Port Mirror

nv show system port-mirror

Shows SPAN and ERSPAN configuration settings.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror
           operational  applied
---------  -----------  -------
[session]  1            1

nv show system port-mirror session

Shows information about SPAN and ERSPAN sessions.

Add -o json at the end of the command to see the output in a more readable format.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session -o json
{
  "1": {
    "erspan": {
      "destination": {
        "dest-ip": {
          "10.10.10.234": {}
        },
        "source-ip": {
          "10.10.10.1": {}
        }
      },
      "direction": "egress",
      "source-port": {
        "swp1": {}
      }
    }
  }
}

nv show system port-mirror session <session-id>

Shows information about the specified port mirror session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1
                 operational   applied     
---------------  ------------  ------------
erspan                                     
  enable                       on          
  direction      egress        egress      
  destination                              
    [dest-ip]    10.10.10.234  10.10.10.234
    [source-ip]  10.10.10.1    10.10.10.1  
  [source-port]  swp1          swp1        
  truncate                                 
    enable                     off         
span                                       
  enable                       off

nv show system port-mirror session <session-id> erspan

Shows information about the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan
               operational   applied     
-------------  ------------  ------------
enable                       on          
direction      egress        egress      
destination                              
  [dest-ip]    10.10.10.234  10.10.10.234
  [source-ip]  10.10.10.1    10.10.10.1  
[source-port]  swp1          swp1        
truncate                                 
  enable                     off

nv show system port-mirror session <session-id> erspan destination

Shows the destination ports for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan destination
             operational   applied     
-----------  ------------  ------------
[dest-ip]    10.10.10.234  10.10.10.234
[source-ip]  10.10.10.1    10.10.10.1

nv show system port-mirror session <session-id> erspan destination dest-ip

Shows the destination IP addresses for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan destination dest-ip
            
------------
10.10.10.23

nv show system port-mirror session <session-id> erspan destination dest-ip <dest-ip>

Shows information about the specified destination IP address for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.
`<dest-ip>`	The destination IPv4 address.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan destination dest-ip 10.10.10.234

nv show system port-mirror session <session-id> erspan destination source-ip

Shows the destination source IP addresses for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan destination source-ip
          
----------
10.10.10.1

nv show system port-mirror session <session-id> erspan destination source-ip <source-ip>

Shows information about a specific destination source IP address for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.
`<source-ip>`	The source IPv4 address.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan destination source-ip 10.10.10.1

nv show system port-mirror session <session-id> erspan source-port

Shows the source ports configured for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan source-port
    
----
swp1

nv show system port-mirror session <session-id> erspan source-port <port-id>

Shows information about the specified source port (swp or bond) for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.
`<port-id>`	The interface name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan source-port swp1

nv show system port-mirror session <session-id> erspan truncate

Shows information about truncating packets for the specified ERSPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 erspan truncate
        operational  applied
------  -----------  -------
enable               on

nv show system port-mirror session <session-id> span

Shows configuration settings for the specified SPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 span
        operational  applied
------  -----------  -------
enable               on

nv show system port-mirror session <session-id> span destination

Shows the destination ports for the specified SPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 span destination

nv show system port-mirror session <session-id> span destination <port-id>

Shows information about a specific destination port for the specified SPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.
`<port-id>`	The interface name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 span destination swp1

nv show system port-mirror session <session-id> span source-port

Shows the source ports for the specified SPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 span source-port

nv show system port-mirror session <session-id> span source-port <port-id>

Shows information about a specific source port (swp or bond) for the specified SPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.
`<port-id>`	The interface name.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 span source-port swp1

nv show system port-mirror session <session-id> span truncate

Shows information about truncating packets for the specified SPAN session.

Command Syntax

Syntax	Description
`<session-id>`	The port mirror session number.

Version History

Introduced in Cumulus Linux 5.0.0

Example

cumulus@switch:~$ nv show system port-mirror session 1 span truncate