Allied Telesis AT-S60 - Manual (Page 454)

Chapter 20: GARP VLAN Registration Protocol
Section IV: VLANs 454
6. Choose one of the following:
E to enable GIP.
D to disable GIP.
Note
Do not disable GIP if you intend to use GVRP. GIP is required to
propagate VLAN information among the ports of the switch.
Caution
The following steps change the three GVRP timers. Please note that
the settings for these timers must be the same on all GVRP-active
network devices.
7. To change the value of the Join Timer, type 3.
The following prompt is displayed:
Enter new value (in centi seconds): [10 to 60] -> 20
8. Enter a new value for the Join Timer field in centi seconds which are
one hundredths of a second. The default is 20 centiseconds.
If you change this field, it must in relation to the GVRP Leave Timer
according to the following equation:
Join Timer <= (2 x (GVRP Leave Timer))
9. To set the GVRP Leave Timer, type 4 to select GVRP Leave Timer.
The following prompt is displayed:
Enter new value (in centi seconds): [30 to 180] -> 60
10. To set the GVRP Leave All Timer, type 5 to select GVRP Leave All Timer.
The default is 60 centiseconds.
The following prompt is displayed:
Enter new value (in centi seconds): [500 to 3000] -
> 1000
11. Enter a value in centiseconds. The default is 1000 centiseconds.