3Com 4200G 12-Port Configuration Manual page 356

Network diagram
Figure 1-6 Network diagram for applying an ACL to a VLAN
GE1/0/1
GE1/0/2
VLAN 10
PC 1
Configuration procedure
# Define a periodic time range that is active from 8:00 to 18:00 in working days.
<Sysname> system-view
[Sysname] time-range test 8:00 to 18:00 working-day
# Define an ACL to deny packets destined for the database server.
[Sysname] acl number 3000
[Sysname-acl-adv-3000] rule 1 deny ip destination 192.168.1.2 0 time-range test
[Sysname-acl-adv-3000] quit
# Apply ACL 3000 to VLAN 10.
[Sysname] packet-filter vlan 10 inbound ip-group 3000
Database server
192.168.1.2
GE1/0/3
PC 2 PC 3
1-16