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show dhcp statistics

Syntax

show dhcp statistics<interface interface-name>

Release Information

Command introduced in Junos OS Release 11.3.

Description

Display extended Dynamic Host Configuration Protocol (DHCP) statistics.

Options

interface interface-name
—

(Optional) Show the statistics for DHCP clients on the specified interface. If you do not specify an interface, statistics are cleared for the default interface.

Required Privilege Level

view

 

Related Documentation

 

List of Sample Output

show dhcp statistics

Output Fields

Table 1 lists the output fields for the show dhcp statistics command. Output fields are listed in the approximate order in which they appear.

Table 1: show dhcp statistics Output Fields

Field Name

Field Description

Packets dropped

Number of packets discarded by the extended DHCP local server because of errors. Only nonzero statistics appear in the Packets dropped output. When all of the Packets dropped statistics are 0 (zero), only the Total field appears.

  • Total—Total number of packets discarded by DHCP
  • Bad hardware address—Number of packets discarded because an invalid hardware address was specified
  • Bad opcode—Number of packets discarded because an invalid operation code was specified
  • Bad options—Number of packets discarded because invalid options were specified
  • Invalid server address—Number of packets discarded because an invalid server address was specified
  • No available addresses—Number of packets discarded because there were no addresses available for assignment
  • No interface match—Number of packets discarded because they did not belong to a configured interface
  • No routing instance match—Number of packets discarded because they did not belong to a configured routing instance
  • No valid local address—Number of packets discarded because there was no valid local address
  • Packet too short—Number of packets discarded because they were too short
  • Read error—Number of packets discarded because of a system read error
  • Send error—Number of packets that the extended DHCP local server could not send

Messages received

Number of DHCP messages received.

  • BOOTREQUEST—Number of BOOTP protocol data units (PDUs) received
  • DHCPDECLINE—Number of DHCP PDUs of type DECLINE received
  • DHCPDISCOVER—Number of DHCP PDUs of type DISCOVER received
  • DHCPINFORM—Number of DHCP PDUs of type INFORM received
  • DHCPRELEASE—Number of DHCP PDUs of type RELEASE received
  • DHCPREQUEST—Number of DHCP PDUs of type REQUEST received

Messages sent

Number of DHCP messages sent.

  • BOOTREPLY—Number of BOOTP PDUs transmitted
  • DHCPOFFER—Number of DHCP OFFER PDUs transmitted
  • DHCPACK—Number of DHCP ACK PDUs transmitted
  • DHCPNACK—Number of DHCP NACK PDUs transmitted
  • DHCPFORCERENEW—Number of DHCP FORCERENEW PDUs transmitted

Sample Output

show dhcp statistics

user@host> show dhcp statistics
Packets dropped:
    Total                      0

Messages received:
    BOOTREQUEST                0
    DHCPDECLINE                0
    DHCPDISCOVER               0
    DHCPINFORM                 0
    DHCPRELEASE                0
    DHCPREQUEST                0

Messages sent:
    BOOTREPLY                  0
    DHCPOFFER                  0
    DHCPACK                    0
    DHCPNAK                    0
    DHCPFORCERENEW             0

Published: 2013-03-14

Supported Platforms

 

Related Documentation

 

Published: 2013-03-14

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