display nd snooping user-bind

Function

The display nd snooping user-bind command displays the ND snooping dynamic binding table.

Format

display nd snooping user-bind all [ verbose ]

display nd snooping user-bind { ipv6-address ipv6-address | mac-address mac-address | interface interface-type interface-number | vlan vlan-id | bridge-domain bd-id } ^* [ verbose ]

Only the S5720-HI, S5730-HI, S6720-HI, S6730-H, S6730S-H, S6730-S, S6730S-S, S5732-H, S5731-S, S5731S-S, S5731S-H, S5731-H, S6720-EI, and S6720S-EI support the bridge-domain parameter.

Parameters

Parameter	Description	Value
all	Displays all ND snooping dynamic binding entries.	-
verbose	Displays detailed information about ND snooping dynamic binding entries.	-
ipv6-address ipv6-address	Displays information about the IPv6 address in the ND snooping dynamic binding table.	The value is a 32-digit hexadecimal number in X:X:X:X:X:X:X:X format.
mac-address mac-address	Displays information about the MAC address in the ND snooping dynamic binding table.	The value is in the format of H-H-H. An H is a hexadecimal number of 1 to 4 digits.
vlan vlan-id	Displays information about the VLAN in the ND snooping dynamic binding table.	The value is an integer ranging from 1 to 4094.
interface interface-type interface-number	Displays interface information in the ND snooping dynamic binding table. interface-type specifies the interface type. interface-number specifies the interface number.	-
bridge-domain bd-id	Displays information about the BD in the ND snooping dynamic binding table.	The value is an integer ranging from 1 to 16777215.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

An ND snooping dynamic binding entry includes the source IPv6 address and source MAC address of a user, and the VLAN that a user belongs to. You can run the display nd snooping user-bind command to view details in the ND snooping dynamic binding table.

Example

# Display all ND snooping dynamic binding entries.

<HUAWEI> display nd snooping user-bind all
ND Dynamic Bind-table:                                                          
Flags:O - outer vlan ,I - inner vlan ,P - Vlan-mapping                              
IP Address                      MAC Address     VSI/VLAN(O/I/P)/(BD-VLAN) Lease           
------------------------------------------------------------------------------------------
FC00:1::2                       00e0-4c7c-af8f  10  /--  /--              2011.05.06-20:09
------------------------------------------------------------------------------------------
Print count:           1          Total count:           1

# Display detailed information about ND snooping dynamic binding entries.

<HUAWEI> display nd snooping user-bind all verbose      
ND Dynamic Bind-table:
Flags:O - outer vlan ,I - inner vlan ,P - Vlan-mapping
-------------------------------------------------------------------------------------------
 IP Address    : FE80::6BD:70FF:FEE0:733
 MAC Address   : 04bd-70e0-0733
 Bridge-domain : 50
 VSI           : --
 VLAN(O/I/P)   : 200 /--  /--
 Interface     : GE6/0/47
 Renew time    : 2019.10.28-15:02
 Expire time   : 2019.10.28-16:02
 DadTimerId    : --
 DadPktNum     : --
 User State    : BOUND
-------------------------------------------------------------------------------------------
Print count:           1          Total count:           1

**Table 1** Description of the **display nd snooping user-bind** command output
Item	Description
ND Dynamic Bind-table	ND snooping dynamic binding table.
Flags:O - outer vlan ,I - inner vlan ,P - Vlan-mapping	O indicates the outer VLAN ID; I indicates the inner VLAN ID; P indicates the mapped VLAN ID.
IP Address	IPv6 address of a user.
MAC Address	MAC address of a user.
Bridge-domain	Broadcast domain.
VSI	VPN instance that a user belongs to.
VLAN(O/I/P)	Inner VLAN ID, outer VLAN ID, or VLAN mapping information of the online user. NOTE: The ND snooping binding table does not contain VLAN mapping information. Therefore, no value is displayed in the P field.
Interface	User access interface.
User State	Status of an ND snooping dynamic binding entry is as follows: START: The binding entry is being created and is in the initialization state. DETECTION: The system is performing detection for the binding entry to check whether the user is online. BOUND: The binding entry has been successfully created.