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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
display dhcp statistics

display dhcp statistics

Function

The display dhcp statistics command displays DHCP message statistics.

Format

display dhcp statistics

Parameters

None

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

The display dhcp statistics command displays statistics about sent and received DHCP messages.

Example

# Display DHCP message statistics.

<Huawei> display dhcp statistics
Input: total 172 packets, discarded 0 packets                                   
  Bootp request           :          0,  Bootp reply             :          0   
  Discover                :          0,  Offer                   :        172   
  Request                 :          0,  Ack                     :          0   
  Release                 :          0,  Nak                     :          0   
  Decline                 :          0,  Inform                  :          0   
                                                                                
  Rx buffers full         :       2978,  L2fdb lookup failed     :         38 
                                                                                
Output: total 172 packets, discarded 0 packets                                  
DHCP AM interact statistics                                                                                                         
 Msg send to AM                                                                                                                     
  Request to AM           :          0,  Realease to AM          :          0                                                       
  Decline to AM           :          0                                                                                              
 Msg receive from AM                                                                                                                
  Request from AM         :          0,  Realease from AM        :          0                                                       
  Decline from AM         :          0                                                                                              
 Drop Reason                                                                                                                        
  Temporary lease full    :          0,  Retransmit too frequent :          0                                                       
  Discover too frequent   :          0,  Request static ip fail  :          0                                                       
  Session does not exist  :          0,  Send ipc msg to AM fail :          0                                                       
  No temporary lease table:          0,  Select req IP invalid   :          0                                                       
  Reboot req IP invalid   :          0,  Renew req IP invalid    :          0                                                       
  Packet unknown          :          0
Table 6-55  Description of the display dhcp statistics command output

Item

Description

Bootp request

Number of BOOTP requests sent by the device that functions as the client.

Bootp reply

Number of BOOTP replies received by the client from the server.

Discover

Number of Discover messages received by the server from the client.

Offer

Number of Offer messages received by the client from the server.

Request

Number of BOOTP requests received by the server from the client.

Ack

Number of ACK messages received by the client from the server.

Release

Number of Release messages received by the server from the client.

Nak

Number of NAK messages received by the client from the server.

Decline

Number of Decline messages sent by the client.

Inform

Number of Inform messages sent by the client.

DHCP AM interact statistics

Statistics about exchange messages between the DHCP module and the AM module.

Msg send to AM

Messages sent to the AM module.

Request to AM

Address request messages sent to the AM module.

Realease to AM

Address release messages sent to the AM module.

Realease to AM

Address conflict messages sent to the AM module.

Msg receive from AM

Messages received from the AM module.

Request from AM

Address request messages received from the AM module.

Realease from AM

Address release messages received from the AM module.

Decline from AM

Address conflict messages received from the AM module.

Drop Reason

Cause of a DHCP message loss.

Drop Reason

Cause of a DHCP message loss.

Temporary lease full

Full temporary lease table.

Retransmit too frequent

Messages that are retransmitted too frequently.

Discover too frequent

Request messages that are sent too frequently.

Request static ip fail

Failure to request a static IP address.

Session does not exist

Session table not existing.

Send ipc msg to AM fail

Failure to send messages to the AM module.

No temporary lease table

Failure to query the temporary lease table.

Select req IP invalid

Invalid requested IP address in the discovery stage.

Reboot req IP invalid

Invalid requested IP address in the two-step login stage.

Renew req IP invalid

Invalid requested IP address in the address lease renewal stage.

Packet unknown

Unknown messages.

Rx buffers full or L2fdb lookup failed

Information displayed when the DHCP service is abnormal. The displayed information includes:

  • Rx buffers full: Total number of DHCP packets discarded because the remaining queue length is shorter than the reserved threshold.
  • L2fdb lookup failed: Total number of DHCP packets discarded because entries fail to be queried.
  • High cpu occupancy: Total number of DHCP packets discarded because the CPU usage is excessively high.
  • Port blocked: Total number of DHCP packets discarded because the inbound interface is blocked.
  • Bad vlan id: Total number of DHCP packets discarded because the VLAN ID is incorrect.
  • Memory exhausted: Total number of DHCP packets discarded because the memory is exhausted.
  • L3if protocol down: Total number of DHCP packets discarded because the Layer 3 protocol of the source interface goes Down.
  • Rate limit: Total number of DHCP packets discarded because rates of the packets exceed the limit.
  • Bad packet length: Total number of DHCP packets discarded because the packet length is incorrect.
  • Bad ip header length: Total number of DHCP packets discarded because the IP header length is incorrect.
  • Bad ip header checksum: Total number of DHCP packets discarded because the checksum of the IP header is incorrect.
  • Bad udp checksum: Total number of DHCP packets discarded because the checksum of the UDP header is incorrect.
  • Hops exceeded: Total number of DHCP packets discarded because the number of next hops is incorrect.
  • Bad magic cookie: Total number of DHCP packets discarded because the magic-cookie field is incorrect.
  • Duplicate option: Total number of DHCP packets discarded because the option fields are duplicate.
  • Bad option length: Total number of DHCP packets discarded because the option field length is incorrect.
  • End option absent: Total number of DHCP packets discarded because of the incorrect end option.
  • Dest-port equals source: Total number of DHCP packets discarded because the source interface is also the outbound interface.
  • Bad chaddr: Total number of DHCP packets discarded because the MAC address of the client is incorrect.
  • Bad giaddr: Total number of DHCP packets discarded because the relay gateway is incorrect.
  • Bad request: Total number of DHCP packets discarded because the request packets are incorrect.
  • Bad reply: Total number of DHCP packets discarded because the response packets are incorrect.
  • Bad dest udp-port: Total number of DHCP packets discarded because the destination interface is incorrect.
  • Bad message type: Total number of DHCP packets discarded because of incorrect destination interfaces.
  • L2fdb lookup failed: Total number of incoming DHCP packets discarded because entries fail to be queried.
  • Max-user limit: Total number of DHCP packets discarded because the maximum number of users is exceeded.
  • Add bindtable failed: Total number of DHCP packets discarded because dynamic binding entries are added.
  • Client transfered: Total number of DHCP packets discarded due to interface flapping.
  • Bad original interface: Total number of DHCP packets discarded because dynamic binding entries are added.
  • Bad client-id: Total number of DHCP packets discarded because the client ID is incorrect.
  • Bad server-id: Total number of DHCP packets discarded because the server ID is incorrect.
  • Bad dest-ip: Total number of DHCP packets discarded because the destination IP address is incorrect.
  • Other error: Total number of DHCP packets discarded due to other reasons.
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Updated: 2019-11-21

Document ID: EDOC1100064352

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