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Cisco Router and Security Device Manager 2.5 User’s Guide
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Chapter5 Configuring WAN Connections
Configuring an ISDN Connection
Advanced Options
Dial String
Summary
ISDN Wizard Welcome Window
PPP is the only type of encoding supported over an ISDN BRI by Cisco SDM.
IP Address: ISDN BRI or Analog Modem
Choose the method that the ISDN BRI or analog modem interface will use to
obtain an IP address.
Field Reference
Table 5 -15 describes the fields in this screen.
Table5-15 IP Address for ISDN BRI or Analog Modem Fields
Element Description
Static IP Address If you choose Static IP Address, enter the IP address and subnet
mask or the network bits in the fields provided. For more
information, see IP Addresses and Subnet Masks.
IP Unnumbered Choose IP Unnumbered if you want the interface to share an IP
address that has already been assigned to another interface. Then,
choose the interface that has the IP address that you want the
interface that you are configuring to use.
Easy IP (IP Negotiated) Choose IP Negotiated if the interface will obtain an IP address
from your ISP through PPP/IPCP address negotiation whenever a
connection is made.
Dynamic DNS Choose Dynamic DNS if you want to update your DNS servers
automatically whenever the WAN interface IP address changes.
Click the Dynamic DNS button to configure dynamic DNS.