display dhcpv6-server

Function

The display dhcpv6-server item command displays information about a DHCPv6 server.

The display dhcpv6-server statistics command displays statistics about packets sent between the device and a DHCPv6 server.

This command is supported only on the NetEngine 8000 F1A.

Format

display dhcpv6-server { item | statistics } { server-ip [ vpn-instance instance-name ] | interface { interface-name | interface-type interface-number } }

Parameters

Parameter	Description	Value
server-ip	IPv6 address of the DHCPv6 server.	The value is a 32-bit hexadecimal number, in the format of X:X:X:X:X:X:X:X.
vpn-instance instance-name	Specifies the name of a VPN instance.	The value is a string of 1 to 31 case-sensitive characters. It cannot contain spaces. The VPN instance name cannot be '_public_'. If spaces are used, the string must start and end with double quotation marks (").
interface interface-type	Specifies the type of the outbound interface for sending DHCPv6 packets.	-
interface interface-number	Specifies the number of the outbound interface for sending DHCPv6 packets.	-
interface interface-name	Specifies the name of the outbound interface for sending DHCPv6 packets.	-

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
ipv6pool	read

Usage Guidelines

Usage Scenario

The display dhcpv6-server item command displays the current status of a DHCPv6 server and speed limit information.

The display dhcpv6-server statistics command displays statistics about packets sent between the device (the relay agent) and a DHCPv6 server. Different types of packets are counted separately, including DHCP Solicit, Request, Information, Renew, Rebind, Release, and Relay-forward packets that are sent to or replied by the DHCPv6 server.

Precautions

In VS mode, this command is supported only by the admin VS.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display the current status of the DHCPv6 server with the IP address of 2001:db8:2::1.

<HUAWEI> display dhcpv6-server item 2001:db8:2::1
IPAddress                : 2020::
  State                    : UP
  Speed Limit              : 0 packet(s) / 0 second(s)
  VPN name                 :
  Reference Count          : 1
  Dead Count               : 1 
  Timeout        :55(Sec) 
  Dead Time       :3(Min)
  Count of server-timeout  : 0
  Address or prefix state  : available
  Packet discarded by speed limit      :  0

# Display statistics about packets sent between the NetEngine 8000 F and the DHCPv6 server with IPv6 address of 2001:db8:1::1.

<HUAWEI> display dhcpv6-server statistics 2001:db8:1::1
 =========================================================

  Solicit Packets       : 0          Request Packets       : 0
  Renew Packets         : 0          Rebind Packets        : 0
  Release Packets       : 0          Advertise Packets     : 0
  Reply Packets         : 0          Confirm Packets       : 0
  Decline Packets       : 0
  =========================================================
  Relay-Forward Packets : 0          :
  Solicit Packets       : 0          Request Packets       : 0
  Renew Packets         : 0          Rebind Packets        : 0
  Release Packets       : 0          Confirm Packets       : 0
  Decline Packets       : 0
  Relay-Reply Packets   : 0          :
  Advertise Packets     : 0          Reply Packets         : 0
  =========================================================
  Send Packets          : 0          Receive Packets       : 0
  Error Packets         : 0

**Table 1** Description of the **display dhcpv6-server** command output
Item	Description
IPAddress	IPv6 address of the DHCPv6 server.
State	Current status of the DHCPv6 server.
Speed Limit	Speed limit information of the DHCPv6 server.
VPN name	The VPN instance to which a user belongs.
Reference Count	The count of the DHCPv6 server used by .
Count of server-timeout	The count of the DHCPv6 server timeout.
Dead Count	Maximum number of times at which the DHCPv6 server does not send response packets.
Dead Time	Down time of the DHCPv6 server.
Timeout	Timeout period during which a device receives no response from the DHCPv6 server.
Address or prefix state	Current status of the address or prefix state.
Packet discarded by speed limit	Number of Solicit packets discarded due to rate limit.
Solicit Packets	Number of DHCP Solicit packets, which are used by the client to identify the server location.
Request Packets	Number of DHCP Request packets, which are sent from the client to the server to apply for an IPv6 address and other configurations.
Renew Packets	Number of DHCP Renew packets, which are sent from the client to the server to renew the IPv6 address allocated by the server and update the configurations allocated by the server.
Rebind Packets	Number of DHCP Rebind packets, which are sent from the client to any reachable server to renew the IPv6 address and update configurations if no packets are received in response to transmitted DHCP Renew packets.
Release Packets	Number of DHCP Release packets, which are sent from the client to the server to release the address(es) allocated by the server.
Advertise Packets	Number of DHCP Advertise packets, which are sent from the server in response to DHCP Solicit packets if the server is able to provide DHCPv6 services.
Reply Packets	Number of DHCP Reply packets, which appear in the following situations: The server sends DHCP Reply packets that carry the address and configuration information in response to the DHCP Solicit, Request, Renew, or Rebind packets sent from the client. The server sends DHCP Reply packets that carry configuration information in response to the DHCP Information-request packets sent from the client. The server sends DHCP Reply packets in response to the DHCP Confirm, Release, or Decline packets sent from the client.
Confirm Packets	Number of confirm packets.
Decline Packets	Number of DHCP Decline packets, which are sent from the client to the server to declare that one or more addresses allocated by the server have been used for links on the client.
Relay-Forward Packets	Number of DHCP Relay-forward packets, which are sent by the relay agent to forward packets coming from the client to the server.
Relay-Reply Packets	Number of DHCP Relay-reply packets, which carry the data bound for the client and are sent from the server to the relay agent for packet forwarding.
Send Packets	Number of sending packets.
Receive Packets	Number of received packets.
Error Packets	Number of error packets.