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clear dhcp relay statistics

Syntax

clear dhcp relay statistics
<logical-system logical-system-name>
<routing-instance routing-instance-name>

Release Information

Command introduced in JUNOS Release 8.3.

Description

Clear all Dynamic Host Configuration Protocol (DHCP) relay statistics.

Options

logical-system logical-system-name — (Optional) Perform this operation on the specified logical system. If you do not specify a logical system name, statistics are cleared for the default logical system.

routing-instance routing-instance-name — (Optional) Perform this operation on the specified routing instance. If you do not specify a routing instance name, statistics are cleared for the default routing instance.

Required Privilege Level

view

List of Sample Output

clear dhcp relay statistics

Output Fields

Table 136 lists the output fields for the clear dhcp relay statistics command.

Table 136: clear dhcp relay statistics Output Fields

Field Name

Field Description

Packets dropped

Number of packets discarded by the extended DHCP relay agent application due to 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 relay agent application.
  • 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 relay application could not send.
  • Option 60—Number of packets discarded containing DHCP option 60 vendor-specific information.
  • Option 82—Number of packets discarded because DHCP option 82 information could not be added.

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

clear dhcp relay statistics

The following sample output displays the DHCP relay statistics before and after the clear dhcp relay statistics command is issued.

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

Messages received:
    BOOTREQUEST                116
    DHCPDECLINE                0
    DHCPDISCOVER               11
    DHCPINFORM                 0
    DHCPRELEASE                0
    DHCPREQUEST                105

Messages sent:
    BOOTREPLY                  44
    DHCPOFFER                  11
    DHCPACK                    11
    DHCPNAK                    11
user@host> clear dhcp relay statistics
user@host> show dhcp relay 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
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