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 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

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

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

Sample Output

show dhcp server statistics

user@host> show dhcp server statistics

Packets dropped:
    Total                      30
    Bad hardware address       1
    Bad opcode                 1
    Bad options                3
    Invalid server address     5
    No available addresses     1
    No interface match         2
    No routing instance match  9
    No valid local address     4
    Packet too short           2
    Read error                 1
    Send error                 1

Messages received:
    BOOTREQUEST                89163
    DHCPDECLINE                0
    DHCPDISCOVER               8110
    DHCPINFORM                 0
    DHCPRELEASE                0
    DHCPREQUEST                81053

Messages sent:
    BOOTREPLY                  32420
    DHCPOFFER                  8110
    DHCPACK                    8110
    DHCPNAK                    8100