This article explains how to use the IP Allocation Policy screen to define the Dynamic IP range for SDP users in your account. In addition, you can allocate Static IP addresses for specific SDP users.
Note: This is an Early Availability (EA) feature that is only available for limited release. For more information, contact your Cato Networks representative or send an email to firstname.lastname@example.org.
The IP Allocation Policy defines the IP ranges that Cato assigns to Clients when they connect a device to the Cato Cloud. The default setting is to dynamically allocate the IPs based on the unique network range defined for your account. When the Client disconnects from the network, this dynamic IP address is only reserved for a few minutes.
You can also choose to assign static fixed IP addresses to specific SDP users. The static IP address is reserved for that SDP user, and is allocated to them when they authenticate and connect with the Client. SDP users that aren't assigned static IP addresses are allocated an IP from the Dynamic IP range.
This feature is only for SDP users, and not for users located in an office behind a Socket.
SDP users need to disconnect and reconnect the Cato Client to receive the IP Allocation Policy. SDP Users with Always-On enabled require a bypass code to disconnect and reconnect from the Client
For accounts with equipment that uses fixed IP addresses, for example routers with an Access Control List (ACL), some users are defined specific IPs for the router. This means that they are only allowed to access the network from that IP address.
Customers can use the IP Allocation Policy to assign a Static IP for an SDP user that matches the IP in the ACL. Then the Client is always assigned the same IP, and the router allows the SDP user to access the network.
The Dynamic IP Range is the range of IP addresses that are allocated to Clients when they connect to the Cato Cloud. The default range is 10.41.0.0/16, and if you need to change it, it must be a unique network range and can’t overlap with any other network range defined in your account.
The lease time for the dynamically allocated IP addresses is 2 minutes, and afterwards the IP address is available for other users.
For specific SDP users, you can define the static IP that is allocated to them when they use the Client to connect to the network. First define the IP range for the static IP addresses, and then define the unique IP address for each SDP user.
For SDP users that are already connected to the network, when you allocate them a static IP address the Client disconnects and then automatically reconnects using the static IP.
To allocate Static IPs to an SDP user:
In the Static IP section, select Enable Static IPs.
The toggle is green when enabled.
In IP Range, enter the range of IP addresses that are available for the static IPs.
In the Allocate IP per SDP User section, assign the static IP to the SDP user:
In SDP Users, select the user you are assigning the static IP.
Enter the static IP address that is within the IP Range, and click Add.
Repeat the previous two steps for additional SDP users.
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