HP A5120 EI Series User Manual

207
Description
Use the display ipv6 dhcp snooping user-binding command to display DHCPv6 snooping entries.
Examples
# Display all DHCPv6 snooping entries.
<Sysname> display ipv6 dhcp snooping user-binding dynamic
IPv6 Address MAC Address Lease VLAN Interface
============================== ============== ========== ==== ==================
2::1 00e0-fc00-0006 286 1 GigabitEthernet1/0/1
--- 1 DHCPv6 snooping item(s) found ---
Table 52 Output description
Field
Description
IPv6 Address
IPv6 address in the DHCPv6 snooping entry
MAC Address
MAC address in the DHCPv6 snooping entry
Lease
Remaining lease of the DHCPv6 snooping entry, in seconds.
VLAN
VLAN to which the interface belongs
Interface
Interface through which the DHCPv6 client is connected
ipv6 dhcp snooping enable
Syntax
ipv6 dhcp snooping enable
undo ipv6 dhcp snooping enable
View
System view
Default level
2: System level
Parameters
None
Description
Use the ipv6 dhcp snooping enable command to enable DHCPv6 snooping globally.
Use the undo ipv6 dhcp snooping enable command to disable DHCPv6 snooping globally.
By default, global DHCPv6 snooping is disabled.
After DHCPv6 snooping is enabled in system view, the DHCPv6 snooping device discards DHCPv6 reply
messages received by an untrusted port if any, and does not record these DHCPv6 snooping entries.
Examples
# Enable DHCPv6 snooping globally.
<Sysname> system-view
[Sysname] ipv6 dhcp snooping enable

HP A5120 EI Series Specifications

General

Uplink Ports	4 x SFP
Stacking	No
Management	CLI, Web, SNMP
Routing Protocols	RIP, OSPF
Power Supply	AC
MAC Address Table Size	16K
Dimensions	440 x 430 x 44 mm
Operating Temperature	0°C to 45°C
Operating Humidity	10% to 90% non-condensing
Model	HP A5120-24G EI Switch (JG234A)
VLANs	4094

Summary

Gratuitous ARP configuration commands

gratuitous-arp-learning enable

Enables learning of gratuitous ARP packets.

gratuitous-arp-sending enable

Enables switch to send gratuitous ARP packets upon receiving requests.

IP addressing configuration commands

display ip interface

Displays IP configuration information for a Layer 3 interface.

ip address

Assigns an IP address and mask to an interface.

DHCP server configuration commands

dhcp enable

Enables the DHCP server.

dhcp server ip-pool

Creates a DHCP address pool and enters its view.

display dhcp server statistics

Displays the statistics of the DHCP server.

DHCP snooping configuration commands

dhcp-snooping

Enables DHCP snooping.

display dhcp-snooping trust

Displays information about trusted ports.

IPv4 DNS configuration commands

display dns server

Displays the IPv4 DNS server information.

dns server

Specifies a DNS server.

IP performance optimization configuration commands

display fib

Displays FIB entries.

display ip statistics

Displays statistics of IP packets.

IPv6 basics configuration commands

display ipv6 interface

Displays the IPv6 information of an interface.

ipv6 address

Configures an IPv6 global unicast address for an interface.

DHCPv6 configuration commands

display ipv6 dhcp pool

Displays DHCPv6 address pool information.

ipv6 dhcp server enable

Enables the DHCPv6 server.

DHCPv6 relay agent configuration commands

display ipv6 dhcp relay server-address

Displays information about DHCPv6 server addresses on the relay agent.

ipv6 dhcp relay server-address

Enables DHCPv6 relay agent and specifies a DHCPv6 server.

DHCPv6 client configuration commands

display ipv6 dhcp client

Displays DHCPv6 client information.

DHCPv6 snooping configuration commands

ipv6 dhcp snooping enable

Enables DHCPv6 snooping globally.

ipv6 dhcp snooping trust

Configures a DHCPv6 trusted port.