Specifications

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Chapter 7 Configuring Frame Relay
ISDN as a Backup Connection with FloatingStaticRoutes
Figure 7-4 Configuration Example—ISDN as Backup Connection with Floating Static Routes
Assumptions
In addition to the assumptions listed in the “Before You Begin” section of this
chapter, the configuration in this section is based on the following assumptions:
• Frame Relay is being used as the primary WAN connection to the central site.
• You are routing IP data.
• The ISDN line is the being used as the secondary WAN connection to the
central site.
Frame Relay
ISDN
S6685
Remote site
Central site
Ethernet interface
IP address: 172.16.25.42
ISDN interface:
IP unnumbered
Network addresses:
IP: 172.16.25.0
IPX: ABC
ISDN interface
IP address:
192.168.41.41
Username: HQ
Phone: [phone]
PPP password: guessme
1700
Router
IPX network: 9876
IPX network: 1234