show nodealias client-info

Displays client information.

Syntax

Command Parameters

detail
Displays detailed information related to clients.
hostname
Displays the hostname.
i-sid <0-16777215>
Displays client information for the specified I-SID.
mac <0x00:0x00:0x00:0x00:0x00:0x00>
Displays client information for the specified MAC Address.
mlt <1-512>
Display client information for the specified MLT.
port {slot/port[/sub-port][-slot/port[/sub-port]][,...][slot/all][all]}
Displays client information for the specified port.
vlan <4094>

Displays client information for the specified VLAN.

Default

The default is none.

Command Mode

User EXEC

Command Output

The show nodealias client-info command displays the following information:

Output field

Description

MAC-ADDRESS

Displays the source MAC address of the client.

I-SID

Displays the I-SID.

VLAN

Displays the VLAN ID.

INTERFACE

Displays the receiving interface port or MLT.

PROTOCOLS

Displays the protocol running on the client.

Use the legend at the bottom of the output to explain the protocol values.

ACTIVE

Displays if the client is active (true) or inactive (false).

LAST IP ADDR

LAST IPv6 ADDR

Displays the last known IPv4 or IPv6 IP address used by this client.

FIRST LEARNED TIME

LAST LEARNED TIME

Displays the timestamp of the first and last time a client is learned.

The switches use last learned time to remove inactive and oldest clients from the database when the maximum number of clients is reached.

HOSTNAME

Displays the client host name.

OS TYPE

OS VERSION

DEVICE TYPE

Displays detailed information extracted from LLDP messages, such as operating system type, operating system version, and device type, if known.

The following examples display client information for Node Alias on the switch.

Example

Switch:1#show nodealias client-info 

=============================================================================================================
                                   Node Alias - Client Database
=============================================================================================================                                                                                             

MAC-ADDRESS         I-SID     VLAN  INTERFACE  PROTOCOLS  ACTIVE LAST IP ADDR         FIRST LEARNED TIME  
                                                                 LAST IPv6 ADDR       LAST LEARNED TIME   
-------------------------------------------------------------------------------------------------------------
00:00:11:11:16:01   0         16    1/1        4          true   192.0.2.15           2024/06/06 12:25:30 
                                                                 0:0:0:0:0:0:0:0      2024/06/06 12:26:12 
00:00:11:11:26:02   0         16    1/2        4          true   192.0.2.16           2024/06/06 12:25:31 
                                                                 0:0:0:0:0:0:0:0      2024/06/06 12:25:42 
00:00:11:66:00:01   2         2     1/3        4BOR       false  198.51.100.2         2024/06/06 12:27:25 
                                                                 0:0:0:0:0:0:0:0      2024/06/06 12:39:08 
00:00:11:66:55:01   4         4     1/3        4BOR       false  198.51.100.3         2024/06/06 12:27:30 
                                                                 0:0:0:0:0:0:0:0      2024/06/06 12:39:08 
00:00:11:77:00:02   1002      1002  MLT-1      4BOR       true   203.0.113.23         2024/06/06 12:27:26 
                                                                 0:0:0:0:0:0:0:0      2024/06/06 12:39:08 
00:00:11:77:00:03   1002      1002  1/2        4R         true   203.0.113.24         2024/06/06 12:31:51 
                                                                 0:0:0:0:0:0:0:0      2024/06/06 12:32:23 
6 displayed out of 6 Total Num of Clients 

--------------------------------------------------------------------------------------------------------------
Protocols Legend: Client Capabilities
4 = IPv4,       6 = IPv6,       B = BGP,        V = VRRP,       U = UDP,      
L = LLDP,       D = DHCP,       b = BPDU,       n = NON_NT_BPDU O = OSPF,     
R = RIP,        l = LLMNR,      S = SSDP,       M = MDNS

Switch:1#show nodealias client-info detail

======================================================================================================================================================
                                                                       Node Alias - Client Database
======================================================================================================================================================

MAC-ADDRESS         I-SID     VLAN  INTERFACE  PROTOCOLS    ACTIVE LAST IP ADDR                  FIRST LEARNED TIME   HOSTNAME           OS TYPE
                                                                   LAST IPv6 ADDR                LAST LEARNED TIME                       OS VERSION
                                                                                                                                         DEVICE TYPE
------------------------------------------------------------------------------------------------------------------------------------------------------
00:00:50:b8:ec:61   15999999  4048  1/1        6l           false  0.0.0.0                         09/25/24 15:07:24
                                                                   fe80:0:0:0:bde3:2f0e:7b83:80a   09/25/24 18:06:35

40:88:2f:dc:68:81   15999999  4048  1/1        4UD          true   10.3.33.208                     09/25/24 14:40:56    A1-5420
                                                                   0:0:0:0:0:0:0:0                 09/25/24 19:03:24

40:88:2f:e1:c4:81   15999999  4048  1/1        4UD          true   0.0.0.0                         09/25/24 14:41:09    FabricEngine40882fe~
                                                                   0:0:0:0:0:0:0:0                 09/25/24 19:03:31

40:88:2f:e3:a0:81   15999999  4048  1/1        4UD          true   0.0.0.0                         09/25/24 14:40:18    FabricEngine40882fe~
                                                                   0:0:0:0:0:0:0:0                 09/25/24 19:03:28
 4 displayed out of 426 Total Num of Clients
-------------------------------------------------------------------------------------------------------------------------------------------------------                                                   
Protocols Legend: Client Capabilities
4 = IPv4,       6 = IPv6,       B = BGP,        V = VRRP,       U = UDP,
L = LLDP,       D = DHCP,       b = BPDU,       n = NON_NT_BPDU O = OSPF,
R = RIP,        l = LLMNR,      S = SSDP,       M = MDNS

-------------------------------------------------------------------------------------------------------------------------------------------------------
DeviceType Legend:
B= Bridge,    D= DOCSIS,    O= Other,     R= Repeater,
S= Station,   T= Telephone, W= WLAN,      r= Router

Switch:1#show nodealias client-info hostname
===================================================================================================================                                    
                                              Node Alias - Client Hostname
===================================================================================================================

MAC-ADDRESS         I-SID     VLAN  INTERFACE  PROTOCOLS      ACTIVE     LAST IP ADDR      HOSTNAME
-------------------------------------------------------------------------------------------------------------------
00:00:50:b8:ec:61   15999999  4048  1/1        6l             true       0.0.0.0
40:88:2f:dc:68:81   15999999  4048  1/1        4UD            true       10.3.33.208       A1-5420
40:88:2f:e1:c4:81   15999999  4048  1/1        4UD            true       0.0.0.0           FabricEngine40882fe1c400
40:88:2f:e3:a0:81   15999999  4048  1/1        4UD            true       0.0.0.0           FabricEngine40882fe3a000

 4 displayed out of 433 Total Num of Clients
-------------------------------------------------------------------------------------------------------------------
Protocols Legend: Client Capabilities
4 = IPv4,       6 = IPv6,       B = BGP,        V = VRRP,       U = UDP,
L = LLDP,       D = DHCP,       b = BPDU,       n = NON_NT_BPDU O = OSPF,
R = RIP,        l = LLMNR,      S = SSDP,       M = MDNS