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Cisco Systems 3130 User Manual

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Cisco Catalyst Blade Switch 3130 for Dell Software Configuration Guide
OL-13270-01
Chapter 34      Configuring Network Security with ACLs
Using VLAN Maps with Router ACLs
Figure 34-6
Applying ACLs on Bridged 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
Figure 34-7
Applying ACLs on Routed Packets
Frame
Fallback bridge
VLAN 10
Blade server A
(VLAN 10)
Packet
201777
VLAN 20
Blade server B
(VLAN 20)
VLAN 10
map
VLAN 20
map
Frame
Routing function
VLAN 10
Blade server A
(VLAN 10)
Packet
201778
VLAN 20
Blade server B
(VLAN 20)
VLAN 10
map
Input
router
ACL
Output
router
ACL
VLAN 20
map