Reserving Line Resources
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Supported Media
You must enable the Resource Manager on 10-Mb/s and 100-Mb/s Ethernet,
FDDI, MCT1, HSSI, and synchronous interfaces that are configured with RSVP.
The Resource Manager supports the following synchronous interface
encapsulation methods:
• Point-to-Point Protocol (PPP)
• Bay Networks Standard
• FDDI
• 100 Mb/s Ethernet
How the Resource Manager Works with RSVP
The exchange between RSVP and the Resource Manager consists of the following
steps:
1. The router receives an RSVP reserve message. The reserve message includes
a flow specification (flowspec) that indicates the resources needed to meet the
QoS.
2. RSVP passes the flowspec to the Resource Manager.
3. The Resource Manager compares the requested resources with available
reservable bandwidth. The Resource Manager determines reservable
bandwidth from configured values described later in this chapter. It also
accounts for any active reserved flows.
4. The Resource Manager either reserves the necessary services or refuses
service.
Note:
You cannot use line resource management on a line you configured for
PPP multilink.
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