# How is unemployment calculated?

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### How is unemployment calculated?

The insurance allowance **unemployment is** calculated from your reference salary determined by Pôle emploi. This reference salary corresponds to the total remuneration of the employment contract(s) in the reference period (period used for the **calculation** the duration of your right).

### How to calculate the overall workforce?

For **calculate the global headcount**, the number of employees present in the company on 31 December must be taken into account. Each employee counts as one unit, regardless of the duration and working conditions.

### Where to find EMA Urssaf?

The average annual workforce (**EMA**), is now calculated by the**Urssaf** from the information contained in the DSNs filed by the establishments of each company. Currently, the average monthly and annual numbers are made available to declarants on the account **Urssaf** online.

### What unemployment for a salary of 1400 €?

????**What** is the percentage of **salary** gross to **unemployment** ? It depends on your **salary** reference gross monthly. If it is less than 1.186 **€**the percentage is 75% of the **salary** raw. If it is between 1,300 **€** and 2.198**€**the percentage will be equal to 40.40% of the **salary** daily reference + 12.05 **€**.

### What is STP?

The Spanning Tree Protocol (also known as STP) is a Layer 2 network protocol for determining a loop-free network topology (known as the spanning tree algorithm) in bridged LANs. It is defined in the IEEE 802.1D standard and is based on an algorithm described by Radia Perlman in 1985.

### What is the difference between STP and RSTP?

While classic STP can take thirty to fifty seconds to converge after a topology change, RSTP is able to converge in three times the Hello timeout value (two seconds by default for a Hello, i.e. 3 × 2 = 6 seconds of convergence time.), .

### What is the difference between STP and PVST?

Having multiple instances of STP makes better use of trunks in the network, if the STP topology is different for certain VLAN groups. Unlike PVST, however, it is not necessary to have one instance per VLAN, which can be very numerous, the VLANs being grouped.

### What is the difference between MSTP and MISTP?

MSTP was inspired by the Cisco Multiple Instances Spanning Tree Protocol (MISTP). MSTP is compatible with RSTP bridges, the BPDU format being the same.