Cisco 3032 - Acls and Bridged Packets

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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
OL-12247-04
Chapter 34 Configuring Network Security with ACLs
Using VLAN Maps with Router ACLs
Figure 34-5 Applying ACLs on Switched Packets
ACLs and Bridged Packets
Figure 34-6 shows how an ACL is applied on fallback-bridged packets. For bridged packets, only
Layer 2 ACLs are applied to the input VLAN. Only non-IP, non-ARP packets can be fallback-bridged.
Figure 34-6 Applying ACLs on Bridged Packets
VLAN 10
map
Frame
Input
router
ACL
Output
router
ACL
Routing function or
fallback bridge
VLAN 10 VLAN 20
Blade
server B
(VLAN 10)
Blade
server A
(VLAN 10)
VLAN 20
map
Packet
201776
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