
Configuring Dial Services
3-22
Protocol Configuration for Demand Circuit Groups
You must configure a demand circuit group with one of the following unnumbered
protocols:
• IP with either RIP or OSPF as the routing protocol
• IPX with RIP, SAP, and/or NLSP as the routing protocol
• Bridging
The protocol configuration applies to all circuits in the group and applies to a list
of remote nodes that can call the recovery router.
Without the use of specific network addresses, the recovery router must use
routing updates to determine the data path to the remote nodes. Unlike individual
demand circuits, you can enable routing protocols for a demand circuit group
without the update protocol establishing a switched connection unnecessarily. The
demand circuit group and its protocol interface are active only when the physical
connection is active. Without a physical line available, no circuit or protocol
information, for example, RIP update packets, pass from one router to the next.
Note: When you configure a protocol for a demand circuit group, Site
Manager requires that you also configure a routing protocol.
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