Acls And Routed Packets - Cisco WS-C3750-48PS-S Software Configuration Manual

Chapter 31 Configuring Network Security with ACLs
Figure 31-7 Applying ACLs on Bridged Packets
Host A
(VLAN 10)

ACLs and Routed Packets

Figure 31-8
in this order:
1.
2.
3.
4.
Figure 31-8 Applying ACLs on Routed Packets
Host A
(VLAN 10)
78-16180-02
VLAN 10
map
Frame
VLAN 10
shows how ACLs are applied on routed packets. For routed packets, the ACLs are applied
VLAN map for input VLAN
Input router ACL
Output router ACL
VLAN map for output VLAN
VLAN 10
map
Frame
VLAN 10
VLAN 20
Fallback bridge
Packet
Input Output
router router VLAN 20
ACL ACL
Routing function
Packet
Catalyst 3750 Switch Software Configuration Guide
Using VLAN Maps with Router ACLs
map
Host B
(VLAN 20)
VLAN 20
map
Host B
(VLAN 20)
VLAN 20
31-39