Contents
xxi
Catalyst 3550 Multilayer Switch Software Configuration Guide
78-11194-09
Configuring SNMP Groups and Users 27-9
Configuring SNMP Notifications 27-11
Configuring SNMP Trap Notification Priority 27-14
Setting the Agent Contact and Location Information 27-15
Limiting TFTP Servers Used Through SNMP 27-15
SNMP Examples 27-16
Displaying SNMP Status 27-17
CHAPTER
28 Configuring Network Security with ACLs 28-1
Understanding ACLs 28-1
Supported ACLs 28-2
Router ACLs 28-3
Port ACLs 28-4
VLAN Maps 28-4
Handling Fragmented and Unfragmented Traffic 28-5
Configuring IP ACLs 28-6
Hardware and Software Handling of Router ACLs 28-6
Unsupported Features 28-7
Creating Standard and Extended IP ACLs 28-8
Access List Numbers 28-8
Creating a Numbered Standard ACL 28-9
Creating a Numbered Extended ACL 28-11
Creating Named Standard and Extended IP ACLs 28-15
Using Time Ranges with ACLs 28-17
Including Comments in ACLs 28-19
Applying an IP ACL to an Interface or Terminal Line 28-19
IP ACL Configuration Examples 28-21
Numbered ACLs 28-23
Extended ACLs 28-23
Named ACLs 28-23
Time Range Applied to an IP ACL 28-24
Commented IP ACL Entries 28-24
ACL Logging 28-25
Configuring Named MAC Extended ACLs 28-26
Applying a MAC ACL to a Layer 2 Interface 28-28
Configuring VLAN Maps 28-29
VLAN Map Configuration Guidelines 28-30
Creating a VLAN Map 28-30
Examples of ACLs and VLAN Maps 28-31