Specifies the time value (in seconds) of the BOFL timer. The BOFL
timer will be set to the value of this attribute when the following
conditions are true:
1. The wfFDDIBofl attribute is enabled.
2. The link becomes unavailable.
Upon expiration of the BOFL timer, the LLC interface will be
disabled.
Note also that the BOFL timer will be disabled if the link becomes
operational (available) before the timer expires..