<s>
Maximum	B-Protocol
segment	I-Protocol
lifetime	I-Protocol
or	O
MSL	O
is	O
the	O
time	O
a	O
TCP	B-Protocol
segment	B-Protocol
can	O
exist	O
in	O
the	O
internetwork	B-Architecture
system	O
.	O
</s>
<s>
On	O
FreeBSD	B-Operating_System
systems	O
this	O
description	O
and	O
value	O
can	O
be	O
checked	O
by	O
the	O
command	O
sysctl	B-Application
:	O
</s>
