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Table 6, Lag events – Alcatel-Lucent 7750 SR OS User Manual

Page 185

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VRRP

7750 SR OS Router Configuration Guide

Page 185

The following example illustrates a LAG priority event and it’s interaction with the hold set timer
in changing the in-use priority.

The following state and timer settings are used for the LAG events displayed in

Table 6

:

User-defined thresholds: 2 ports down

4 ports down

6 ports down

LAG configured ports:

8 ports

Hold set timer (hold-set): 5 seconds

Table 6: LAG Events

Time

LAG Port State

Parameter

State

Comments

0

All ports down

Event State

Set - 8 ports down

Event Threshold

6 ports down

Hold Set Timer

5 seconds

Set to hold-set parameter

1

One port up

Event State

Set - 8 ports down

Cannot change until Hold Set Timer expires

Event Threshold

6 ports down

Hold Set Timer

5 seconds

Event does not affect timer

2

All ports up

Event State

Set - 8 ports down

Still waiting for Hold Set Timer expires

Event Threshold

6 ports down

Hold Set Timer

3 seconds

5

All ports up

Event State

Cleared - All ports up

Event Threshold

None

Event cleared

Hold Set Timer

Expired

100

Five ports down

Event State

Set - 5 ports down

Event Threshold

4 ports down

Hold Set Timer

Expired

Set to hold-set parameter

102

Three ports down

Event State

Set - 5 ports down

Event Threshold

4 ports down

Hold Set Timer

3 seconds

103

All ports up

Event State

Set - 5 ports down

Event Threshold

4 ports down

Hold Set Timer

2 second