Quotas and limits
Yandex Virtual Private Cloud
Yandex Virtual Private Cloud has the following limits:
- Quotas are organizational restrictions that can be changed by technical support on request.
- Limits are technical restrictions due to the Yandex.Cloud architecture specifics. The limits cannot be changed.
You can view your current account quotas in the management console.
Quotas
| Type of limit | Value |
|---|---|
| Number of cloud networks per cloud | 2 |
| Number of subnets per cloud | 6 |
| Number of all public IP addresses per cloud | 8 |
| Number of static public IP addresses per cloud | 2 |
| Number of routing tables per cloud | 8 |
| Number of static routes per cloud | 256 |
| Maximum number of security groups | 10 |
Limits
| Type of limit | Value |
|---|---|
| Minimum CIDR size for a subnet | /28 |
| Maximum CIDR size for a subnet | /16 |
| Maximum number of simultaneous TCP/UDP connections per VM | 50,000 |
| Supported network and transport layer protocols | IP, ICMP, TCP, UDP, GRE |
| Maximum number of security groups per interface | 5 |
| Maximum number of rules per security group | 50 |
| Maximum number of CIDRs per rule | 50 |
| Size of the DNS server IP address list | 100 characters |
Outgoing traffic filtering
Yandex.Cloud always blocks outgoing traffic to TCP port 25:
- To any servers on the internet other than Yandex.Mail servers.
- To Yandex Compute Cloud VMs when accessed via a public IP address.
Yandex.Cloud may open TCP port 25 by request via technical support if you comply with Acceptable Use Policy. Yandex.Cloud is entitled to block outgoing traffic on TCP port 25 if you violate the Use Policy.
Yandex Cloud Interconnect
Yandex Cloud Interconnect has the following limits:
Quotas
| Type of limit | Value |
|---|---|
| Number of private connections on a single trunk link | 2 |
Limits
| Type of limit | Value |
|---|---|
| The maximum number of prefixes that can be accepted by a cloud | 500 |