ISDN Interface Operational Mode Commands

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Table 89 summarizes the command-line interface (CLI) commands you can use to monitor and troubleshoot Integrated Services Digital Network (ISDN) interfaces. Commands are listed in alphabetical order.

Table 89: ISDN Interface Operational Mode Commands

Task	Command
Clear ISDN Q.921 statistics.	clear isdn q921 statistics
Clear ISDN Q.931 statistics.	clear isdn q931 statistics
Display ISDN services default software values.	show dialer defaults
Display ISDN dialer interface information.	show dialer interfaces
Display ISDN dialer pool information.	show dialer pools
Display ISDN B-channel interface information.	show interfaces (ISDN B-Channel)
Display ISDN Basic Rate Interface (BRI) information.	show interfaces (ISDN BRI)
Display ISDN D-channel interface information.	show interfaces (ISDN D-channel)
Display ISDN dialer interface information.	show interfaces (ISDN Dialer)
Display ISDN calls.	show isdn calls
Display ISDN call history.	show isdn history
Display Layer 2 ISDN status and statistics.	show isdn q921 statistics
Display Layer 3 ISDN status and statistics.	show isdn q931 statistics
Display ISDN status information.	show isdn status

Note: ISDN is supported on the J-series routing platform only. J-series Services Routers can be configured to "fail over" to an ISDN interface when the primary connection experiences interruptions in Internet connectivity. The following interfaces support ISDN backup connectivity: E1, E3, Fast Ethernet, generic routing encapsulation (GRE), Point-to-Point Protocol over Ethernet (PPPoE), serial, T1, and T3. For information about how to configure ISDN interfaces, see the J-series Services Router Basic LAN and WAN Access Configuration Guide or the JUNOS Network Interfaces Configuration Guide.

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