Cisco 8540 - Manual

Cisco 8540

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Table of Contents:

  • Page 2 – Overview of Interface Configuration; Media Access Control Address; Interface Port Identifier
  • Page 3 – General Instructions for Configuring Interfaces
  • Page 4 – About Layer 3 Switching Interfaces
  • Page 5 – Initially Configuring Gigabit Ethernet Interfaces; About the Enhanced Gigabit Ethernet Interfaces (Catalyst 8540)
  • Page 6 – Initially Configuring Fast Ethernet Interfaces; Verifying the Ethernet Interface Configuration
  • Page 8 – About Virtual LANs; Configuring ISL VLAN Encapsulation
  • Page 10 – Configuring 802.1Q VLAN Encapsulation
  • Page 12 – Monitoring VLAN Operation
  • Page 13 – About the POS OC-12c Uplink Interface
  • Page 15 – Default Configuration
  • Page 16 – Automatic Reverting of Clock Source
  • Page 17 – Additional Configurations; Customizing the Configuration; Setting the MTU Size
  • Page 18 – Configuring Framing
  • Page 19 – Configuring POS SPE Scrambling
  • Page 20 – Configuring SONET Alarms
  • Page 21 – Configuring SONET Delay Triggers
  • Page 22 – Verifying the POS Configuration
  • Page 27 – About the ATM Uplink Interface
  • Page 28 – Configuring the ATM Uplink Interface (Catalyst 8540); Configuration Overview
  • Page 29 – Initially Configuring the ATM Uplink Interface
  • Page 30 – Configuring the Clock Source
  • Page 31 – Configuring SONET Framing
  • Page 34 – Configuring CDP; Configuring Virtual Circuits; Creating a PVC
  • Page 35 – Mapping a Protocol Address to a PVC
  • Page 36 – Verifying the ATM Configuration
  • Page 38 – About Port Snooping
  • Page 39 – Restrictions on Port Snooping; About the Snooping Destination Port; Configuring Snooping
  • Page 41 – Monitoring Snooping
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C H A P T E R

4-1

Layer 3 Switching Software Feature and Configuration Guide

78-6235-04, Cisco IOS Release 12.0(10)W5(18)

4

Configuring Interfaces

This chapter describes basic interface configurations for your Layer 3 switch router. Also included are
sections about configuring virtual LANs (VLANs), packet-over-SONET interfaces, ATM uplink
interfaces, and port snooping.

Unless otherwise noted, the information in this chapter applies to the Catalyst 8540 CSR,
Catalyst 8510 CSR, and Catalyst 8540 MSR with Layer 3 functionality. For further information about
the commands used in this chapter, refer to the command reference publications in the Cisco IOS
documentation set and to Appendix A, “Command Reference.”

This chapter includes the following sections:

•

Overview of Interface Configuration

•

General Instructions for Configuring Interfaces

•

About Layer 3 Switching Interfaces

•

About Virtual LANs

•

Configuring ISL VLAN Encapsulation

•

Configuring 802.1Q VLAN Encapsulation

•

About Packet over SONET (Catalyst 8540)

•

Configuring the POS OC-12c Uplink Interface (Catalyst 8540)

•

About ATM Uplinks (Catalyst 8540)

•

Configuring the ATM Uplink Interface (Catalyst 8540)

•

About Port Snooping

•

Configuring Snooping

Note

You are at Step 3 in the suggested process for configuring your switch router (see the
“Suggested Procedure for Configuring Your Switch Router” section on page 2-1). You
should have already configured the processor module (and LAN emulation on the
Catalyst 8540 MSR) and now be ready to proceed with configuring interfaces.

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Summary

Page 2 - Overview of Interface Configuration; Media Access Control Address; Interface Port Identifier

4-2 Layer 3 Switching Software Feature and Configuration Guide 78-6235-04, Cisco IOS Release 12.0(10)W5(18) Chapter 4 Configuring Interfaces Overview of Interface Configuration Overview of Interface Configuration A router’s main function is to relay packets from one data link to another. To do that,...

Page 3 - General Instructions for Configuring Interfaces

4-3 Layer 3 Switching Software Feature and Configuration Guide 78-6235-04, Cisco IOS Release 12.0(10)W5(18) Chapter 4 Configuring Interfaces General Instructions for Configuring Interfaces Figure 4-1 Interface Port Identifier Format The interface port identifiers on the Ethernet modules remain the s...

Page 4 - About Layer 3 Switching Interfaces

4-4 Layer 3 Switching Software Feature and Configuration Guide 78-6235-04, Cisco IOS Release 12.0(10)W5(18) Chapter 4 Configuring Interfaces About Layer 3 Switching Interfaces Step 3 Follow each interface command with the interface configuration commands required for yourparticular interface. The co...

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