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Cisco IOS Dial Services Quick Configuration Guide
Chapter 3 Configuring the Cisco 1604 Router
Verifying DDR Configuration
Step 6 Build a dialer map that maps to the Cisco AS5300’s IP address, host name, and directory number. The
static route in Step 8 points to this dialer map.
robo-austin(config-if)# dialer map ip 10.1.254.1 name hq-sanjose 14085551234
robo-austin(config-if)# exit
Step 7 Define a DDR’s dialer-list to allow any IP packets to establish and maintain calls.
robo-austin(config)# dialer-list 2 protocol ip permit
Step 8 Create a static route for the next hop, which is the Cisco AS5300’s WAN port. IP address 10.1.254.1 is
used on the Cisco AS5300’s dialer interface. This static route points at the dialer map on the access
server’s dialer interface.
robo-austin(config) ip route 0.0.0.0 0.0.0.0 10.1.254.1 permanent
Step 9 Enter the password used by the Cisco 1604 for when the Cisco AS5300 (hq-sanjose) authenticates by
using CHAP. On Cisco IOS devices, the PPP name is determined by one of the following commands:
hostname, sgbp group, ppp pap sent-username, or ppp chap hostname.
robo-austin(config)# username hq-sanjose password austin-pw
Step 10 Ensure that all unknown subnets use the default route.
robo-austin(config)# ip classless
Verifying DDR Configuration
To verify the Cisco 1604’s DDR configuration:
Step 1 Enter the show ip route command to confirm that the static route is installed and pointing at your dialer
map address. Configure the static IP default route before you enter this command:
robo-austin# show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default
U - per-user static route, o - ODR
Gateway of last resort is 10.1.254.1 to network 0.0.0.0
10.0.0.0/24 is subnetted, 2 subnets
C 10.1.4.0 is directly connected, Ethernet0
C 10.1.254.0 is directly connected, BRI0
S* 0.0.0.0/0 [1/0] via 10.1.254.1
Note The static route is the first software building block that receives the packet routed
to the dialer map. The route must direct the packets to the dialer map before the
DDR features can establish connectivity.