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Displaying IPv4 ACL Configuration
ACLs and Routed Packets
Figure 31-7
in this order:
1.
2.
3.
4.
Figure 31-7
Host A
(VLAN 10)
Displaying IPv4 ACL Configuration
You can display the ACLs that are configured on the switch, and you can display the ACLs that have
been applied to interfaces and VLANs.
When you use the ip access-group interface configuration command to apply ACLs to a Layer 2 or 3
interface, you can display the access groups on the interface. You can also display the MAC ACLs
applied to a Layer 2 interface. You can use the privileged EXEC commands as described in
to display this information.
Table 31-2
Commands for Displaying Access Lists and Access Groups
Command
show access-lists [number | name]
show ip access-lists [number | name]
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
31-38
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
Applying ACLs on Routed Packets
VLAN 10
map
Frame
VLAN 10
Purpose
Display the contents of one or all current IP and MAC address access lists
or a specific access list (numbered or named).
Display the contents of all current IP access lists or a specific IP access list
(numbered or named).
Chapter 31
Input
Output
router
router
VLAN 20
ACL
ACL
Routing function
Packet
Configuring Network Security with ACLs
map
Host B
(VLAN 20)
VLAN 20
Table 31-2
OL-8915-03
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