Avaya Configuring PPP Services Bedienungsanleitung PDF herunterladen (Seite 47)

PPP Concepts

117360-A Rev. A 2-21

For example, in Figure 2-5, the acceptable outbound and inbound link quality

conﬁgured on router A for the PPP interface is 100 percent. After ﬁve LQR

periods, router A calculates the outbound and inbound link quality averages and

determines that the inbound link quality average is below the 100 percent

threshold (in this case, 90 percent). As a result, router A disables the link.

Outbound average after 5 LQR periods = 100%

Inbound average after 5 LQR periods = 90%

Figure 2-5. Link Quality Monitoring from Router A’s Perspective

LQR Period

Packets Router A

Transmitted

Packets Router B

Received

Outbound Link

Quality Router A

1 100 100 100%

2 100 100 100%

3 100 100 100%

4 100 100 100%

5 100 100 100%

LQR Period

Packets Router A

Received

Packets Router B

Transmitted

Inbound Link Quality

Router A

1 90 100 90%

2 90 100 90%

3 90 100 90%

4 90 100 90%

5 90 100 90%

Router A Router B

PPP0004A

Synchronous line

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Avaya Configuring PPP Services Bedienungsanleitung Seite 47