IS-IS Operational Mode Commands

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Table 69 summarizes the command-line interface (CLI) commands you can use to monitor and troubleshoot the Intermediate System-to-Intermediate System (IS-IS) protocol. Commands are listed in alphabetical order.

Table 69: IS-IS Operational Mode Commands

Task	Command
Remove adjacencies.	clear isis adjacency
Remove database entries.	clear isis database
Reset IS-IS dynamic overload bit.	clear isis overload
Set IS-IS traffic statistics to zero.	clear isis statistics
Display adjacent routers.	show isis adjacency
Display authentication statistics.	show isis authentication
Display database entries.	show isis database
Display hostname mapping.	show isis hostname show isis hostname
Display the status of interfaces on which IS-IS is running.	show isis interface
Display IS-IS overview information.	show isis overview
Display IS-IS routing table entries.	show isis route
Display SPF calculations.	show isis spf
Display IS-IS traffic statistics.	show isis statistics

Note: For more IS-IS-related commands, such as show route protocol, show route instance, and show route table, see Protocol-Independent Routing Operational Mode Commands. For information about monitoring Bidirectional Forwarding Detection (BFD) sessions for IS-IS clients, see BFD Operational Mode Commands. For information about how to configure IS-IS, see the JUNOS Routing Protocols Configuration Guide.

Note: In IS-IS command output, the CLI displays the system ID numerically by default. To display the hostname instead, include the static-host-mapping statement at the [edit system] hierarchy level of the configuration.

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