disable Authorization Attributes243
- Show Authorization243
- Config Authentication Server Failover244
Chapter 19 Debug Software Command List246
- Debug Buffer250
- Debug Output251
- Debug Config State253
- Debug Stp Clear Counter254
- Debug Stp Config Ports255
- Debug Stp Show Counter255
- Debug Stp Show Flag256
- Debug Stp Show Information257
- Debug Stp State260
- Debug Show Status271
- Debug Vrrp276
- Debug Vrrp State282
Chapter 20 DHCP Local Relay Commands283
Chapter 21 DHCP Relay Commands287
Chapter 22 DHCP Server Commands305
- Clear Dhcp Binding325
- Show Dhcp Binding326
Chapter 23 DHCP Server Screening Commands337
Chapter 24 Dhcpv6 Relay Command List350
Chapter 25 Dhcpv6 Server Commands355
Chapter 26 Digital Diagnostic Monitoring (DDM) Commands371
- Show DDM375
Chapter 27 Domain Name System (DNS) Relay Commands379
Chapter 28 Domain Name System (DNS) Resolver Commands384
Chapter 29 Dos Attack Prevention Commands391
Chapter 30 D-Link Unidirectional Link Detection (DULD) Commands396
Chapter 31 Energy Efficient Ethernet (EEE) Commands399
Chapter 32 Ethernet Ring Protection Switching (ERPS) Commands401
Chapter 33 External Alarm Commands411
Chapter 34 FDB Commands413
- Create Fdb Vlanid414
- Delete Fdb417
- Clear Fdb418
- Show Fdb420
Chapter 35 File System Management Commands422
- Change Drive431
Chapter 36 Filter Commands432
Chapter 37 Gratuitous ARP Commands435
Chapter 38 IGMP Proxy Commands441
Chapter 39 IGMP Snooping Commands446
- Disable] | Fast_Leave [Enable | Disable] | Proxy_Reporting {State [Enable | Disable] | Source_Ip447
- Ipaddr>}(1)447
Config Igmp_Snooping Querier [Vlan_Name <Vlan_Name 32> | Vlanid <Vlanid_List> | All] {Query_Interval <Sec 1-65535> | Max_Response_Time <Sec 1-25> | Robustness_Variable448
Enable Igmp_Snooping451
Config Igmp_Snooping Rate_Limit [Ports <Portlist> | Vlanid <Vlanid_List>] [<Value 1-1000> | No_Limit]456
39-23 Show Igmp_Snooping Forward_Lookup_Mode467
Config Igmp_Snooping470
Chapter 40 IGMP Snooping Multicast (ISM) VLAN Commands470
Chapter 41 Ipv4/Ipv6 Routing Commands482
- Delete Iproute483
- Show Iproute484
- Create Ipv6Route485
- Delete Ipv6Route485
- Show Ipv6Route486
Chapter 42 IP Tunnel Commands490
Chapter 43 Ipv6 NDP Commands500
- Show Ipv6 Nd505
Chapter 44 IP-MAC-Port Binding (IMPB) Commands507
Chapter 45 Japanese Web-Based Access Control (JWAC) Commands534
Chapter 46 Jumbo Frame Commands559
Chapter 47 LACP Configuration Commands562
Chapter 48 Layer 2 Protocol Tunneling (L2PT) Command List564
Chapter 49 Limited Multicast IP Address Commands569
Chapter 50 Link Aggregation Commands578
Chapter 51 LLDP Commands583
- Disable Lldp584
- Config Lldp585
- Show Lldp586
- Config Lldp Ports588
- Show Lldp Ports593
- Show Lldp Statistics604
- Show Lldp Statistics Ports605
Chapter 52 Loopback Detection Commands607
- Config Loopdetect Ports608
- Enable Loopdetect609
- Disable Loopdetect610
- Show Loopdetect610
- Show Loopdetect Ports611
Chapter 53 Loopback Interface Commands615
Chapter 54 MAC Notification Commands619
Chapter 55 MAC-Based Access Control Commands624
Chapter 56 Mirror Commands641
- Enable Mirror644
- Disable Mirror645
- Show Mirror645
Chapter 57 MLD Proxy Commands647
Chapter 58 MLD Snooping Commands652
Chapter 59 MLD Snooping Multicast (MSM) VLAN Commands673
Chapter 60 Modify Login Banner and Prompt Commands685
Chapter 61 Network Load Balancing (NLB) Commands689
- Show Nlb Fdb691
Chapter 62 Network Management Commands695
- Disable Snmp696
- Show Snmp697
- Enable Snmp Traps703
- Disable Snmp Traps703
- Show Snmp Traps707
- Config Rmon Trap711
- Show Rmon712
Chapter 63 Network Monitoring Commands714
- Show Error Ports715
- Show Utilization Dram718
- Show Utilization Flash718
- Clear Counters719
- Clear Log720
- Show Log720
- Enable Syslog724
- Disable Syslog724
- Show Syslog725
- Config Syslog Host725
- Create Syslog Host727
- Delete Syslog Host728
- Show Syslog Host729
Chapter 64 OAM Commands734
Chapter 65 Packet Storm Commands742
- Show Traffic Control746
Chapter 66 Password Recovery Commands748
Chapter 67 Policy Route Commands751
Chapter 68 Port Security Commands755
Chapter 69 Power over Ethernet (Poe) Commands764
- Config Poe System765
- Show Poe Ports766
- Show Poe System768
Chapter 70 Power Saving Commands769
Chapter 71 Precision Time Protocol (PTP) Commands776
- Chapter 4 Protocol VLAN Commands795
- Show Port Dot1V800
- Chapter 5 Qos Commands801
  - Config Scheduling805
  - Show Scheduling807
  - Config Dscp Map815
  - Show Dscp Map816
  - Config Dscp Trust817
  - Show Dscp Trust818
- Chapter 6 Q-In-Q Command819
  - Disable Qinq820
  - Show Qinq821
  - Config Qinq Ports821
  - Show Qinq Ports823
- Chapter 7 Routing Information Protocol (RIP) Command List833
- Enable Rip833
- Chapter 8 Ripng Commands838
- Chapter 9 RSPAN Commands842
  - Create Rspan Vlan843
  - Delete Rspan Vlan844
  - Config Rspan Vlan845
  - Show Rspan846
- Chapter 10 Safeguard Engine Commands849
- Chapter 11 Secure File Transfer Protocol (SFTP) Commands852
- Chapter 12 Sflow Commands855
  - Disable Sflow856
  - Show Sflow856
- Chapter 13 Single IP Management Commands867
- Chapter 14 SMTP Commands877
- Chapter 15 Snmpv1/V2/V3 Commands883
  - Delete Snmp User884
  - Show Snmp User885
  - Show Snmp Groups886
  - Create Snmp View887
  - Delete Snmp View888
  - Show Snmp View888
  - Create Snmp Community889
  - Delete Snmp Community890
  - Show Snmp Community891
  - Config Snmp Engineid892
  - Show Snmp Engineid893
  - Create Snmp Group893
  - Delete Snmp Group894
  - Create Snmp895
  - Delete Snmp896
  - Show Snmp Host896
  - Show Snmp V6Host897
- Chapter 16 Spanning Tree Protocol (STP) Commands903
  - Show Stp Instance904
  - Show Stp Ports905
  - Enable Stp910
  - Disable Stp910
  - Config Stp Version911
  - Config Stp Priority912
  - Config Stp913
  - Config Stp Ports914
- Chapter 17 SSH Commands917
  - Show Ssh Algorithm918
  - Config Ssh Authmode919
  - Show Ssh Authmode920
  - Config Ssh User920
  - Config Ssh Server922
  - Enable Ssh923
  - Disable Ssh923
  - Show Ssh Server924
- Chapter 18 SSL Commands928
  - Enable Ssl929
  - Disable Ssl930
  - Show Ssl931
  - Show Ssl Cachetimeout932
  - Config Ssl Cachetimeout932
- Chapter 19 Stacking Commands935
- Chapter 20 Static MAC-Based VLAN Commands942
- Chapter 21 Static Replication Commands945
- Chapter 22 Subnet VLAN Commands953
- Chapter 23 Switch Port Commands959
- Show Ports961
- Chapter 24 System Severity Commands963
- Chapter 25 Tech Support Commands965
- Chapter 26 Time and SNTP Commands968
  - Show Sntp969
  - Enable Sntp970
  - Disable Sntp971
  - Config Time971
  - Config Dst973
  - Show Time974
- Chapter 27 Traffic Segmentation Commands976
- Chapter 28 UDP Helper Commands978
- Chapter 29 Utility Commands984
  - Config Firmware Image995
  - Config Configuration996
  - Show Config996
- Chapter 30 Virtual Router Redundancy Protocol (VRRP) Commands1011
  - Enable Vrrp1011
  - Disable Vrrp1012
  - Show Vrrp1016
- Chapter 31 Voice VLAN Commands1018
- Chapter 32 VLAN Commands1028
  - Create Vlan Vlanid1029
  - Delete Vlan1030
  - Delete Vlan Vlanid1031
  - Config Vlan1031
  - Config Vlan Vlanid1032
  - Config Gvrp1035
  - Enable Gvrp1036
  - Disable Gvrp1037
  - Show Vlan1038
  - Show Vlan Vlanid1039
  - Show Vlan Ports1040
  - Show Gvrp1040
- Chapter 33 VLAN Trunking Commands1046
- Chapter 34 Web-Based Access Control (WAC) Commands1051
  - Disable Wac1052
  - Config Wac Authorization Attributes1053
  - Config Wac Ports1053
  - Config Wac Method1054
  - Create Wac User1058
  - Config Wac User1059
  - Show Wac1060
  - Show Wac Ports1061
  - Show Wac User1062
- Chapter 35 Weighted Random Early Detection (WRED) Commands1066
Appendix A Password Recovery Procedure1074
Appendix B System Log Entries1076
Appendix C Trap Entries1108
Appendix Dradius Attributes Assignment1114

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