Cisco Systems WSC4500X16SFP Manual De Usuario
33-21
Software Configuration Guide—Release 12.2(25)SG
OL-7659-03
Chapter 33 Configuring Network Security with ACLs
Using VLAN Maps with Router ACLs
Figure 33-5 Applying ACLs on Switched Packets
ACLs and Routed Packets
shows how ACLs are applied on routed packets. For routed packets, the ACLs are applied
in this order:
1.
VLAN map for input VLAN
2.
Input router ACL
3.
Output router ACL
4.
VLAN map for output VLAN
VLAN 10
map
Frame
Input
router
ACL
Output
router
ACL
Routing function
Catalyst 4500 series switch
VLAN 10
VLAN 20
Host C
(VLAN 10)
Host A
(VLAN 10)
VLAN 20
map
Packet
94156