Example Isdn Configuration - Cisco CISCO2515-RF - 2515 Router User Manual

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Step 9
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Step 15
Example ISDN Configuration
For your reference, Table 4-3 shows an example configuration for two Cisco routers using
IP over ISDN. In the example, the current router (branch1) is at a remote site and the target
router (main1) is at a central site.
Enter the dialer map command to provide the information necessary to
successfully route packets to the target router. Do not use periods or hyphens
when entering the number to dial:
Router (config-if)# dialer map protocol targetBRIport_ipaddress
name targetrouter_number
Enter the dialer-group command to specify the number of the group permitted
to access the router:
Router (config-if)# dialer-group groupnumber
Enter the exit command to exit interface configuration mode.
Enter the dialer list command to specify the groups and protocols permitted to
access the router:
Router (config)# dialer-list groupnumber protocol protocol_type
permit
Configure a static route to allow connection to the target router's LAN. Enter the
IP address and subnet mask of the target router's LAN interface, and the IP
address of the target router's BRI port:
Router (config)# ip route targetrouter_ipnetwork subnetmask
targetBRIport_ipaddress
Enter the exit command to exit global configuration mode.
Enter the copy running-config startup-config command to save the
configuration to NVRAM.
Configuring ISDN
Configuring the Router 4-21

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