Finally, because PPP with CHAP authentication is being used, also debug PPP as follows:
SanJose1#debug ppp authentication
SanJose1#debug ppp negotiation
Now, ping Host A from Host B. There will be a number of debug outputs. These will include a dialer
debug on Capetown that should report the following:
00:56:00: BRI0/0 DDR: Dialing cause ip (s=192.168.216.2, d=192.168.0.2)
00:56:00: BRI0/0 DDR: Attempting to dial 5551000
Also, Capetown should report that channel B1 is now up, as the following shows:
00:56:01: %LINEPROTO-5-UPDOWN:Line protocol on Interface BRI0/0:1,changed state
to up
00:56:06: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to 5551000
SanJose1
Troubleshoot this connection as necessary. Use the debug output for clues. The clear
interface bri0/0 command may need to be used several times on both routers to reset the
interfaces.
Note: To manually disconnect an ISDN call on BRI0/0, use the following command:
SanJose1#isdn disconnect interface bri0/0 [all, b1, b2]
Continue testing the ISDN connection, ping Host A from Host B and Host B from Host A.
The show isdn history command can also be issued to view all active and prior ISDN
connections. The show isdn active command will output information about the current active
connection. The following are sample outputs of both commands:
SanJose1#show isdn history
-------------------------------------------------------------------------------
ISDN CALL HISTORY
-------------------------------------------------------------------------------
History table has a maximum of 100 entries.
History table data is retained for a maximum of 15 Minutes.
-------------------------------------------------------------------------------
Call Calling Called Remote Seconds Seconds Seconds Charges
Type Number Number Name Used Left Idle
Units/Currency
-------------------------------------------------------------------------------
In Failed
Out +ilable---- 5551000 Capetown 60
Out +ilable---- 5551000 Capetown 40 19 40
-------------------------------------------------------------------------------
Capetown#show isdn active
-------------------------------------------------------------------------------
ISDN ACTIVE CALLS
-------------------------------------------------------------------------------
History table has a maximum of 100 entries.
History table data is retained for a maximum of 15 Minutes.
-------------------------------------------------------------------------------
Call Calling Called Remote Seconds Seconds Seconds Charges
Type Number Number Name Used Left Idle
Units/Currency
-------------------------------------------------------------------------------
6 - 7 CCNP 2: Remote Access v 3.0 - Lab 4.9.1 Copyright 2003, Cisco Systems, Inc.
(2 Seiten)
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