show dialer [interface type number]
interface Displays information for the interface specified by the arguments type and number
To display general diagnostic information for interfaces configured for DDR (dial-on-demand routing), use the show dialer command in EXEC mode.
The following is an output example from the show dialer command for a BRI interface when dialer profiles are configured:Router#show dialer interface bri 0BRI0 - dialer type = ISDN Dial String Successes Failures Last called Last status 0 incoming call(s) have been screened. BRI0: B-Channel 1 Idle timer (120 secs), Fast idle timer (20 secs) Wait for carrier (30 secs), Re-enable (15 secs) Dialer state is data link layer up Dial reason: ip (s=22.214.171.124, d=126.96.36.199) Interface bound to profile Dialer0 Time until disconnect 102 secs Current call connected 00:00:19 Connected to 5773872 (wolfman) BRI0: B-Channel 2 Idle timer (120 secs), Fast idle timer (20 secs) Wait for carrier (30 secs), Re-enable (15 secs) Dialer state is idle
The following table describes significant fields shown in the display:Table: Show Dialer Interface BRI Field Descriptions
BRI0 - dialer type = ISDN
Dial strings of logged calls (telephone numbers). On ISDN BRI interfaces, if you have specified a subaddress number in the dialer string, this number is included in the dial string after a colon.
Successful connections (even if no data is passed).
Failed connections; call not successfully completed.
Time that last call occurred to specific dial string.
Status of last call to specific dial string (successful or failed).
0 incoming call(s) have been screened.
Number of calls subjected to Dialer Profiles screening to determine how the call is to be treated.
BRI0: B-Channel 1
Header indicating the following data is for B channel 1.
Idle timer (120 secs), Fast idle timer (20 secs)
Settings (in seconds) for the idle timer and the fast idle timer.
Wait for carrier (30 secs), Re-enable (15 secs)
Settings (in seconds) for the wait for carrier timer and the reenable timer.
Dialer state is data link layer up
The message "data link layer up" suggests that the dialer came up properly, if it says anything else then dialer did not come up properly. The message "physical layer up" means the line protocol (LCP) came up, but the NCP did not come up. The show interfaces command also provides the similar information.
Dial reason: ip (s=188.8.131.52, d=184.108.40.206)
What initiated the dial, namely an IP packet, plus source and destination address in the packet.
Interface bound to profile Dialer0
Dialer profile that is bound to this interface or B channel.
Time until disconnect
Time until line is configured to disconnect. This field is displayed if the interface is currently connected to a destination.
Current call connected
Time at which the current call was connected.
Dial string to which line is currently connected.
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