Avaya Configuring Frame Relay Services Bedienungsanleitung PDF herunterladen (Seite 65)

Frame Relay Overview

117376-C Rev. 00

2-35

Transmit Inactivity Timer and Protocol Priority No-Reset Filter

A Protocol Priority filter with a No-Reset action affects the operation of the timer

that monitors data the router transmits. Normally this timer restarts for timer

modes Both, Either, or Transmit Only. But data the router transmits over an SVC

that matches a Protocol Priority filter with a No-Reset action does not restart the

transmit inactivity timer. This may cause the SVC to disconnect even though it is

transmitting data.

Managing Routing Information Protocol (RIP) Over SVCs

RIP is a mechanism that IP and IPX use to inform network entities of routing

topology changes. The IP and IPX protocols allow you various controls over the

frequency and destination of RIP packets. Because RIP packets can affect how the

router establishes and disconnects frame relay SVCs, the software has controls

that apply to how RIP interacts with the frame relay SVC Inactivity Timer

parameter and the Inactivity Timer Mode parameter. For more information, see

Appendix B, “RIP Management for Frame Relay SVCs.”

Multiline for PVCs

Frame relay provides a link redundancy feature called multiline, which works

with frame relay PVCs. Multiline is a Bay Networks proprietary implementation

that lets you group two or more physical lines that back each other up in case of a

failure. This ensures that information arrives at its destination on the network. In

addition, if both lines are up, the router uses both lines simultaneously. Two or

more physical lines must be available for a multiline configuration. Figure 2-12

illustrates a multiline configuration.

Figure 2-12. Multiline Network

Line A

Line B

Router

DLCI 100

Router

DLCI 200

Frame

relay

network

FR0009A

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Avaya Configuring Frame Relay Services Bedienungsanleitung Seite 65