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VM-Series Plugin 5.1.0

Learn what's new in VM-Series plugin 5.1.0.
The VM-Series plugin 5.1.0 includes new fixes to improve your experience with the VM-Series firewall.
VM-Series plugin 5.1.0 is the minimum required plugin version for VM-Series firewall running PAN-OS 11.2.
Refer to the Compatibility Matrix to correlate this VM-Series plugin version with a PAN-OS version.

Reduce Maximum Session Count on VM-Series Firewalls

Beginning with PAN-11.2.0 and VM-Series plugin 5.1.0 (required for 11.2), the maximum session count has been reduced for each memory profile. This change helps ensure that the VM-Series firewall has enough memory to support the various features that secure your virtual network. Additionally, wshen GTP, session resiliency, or virtual system is enabled, the new maximum session counts are reduced by 30%. For example, if you deploy a VM-Series firewall with 14GB of memory, that firewall has a maximum session count of 1,100,000 sessions. However, if you enable session resiliency on that firewall, the maximum session count is reduced to 770,000 sessions.
Memory
Old Maximum Session Count
New Maximum Session Count
4.5GB
20,000
5GB
40,000
5.5GB
50,000
6GB
100,000
6.5GB
200,000
7GB
300,000
250,000
8GB
500,000
300,000
9GB
600,000
400,000
10GB
800,000
500,000
12GB
1,000,000
800,000
14GB
1,100,000
1,100,000
16GB
1,100,000
1,100,000
18GB
1,200,000
1,200,000
20GB
1,800,000
1,800,000
24GB
3,600,000
2,500,000
28GB
4,400,000
2,800,000
32GB
5,200,000
3,500,000
36GB
6,000,000
4,500,000
40GB
6,800,000
5,500,000
44GB
6,800,000
6,750,000
48GB
7,600,000
7,000,000
52GB
8,400,000
8,150,000
56GB
9,200,000
8,500,000
64GB
10,000,000
8,250,000
128GB
14,000,000
10,000,000

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