You are creating a new user account on your Junos device.

User access control in Junos OS is managed through the application of permission flags within login classes. When an architect needs to define a role that allows for robust monitoring and troubleshooting without granting authority to alter the device ' s operational state, the view permission flag is the appropriate selection. This flag grants the user the ability to execute the majority of show commands in operational mode, which includes viewing the routing table, inspecting interface statistics, and checking hardware status.

The view permission is specifically designed for " read-only " access. It ensures that the user can observe all necessary telemetry data to validate network health—satisfying the requirement to check routing and interface stats—while strictly prohibiting access to configuration mode or any set commands. This contrasts with the configure flag, which allows modification of the candidate configuration, or the network flag, which provides specific permissions related to network-level operational tasks. By assigning a user to a class restricted with the view flag, an administrator maintains a secure environment where support personnel can diagnose issues without the risk of accidental or unauthorized configuration changes. This principle of least privilege is a cornerstone of Junos security management. Reference: User Interfaces, User Management and Access Control.

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