Before we start deep diving into the Azure components, let us take a view on the networking limits in Azure:
Resource |
Default limit |
Maximum limit |
Virtual networks per subscription |
50 |
500 |
DNS servers per virtual network |
9 |
25 |
Private IP addresses per virtual network |
4,096 |
4,096 |
Concurrent TCP connections for a virtual machine or role instance |
500k |
500k |
Network interfaces |
300 |
10k |
Network security groups |
100 |
400 |
NSG rules per NSG |
200 |
500 |
User defined route tables |
100 |
400 |
User defined routes per route table |
100 |
400 |
Public IP addresses (dynamic) |
60 |
Limit can be increased by support |
Public IP addresses (static) |
20 |
Limit can be increased by support |
Load balancers (internal and Internet facing) |
100 |
Limit can be increased by support |
Load balancer rules per load balancer |
150 |
150 |
Public... |