layout-3 layout-6 layout-1 layout-top
NVIDIA Docs Hubchevron_right NVIDIA Networkingchevron_right Networking Softwarechevron_right Switch Softwarechevron_right Cumulus Linuxchevron_right

NVUE Command Reference

layout-top layout-6 layout-1

Packet Trimming

nv show interface <interface-id> counters packet-trim

Shows the number of trimmed packets for a specific interface by traffic class.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.15.0

Example

cumulus@switch:~$ nv show interface swp1-3 counters packet-trim
Traffic Class  Trim Eligible Packets 
-------------  --------------- 
1                 1000                
2                 2000              
3                 3000

nv show interface <interface-id> packet-trim

Shows packet trimming information for an interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.14.0

Example

cumulus@switch:~$ nv show interface swp1-3 packet-trim
Egress Eligibility TC
========================
No Data

nv show interface <interface-id> packet-trim egress-eligibility

Shows packet trimming eligibility information for an interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.14.0

Example

cumulus@switch:~$ nv show interface swp1-3 packet-trim egress-eligibility
Egress Eligibility TC
========================
No Data

nv show interface <interface-id> packet-trim egress-eligibility traffic-class

Shows packet trimming eligibility traffic class information for an interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.14.0

Example

cumulus@switch:~$ nv show interface swp1-3 packet-trim egress-eligibility traffic-class
No Data

nv show interface <interface-id> packet-trim egress-eligibility traffic-class <tc-id>

Shows packet trimming eligibility information for a specific traffic class.

Command Syntax

Syntax Description
<interface-id> The interface name.
<tc-id> The traffic class ID.

Version History

Introduced in Cumulus Linux 5.14.0

Example

cumulus@switch:~$ nv show interface swp1-3 packet-trim egress-eligibility traffic-class 4
No Data

nv show interface <interface-id> packet-trim notify-sender

Shows the packet trimming sender notification settings for the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim notify-sender

nv show interface <interface-id> packet-trim notify-sender tail-drop

Shows the tail drop sender notification settings for the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim notify-sender tail-drop

nv show interface <interface-id> packet-trim notify-sender tail-drop egress-eligibility

Shows the tail drop sender notification eligibility settings for the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim notify-sender tail-drop egress-eligibility

nv show interface <interface-id> packet-trim notify-sender tail-drop egress-eligibility traffic-class

Shows the traffic classes eligible for tail drop sender notification on the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim notify-sender tail-drop egress-eligibility traffic-class

nv show interface <interface-id> packet-trim notify-sender tail-drop egress-eligibility traffic-class <tc-id>

Shows a specific traffic class eligible for tail drop sender notification on the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.
<tc-id> The traffic class.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim notify-sender tail-drop egress-eligibility traffic-class 3

nv show interface <interface-id> packet-trim spxm

Shows the SPXM packet trimming settings for the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim spxm

nv show interface <interface-id> packet-trim spxm notify-sender

Shows the SPXM packet trimming sender notification settings for the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim spxm notify-sender

Shows the link-down sender notification settings for the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim spxm notify-sender link-down

Shows the link-down sender notification eligibility settings for the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim spxm notify-sender link-down ingress-eligibility

Shows the DSCP values eligible for link-down sender notification on the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim spxm notify-sender link-down ingress-eligibility dscp

Shows a specific DSCP value eligible for link-down sender notification on the specified interface.

Command Syntax

Syntax Description
<interface-id> The interface name.
<dscp-id> The DSCP value.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show interface swp1 packet-trim spxm notify-sender link-down ingress-eligibility dscp 10

nv show system forwarding packet-trim

Shows packet trimming configuration and data. The trimmed-packet-counters field shows the number of trimmed packets.

Version History

Introduced in Cumulus Linux 5.14.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim
nv show system forwarding packet-trim 
                           operational                           applied                         
-------------------------  ------------------------------------  -------------------  
state                      disabled                              enabled                       
profile                                                          packet-trim-default  
service-port               swp65                                                                         
size                       253                                                                           
traffic-class              4                                                                             
switch-priority            4                                                                             
remark                                                                                                   
  dscp                     11                                                                            
session-info                                                                                             
  session-id               0xffff                                                                        
  trimmed-packet-counters  0                                                                             
  session-down-reason      Failed to create/update span session                                          

Egress Eligibility TC-to-Interface Information
=================================================
    TC  interface              
    --  -----------------------
    1   swp1-60,63-64,swp61s0-7
    2   swp1-60,63-64,swp61s0-7
    3   swp1-60,63-64,swp61s0-7

Port-Level SP to DSCP Remark Information
===========================================
No Data

nv show system forwarding packet-trim counters

Shows the number of trimmed packets at both the global and interface levels.

Version History

Introduced in Cumulus Linux 5.15.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim counters
Global 
 trimmed-packets      20,000 
Port-Level 
------------- 
Interface  Trim Eligible Packets Trimmed TxPackets 
---------  ------------------  ---------------- 
swp1        1000                  N/A 
swp2        2000                  N/A 
swp3        4000                  N/A 
swp4        5000                  N/A

nv show system forwarding packet-trim ingress-eligibility

Shows the packet trimming ingress eligibility settings.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim ingress-eligibility

nv show system forwarding packet-trim notify-sender

Shows the packet trimming sender notification settings.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim notify-sender

Shows the link-down sender notification settings for packet trimming.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim notify-sender link-down

Shows the link-down sender notification counters for packet trimming.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim notify-sender link-down counters

Shows the link-down sender notification counters for packet trimming in native format.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim notify-sender link-down counters native

Shows the DSCP marking settings for link-down sender notification.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim notify-sender link-down remark

nv show system forwarding packet-trim notify-sender tail-drop

Shows the tail drop sender notification settings for packet trimming.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim notify-sender tail-drop

nv show system forwarding packet-trim notify-sender tail-drop remark

Shows the DSCP marking settings for tail drop sender notification.

Version History

Introduced in Cumulus Linux 5.19.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim notify-sender tail-drop remark

nv show system forwarding packet-trim remark

Shows packet trimming remark information.

Version History

Introduced in Cumulus Linux 5.14.0

Example

cumulus@switch:~$ nv show system forwarding packet-trim remark 
      operational  applied
----  -----------  -------
dscp               11

    Copyright © 2026  NVIDIA Corporation