This command enables or disables tracking between existing vLE ports.

Syntax   vle-modify 

name name-string

Specify the name of the vLE you want to modify.

vnet vnet-name

Specify the vNET name.


Enable or disable tracking between vLE ports.

ports-state override|enable|disable

Specify the port state. Use this option to enable or disable vLE ports at the same time.

override is the default setting which means that each individual port state configuration takes precedence.

disable means that both vLE ports get disabled together, and this option takes precedence over each individual port state.

enable means that both vLE ports get enabled, and this option takes precedence over each individual port state.

Defaults   None.

Access   CLI


Version 2.5.4

Command introduced.

Version 6.0.0

The parameter ports-state added.

Version 6.1.0

the parameter vnet added.


Provides a mechanism for link state tracking between two ports of two switches in the same fabric for Virtual Link Extension (vLE). When a vLE is created between two physical ports of two switches, the vLE remains up as long as both physical ports are in the state link up.

When vLE tracking is created on a trunk port, the vLE stays up as long as at least one port in the trunk is link up, and the remote port is also up. When the last trunk member goes link down, the vLE is brought down. When you configure vLE tracking on a trunk port, you cannot configure tracking on individual trunk members.

vLE tracking helps achieve vLE high availability on Netvisor nodes, and avoid the need on the client side to run LACP for link up/down detection.

Examples  This example shows how enable tracking on an existing vLE port myvle.

CLI (network-admin@switch) > vle-modify name myvle tracking