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show dhcp-security ipv6 statistics

Syntax

show dhcp-security ipv6 statistics

Release Information

Command introduced in Junos OS Release 13.2X51-D20 for EX Series switches.

Description

Display DHCPv6 statistics.

Required Privilege Level

view

List of Sample Output

show dhcp-security ipv6 statistics

Output Fields

Table 1 lists the output fields for the show dhcp-security ipv6 statistics command. Output fields are listed in the approximate order in which they appear.

Table 1: show dhcp-security ipv6 statistics Output Fields

Field Name

Field Description

DHCPv6 messages

Number of DHCPv6 messages exchanged.

  • Total—Total number of DHCPv6 messages exchanged.
  • Solicit—Number of DHCPv6 messages of type Solicit. A client sends a Solicit message to locate servers.
  • Advertise—Number of DHCPv6 messages of type Advertise. A server sends an Advertise message, in reponse to a Solicit message, to indicate that it is available for DHCPv6 service.
  • Request—Number of DHCPv6 messages of type Request. A client sends a Request message to request configuration parameters from a server.
  • Reply—Number of DHCPv6 messages of type Reply. A server sends a Reply message in response to a Solicit, Request, Renew, Rebind, Confirm, Information Request, Release, or Decline message.
  • Confirm—Number of DHCPv6 messages of type Confirm. A client sends a Confirm message to any available server to determine whether the addresses it was assigned are still appropriate for the link to which the client is connected.
  • Decline—Number of DHCPv6 messages of type Decline. A client sends a Decline message to a server to indicate that one or more of the addresses assigned by the server are already in use on the link to which the client is connected.
  • Release—Number of DHCPv6 messages of type Release. A client sends a Release message to the server to indicate that the client will no longer use one or more of the assigned addresses.
  • Renew—Number of DHCPv6 messages of type Renew. A client sends a Renew message to the server to extend the lifetimes on the addresses assigned to the client by that server and to update other configuration parameters received by that server.
  • Rebind—Number of DHCPv6 messages of type Rebind. A client sends a Rebind message to any available server after receiving no reply to a Renew message.
  • Relay-forward—Number of DHCPv6 messages of type Relay-forward. A relay agent sends a Relay-forward message to relay messages to servers, either directly or through another relay agent. The received message is encapsulated in an option in the Relay-forward message.
  • Relay-reply—Number of DHCPv6 messages of type Relay-reply. A server sends a Replay-reply message to a relay agent containing a message that the relay agent delivers to a client.
  • Information-request—Number of DHCPv6 messages of type Information-request. A client sends an Information-request message to a server to request configuration parameters without the assignment of any IP addresses to the client.
  • Reconfigure—Number of DHCPv6 messages of type Reconfigure. A server sends a Reconfigure message to a client to inform the client that the server has new or updated configuration parameters, and that the client needs to initiate a Renew/Reply or Information-request/Reply transaction with the server in order to receive the updated information.

Packets dropped

Number of packets not considered for DHCPv6 snooping because of errors.

  • Total—Total number of packets discarded by DHCPv6 snooping.
  • No configuration—Number of packets discarded because they did not have a valid configuration.
  • No VLAN—Number of packets discarded because they did not belong to a valid VLAN.
  • No interface—Number of packets discarded because they did not belong to a valid interface.
  • Request on trusted port—Number of packets discarded because a Request message was received on a trusted port.

Sample Output

show dhcp-security ipv6 statistics

user@host> show dhcp-security ipv6 statistics
DHCPv6 messages:
    Total                      32
    Solicit                     1
    Advertise                   1
    Request                     3
    Reply                       5
    Confirm                     1
    Decline                     2
    Release                     9
    Renew                       4
    Rebind                      2
    Relay forward               1
    Relay reply                 1
    Information request         1
    Reconfigure                 2

Packets dropped:
    Total                       0
    No configuration            0
    No VLAN                     0
    No interface                0
    Request on trusted port     0

Published: 2014-04-22

Supported Platforms

Published: 2014-04-22