Technical Documentation

show dhcp server statistics

Syntax

show dhcp server statistics<logical-system logical-system-name><routing-instance routing-instance-name>

Release Information

Command introduced in Junos OS Release 9.0.

Description

Display extended Dynamic Host Configuration Protocol (DHCP) local server statistics.

Options

logical-system logical-system-name

(Optional) Display information about extended DHCP local server statistics on the specified logical system. If you do not specify a logical system, statistics are displayed for the default logical system.

routing-instance routing-instance-name

(Optional) Display information about extended DHCP local server statistics on the specified routing instance. If you do not specify a routing instance, statistics are displayed for the default routing instance.

Required Privilege Level

view

Related Topics

List of Sample Output

show dhcp server statistics

Output Fields

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

Table 1: show dhcp server 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 the extended DHCP local server
  • 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 server statistics

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

Messages received:
    BOOTREQUEST                25
    DHCPDECLINE                0
    DHCPDISCOVER               10
    DHCPINFORM                 0
    DHCPRELEASE                4
    DHCPREQUEST                10

Messages sent:
    BOOTREPLY                  20
    DHCPOFFER                  10
    DHCPACK                    10
    DHCPNAK                    0
    DHCPFORCERENEW             0

Published: 2010-07-27

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