Description

This KB gives information if QFX5120-48Y will support OpenFlow or not.

Symptoms

When OpenFlow is activated on an interface in QFX5120, the device will show the log messages below.

 

root@switch>

Message from syslogd@switch at Jan 3 15:12:02.841 2024 ...

switch fpc0 DFWE ERROR DFW: Cannot program filter ge-0/0/7.0_0 (type IFP_OPENFLOW) -TCAM has 0 free entries

Message from syslogd@switch at Jan 3 15:12:02.841 2024 ...

switch fpc0 DFWE ERROR DFW: Filter : "ge-0/0/7.0_0" is NOT programmed in HW

Solution

The QFX5120 platform does not support the OpenFlow feature and as a result, the mentioned log messages may appear if enabled. However, it is supported on the QFX5110 and QFX5100 platforms. 

Please refer below links for more details.

https://apps.juniper.net/feature-explorer/feature-info.html?fKey=6180&fn=OpenFlow+v1.0

https://www.juniper.net/content/dam/www/assets/datasheets/us/en/switches/qfx5120-ethernet-switch-datasheet.pdf

Modification History

2024-01-04 : Article Created
2024-01-09: Article checked for accuracy and found to be valid and relevant.
2024-01-09: Modified the Categories.