35-3
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 35 Configuring VLAN ACLs
Understanding VACLs
Routed Packets
Figure 35-2 shows how ACLs are applied on routed and Layer 3-switched packets. For routed or
Layer 3-switched packets, the ACLs are applied in the following order:
1. VACL for input VLAN
2. Input Cisco IOS ACL
3. Output Cisco IOS ACL
4. VACL for output VLAN
Figure 35-2 Applying VACLs on Routed Packets
Supervisor Engine
Host B
(VLAN 20)
Host A
(VLAN 10)
120554
Bridged
Bridged
VACL
VACL
Input IOS ACL
Output IOS ACL
Routed
MSFC
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