End-of-Life (EoL)
Shared gateways allow multiple virtual systems to share a single interface for external communication (typically connected to a common upstream network such as an Internet Service Provider). All of the virtual systems communicate with the outside world through the physical interface using a single IP address. A single virtual router is used to route traffic for all of the virtual systems through the shared gateway.
Shared gateways use Layer 3 interfaces, and at least one Layer 3 interface must be configured as a shared gateway. Communications originating in a virtual system and exiting the firewall through a shared gateway require similar policy to communications passing between two virtual systems. You could configure an ‘External vsys’ zone to define security rules in the virtual system.
Shared Gateway Setting Description
ID Identifier for the gateway (not used by firewall).
Name Enter a name for the shared gateway (up to 31 characters). The name is case-sensitive and must be unique. Use only letters, numbers, spaces, hyphens, and underscores. Only the name is required.
DNS Proxy (Optional) If a DNS proxy is configured, select which DNS server(s) to use for domain name queries.
Interfaces Select the interfaces the shared gateway will use.

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