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Chapter 4
Configuring the PA-4B-U Interfaces
5 minute output rate 0 bits/sec, 0 packets/sec
Using the show isdn status Command
Display all the ISDN interfaces installed in the router and the ISDN switch type for the interfaces using
the show isdn status command.
Cisco 7200 Series Routers and Cisco 7200 VXR Routers—Example Output of the show isdn status Command
Following is an example of a show isdn status command from a Cisco 7200 series router with a
PA-4B-U installed in port adapter slot 1 and an ISDN switch type basic-5ess:
Router# show isdn status
The current ISDN Switchtype = basic-5ess
ISDN BRI1/0 interface
ISDN BRI1/1 interface
(Display text omitted.)
Using the ping Command to Verify Network Connectivity
Use the ping command to verify that an interface port is functioning properly after the system has booted
successfully and is operational.
The ping command sends echo request packets out to a remote device at an IP address that you specify.
After sending an echo request, the command waits a specified time for the remote device to reply. Each
echo reply is displayed as an exclamation point (!) on the console terminal; each request that is not
returned before the specified timeout is displayed as a period (.). A series of exclamation points (!!!!!)
indicates a good connection; a series of periods (.....) or the messages [timed out] or [failed] indicate that
the connection failed.
OL-3521-02
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Layer 1 Status:
ACTIVE
Layer 2 Status:
TEI = 94, State = MULTIPLE_FRAME_ESTABLISHED
Layer 3 Status:
1 Active Layer 3 Call(s)
Activated dsl 0 CCBs = 1
CCB:callid=8001, sapi=0, ces=1, B-chan=1
Layer 1 Status:
DEACTIVATED
Layer 2 Status:
Layer 2 NOT Activated
Layer 3 Status:
No Active Layer 3 Call(s)
Activated dsl 1 CCBs = 0
PA-4B-U Basic Rate Interface Port Adapter Installation and Configuration
Checking the Configuration
4-9
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