389
•
TCP ESTABLISHED state: 3600 seconds.
•
UDP OPEN state: 30 seconds.
•
UDP READY state: 60 seconds.
To display the session aging timers in different protocol states, use the
display session aging-time
command.
Examples
# Set the aging time for TCP sessions in the SYN_SENT or SYN_RCV state to 60 seconds.
<Sysname> system-view
[Sysname] session aging-time syn 60
session checksum
Use
session checksum
to enable checksum verification for protocol packets.
Use
undo session checksum
to disable checksum verification.
Syntax
session checksum
{
all
| {
icmp
|
tcp
|
udp
} *
}
undo session checksum
{
all
| {
icmp
|
tcp
|
udp
} *
}
Default
Checksum verification is disabled.
Views
System view
Default command level
2: System level
Parameters
all
: Enables checksum verification for TCP, UDP, and ICMP packets.
icmp
: Enables checksum verification for ICMP packets.
tcp
: Enables checksum verification for TCP packets.
udp
: Enables checksum verification for UDP packets.
Examples
#
Enable checksum verification for UDP packets.
<Sysname> system-view
[Sysname] session checksum udp
session early-ageout
Use
session early
-
ageout
to set the time value to shorten the session aging time.
Use
undo session early
-
ageout
to restore the default.
Syntax
session early
-
ageout
shorten-time
threshold-high
threshold-high-value
threshold-low
threshold-low-value
undo session early
-
ageout