103
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Backup Data Lines and Remote Management
Configuring Backup Interfaces
Configuring DDR Backup Using Floating Static Route
To configure a floating static default route on the secondary interface, use the following commands,
beginning in global configuration mode.
Note
Make sure you have IP classless enabled on your router.
SUMMARY STEPS
1.
configure terminal
2.
ip route
network-number network-mask
{
ip address
|
interface
} [
administrative-distance
] [
name
name
]
Step 6
ip access-list
access-list-number
permit
ip-source-address
Example:
Router(config)# access list 2 permit 10.4.0.0
Defines traffic of interest.
Do not use the
access list permit all
command to
avoid sending traffic to the IP network. This may
result in call termination.
Step 7
interface cellular
0
Example:
Router (config)# interface cellular 0
Specifies the cellular interface.
Step 8
dialer string
string
or
dialer group
dialer-group-number
Example:
Router (config-if)# dialer string cdma *** cdma ***
Example:
Router (config-if)# dialer group 2 *** gsm ***
CDMA only—
dialer string
string
specifies the
dialer script. (The dialer script is defined by using
the
chat script
command).
GSM only—
dialer group
dialer-group-number
maps a dialer list to the dialer interface.
Command or Action
Purpose
