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NVIDIA NVOS User Manual for NVLink Switches v25.02.1884

Link Diagnostic Commands

nv show interface <interface-id> link diagnostics

Display the link diagnostics information of the given interface.

Syntax Description

interface-id

Name of the interface to display

Default

N/A

History

25.02.1884

Example

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admin@nvos:~:~$ nv show interface sw1p1s1 link diagnostics Code Status -------- -------------------------------------------------------- 0 No issue was observed    

REST API

GET https://<ip>/nvue_v1/interface/<interface id>/link/diagnostics

Related Commands

nv show interface --view link-diagnostics

Notes

nv show interface--view link-diagnostics

Display the link diagnostics for all the interfaces.

Syntax Description

N/A

Default

N/A

History

25.02.1884

Example

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admin@nvos:~$ nv show interface --view link-diagnostics Interface Code Status ---------- ----- -------------------- acp1 2 Negotiation failure acp2 2 Negotiation failure fnm1 2 Negotiation failure fnm2 2 Negotiation failure sw1p1s1 1024 Cable is unplugged sw1p1s2 1024 Cable is unplugged

REST API

GET https://<ip>/nvue_v1/interface

Related Commands

nv show interface link diagnostics

Notes

nv {set,unset} system lldp [state {enabled,disabled} | tx-interval {number} | tx-hold-multiplier {number}]

Update LLDP global configurations.

Syntax Description

state

LLDP state configuration.

tx-interval

Change transmit delay.

tx-hold-multiplier

TTL of transmitted packets is calculated by multiplying the tx-interval by the given factor.

Default

state

enabled

tx-interval

30

tx-hold-multiplier

4

History

25.02.1884

Example

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admin@nvos:~$ nv set system lldp state disabled   admin@nvos:~# nv set system lldp state tx-interval 50

REST API

PATCH https://<ip>/nvue_v1/system/lldp

Related Commands

nv show system lldp

Notes

nv show system lldp

Display LLDP global configurations.

Syntax Description

N/A

Default

N/A

History

25.02.1884

Example

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admin@nvos:~$ nv show system lldp                         operational   applied ------------------      -----------   ------- state                   enabled       enabled tx-interval            30            30     tx-hold-multiplier   4             4  

REST API

GET https://<ip>/nvue_v1/system/lldp

Related Commands

nv set system lldp

Notes

nv show interface {interface-id} lldp

Show preview details of interface neighbor.

Syntax Description

interface-id

interface name

Default

N/A

History

25.02.1884

Example

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admin@nvos:~$ nv show interface eth0 lldp               operational                      applied ----------      -------------------------        ------- [neighbor]   MTL-S-F2-LAB-ADVG-SW-4-12 

REST API

GET https://<ip>/nvue_v1/interface/{interface-id}/lldp

Related Commands

nv show interface {interface-id} lldp neighbor

Notes

This command is just for mgmt interfaces.

nv show interface {interface-id} lldp neighbor

Show details of interface neighbor.

Syntax Description

interface-id

interface name

Default

N/A

History

25.02.1884

Example

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admin@nvos:~$ nv show interface eth0 lldp neighbor  Neighbor                      Remote IP    Model   SW Version   Remote Port -------------------------    ----------   -------  ----------------  ----------- MTL-S-F2-LAB-ADVG-SW-4-12     10.60.4.12   11  

REST API

GET https://<ip>/nvue_v1/interface/{interface-id}/lldp/neighbor

Related Commands

nv show interface {interface-id} lldp neighbor {neighbor-id}

Notes

This command is just for mgmt interfaces.

nv show interface {interface-id} lldp neighbor {neighbor-id}

Show extend details of the neighbor

Syntax Description

interface-id

Interface name

neighbor-id

Neighbor name

Default

N/A

History

25.02.1884

Example

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admin@nvos:~$ nv show interface eth0 lldp neighbor MTL-S-F2-LAB-ADVG-SW-4-12                           operational -------------------------  ----------------------------------------------------- age                        3581                           bridge                  untagged                 59                            chassis chassis-id               1c:98:ec:45:3e:c0 management-address-ipv4  10.60.4.12 management-address-ipv6  fdfd:fdfd:7:145::1000:4998 system-name              MTL-S-F2-LAB-ADVG-SW-4-12                         system-description       HP J9775A 2530-48G Switch, revision YA.16.11.0015, ROM YA.15.20 ... port     ttl                      120 name                     11 type                     local description              11 pmd-autoneg                                   [advertised]           0    [advertised]           1   [advertised]           2   mau-oper-type          1000BaseTFD - Four-pair Category 5 UTP, full duplex mode                                       lldp-med                                                           device-type                      

REST API

GET https://<ip>/nvue_v1/interface/{interface-id}/lldp/neighbor/{neighbor-id}

Related Commands

nv show interface {interface-id} lldp neighbor

Notes

This command is just for mgmt interfaces.

nv show interface lldp

Show neighbor details of all interfaces.

Syntax Description

N/A

Default

N/A

History

25.02.1884

Example

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admin@nvos:~$ nv show interface lldp Interface   Speed   Type        Neighbor                      Remote Port ---------      ------     --------      -------------------------    ----------- eth0          1G       eth            MTL-S-F2-LAB-ADVG-SW-4-12    11 ib0                       ipoib                                                  lo                        loopback                                                sw1p1       200G    ib                                                    sw1p2       200G   ib sw2p1              ib ...  ... ...  ...

REST API

GET https://<ip>/nvue_v1/interface/lldp

Related Commands

nv show interface {interface-id} lldp

Notes

© Copyright 2025, NVIDIA. Last updated on Mar 3, 2025.