Allied Telesyn International Corp TurboStack AT-S6 User's Guide download pdf (Page 33)

AT-S10 Management Software User’s Guide

When the secondary port takes over, the port status shows Port 13,

the primary, as Disabled/RL; and Port 1, the secondary, as

Normal/RL.

To configure Check and return to primary timer:

The value you enter here has no effect if the primary port’s failure is due

to loss of link.

When the primary port is autopartitioned or is not receiving data, the

secondary port becomes enabled. Within the period you specify here, the

software does not check the primary port.

The timer indicates how long you want the secondary port to remain

enabled before checking if the primary port can receive data again or is no

longer partitioned. The default is 60 seconds.

This parameter provides you the ﬂexibility to adapt to your requirements.

For example, you may base the checking time on how long it takes for

someone to ﬁx the problem once the SNMP trap is received. This may be 5

minutes on typical days. If you know how long a primary port cannot

receive data because this port services an area in your building that is

being remodeled for two days, you want this timer value to encompass or

even exceed two days; but once this temporary condition goes away, you

can reconﬁgure the timer back to your standard, routine value.

1. Enter C to get the next screen.

2. Enter a value from 0-65,535 seconds.

NOTE

If your Check and return to primary timer is 0 and the primary port

fails, the secondary port takes over indefinitely. You must manually enable

the primary port through the Port status menu.

To configure Resample timer:

The value you enter here has no effect if the primary port’s failure is due

to loss of link.

This timer indicates how long you want the software to test if the primary

port is able to receive data or is no longer partitioned. This timer begins

once the Check and return to primary timer has expired (ﬁve

minutes based on the previous example). If the test shows that the

primary port is still not receiving data or is still partitioned, the secondary

port remains enabled. While sampling the primary port, the secondary

port cannot transmit packets received. To minimize packet loss, you may

want to enter a very low value. The default is 200 milliseconds.

1. Enter D to get the next screen.

2. Enter a value from 100-65,535 milliseconds.

After entering the above values, you are taken back to the Port

Configuration screen.

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Allied Telesyn International Corp TurboStack AT-S6 User's Guide Page 33