Acls And Bridged Packets - Cisco Catalyst 3550 series Software Configuration Manual
Multilayer switch
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Also See for Catalyst 3550 series:
- Reference manual (58 pages) ,
- Datasheet (21 pages) ,
- Manual (19 pages)
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Chapter 28
Configuring Network Security with ACLs
Using VLAN Maps with Router ACLs
ACLs and Bridged Packets
Figure 28-7
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 28-7 Applying ACLs on Bridged Packets
Catalyst 3550 switch
VLAN 10
VLAN 20
map
map
Frame
Host A
Host B
(VLAN 10)
(VLAN 20)
Fallback bridge
VLAN 10
VLAN 20
Packet
Catalyst 3550 Multilayer Switch Software Configuration Guide
28-38
78-11194-09
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