Setting the Maximum Number of FIP Login Sessions per Node Device

When a QFX3500 switch or QFabric system Node device acts an FCoE-FC gateway, it connects FCoE devices on an Ethernet network to an FC switch in a Fibre Channel network. You can limit the maximum number of FIP login sessions for the FCoE devices on each Node device.

For QFX3500 switches, the maximum limit means that the sum of the FIP login sessions on all of the local FC fabrics on that QFX3500 switch cannot exceed the device maximum.

For the QFabric system, the limit applies to each Node device in the QFabric system. For example, if you configure a maximum FIP login session value of 2000 sessions, each Node device in the QFabric system can have a total of up to 2000 FIP login sessions running on its FC fabrics.

The maximum number of FIP sessions a device can support is 2500 sessions. (This is the combined total of all VN2VF_Port and VN2VN_Port sessions on the system.)

There are also configurable FIP login session limits that you can apply to the FC fabrics on the devices, to the NP_Port interfaces in each FC fabric, and to the ENodes in each FC fabric. To prevent unexpected FIP login rejections:

• The sum of the maximum FIP login sessions for all of the FC fabrics on a device should not exceed the maximum number of sessions per device.

• The sum of the maximum FIP login sessions on all of the NP_Port interfaces that belong to an FC fabric should not exceed the maximum number of sessions the FC fabric supports or the device supports.