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Cisco IOS Dial Services Quick Configuration Guide
Chapter 3 Configuring the Cisco 1604 Router
Step 6—Testing the Cisco 1604 Connection to the Cisco AS5300
Step 3 Verify that the correct dialer map exists:
robo-austin# show dialer map
Static dialer map ip 10.1.254.1 name hq-sanjose (14085551234) on BRI0
Step 4 Ping the IP address assigned to the Cisco AS5300’s dialer interface. Note that the Cisco 1604
(robo-austin) quickly gets 4 of 5 pings back from the Cisco AS5300 (hq-sanjose). After the ping is sent,
examine the background processes in the debug output that follows the ping example shown below:
robo-austin# ping 10.1.254.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.254.1, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 116/182/372ms
robo-austin#
The following comments apply to the debug output example that follows:
a. See 08:03:55.
The source and destination IP addresses of the DDR dial cause display.
(
s=10.1.254.4, d=10.1.254.1)
b. See 08:03:55.
Hq-sanjose’s hunt group number is dialed.
(
Attempting to dial 14085551234)
c. See 08:03:55.
ISDN Setup is transmitted.
(
TX -> SETUP pd = 8 callref = 0x2F)
d. See 08:03:55.
A synchronous data bearer capability displays.
(
Bearer Capability i = 0x8890)
e. See 08:03:55.
The outgoing LCP configuration request is made.
(
BR0:1 LCP: O CONFREQ [Closed] id 42 len 28)
f. See 08:03:55.
The incoming LCP configuration request wants to authenticate with CHAP.
(
AuthProto CHAP (0x0305C22305))
g. See 08:03:55.
The outgoing acknowledgment says this peer will do CHAP.
(
LCP: O CONFACK [REQsent])
h. See 08:03:55.
Both PPP peers have received LCP CONFACK. LCP is now open.
(
BR0:1 LCP: State is Open)
i. See 08:03:55.
Authentication phase is initiated by robo-austin.
(
BR0:1 PPP: Phase is AUTHENTICATING, by the peer)
j. See 08:03:55.
Robo-austin accepts a CHAP challenge initiated by hq-sanjose. The device robo-austin is not
authenticating hq-sanjose, which is the desired behavior for this scenario.
(
BR0:1 CHAP: I CHALLENGE id 5 len 31 from "hq-sanjose")
(
BR0:1 CHAP: O RESPONSE id 5 len 32 from "robo-austin")