R3204P16-HP Load Balancing Module Security Command Reference-6PW101

126
<Sysname> system-view
[Sysname] session aging-time syn 60
session checksum
Syntax
session checksum { all | { icmp | tcp | udp } * }
undo session checksum { all | { icmp | tcp | udp } * }
View
System view
Default 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.
Description
Use the session checksum command to enable checksum verification for protocol packets.
Use the undo session checksum command to disable checksum verification.
By default, checksum verification is disabled.
Examples
# Enable checksum verification for UDP packets.
<Sysname> system-view
[Sysname] session checksum udp
session persist acl
Syntax
session persist acl acl-number [ aging-time time-value ]
undo session persist
View
System view
Default Level
2: System level
Parameters
acl-number: ACL number, in the range 2000 to 3999.
aging-time time-value: Specifies the aging time for persistent sessions, in hours. The value ranges from 0
to 360 hours and defaults to 24 hours. A value of 0 means the persistent sessions are never aged.