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CONTENTS CHAPTER 1 Configuring LAN Interfaces 1 Finding Feature Information 1 Configuring Ethernet Fast Ethernet or Gigabit Ethernet Interfaces 2 Ethernet Fast Ethernet and Gigabit Ethernet Interface Configuration Task List 3 Specifying an Ethernet Fast Ethernet or Gigabit Ethernet Interface 3 Specifying an Ethernet Encapsulation Method 4 Specifying Full-Duplex Operation 4 Specifying the Media and Connector Type 5 Extending the 10BASE-T Capability 5 Configuring Fast Ethernet 100BASE-T 6 Configuring PA-12E 2FE Port Adapters 8 Configuring the PA-12E 2FE Port Adapter 9 Configuring the PA-12E 2FE Port Adapter 10 Monitoring and Maintaining the PA-12E 2FE Port Adapter 12 Configuring Bridge Groups Using the 12E 2FE VLAN Configuration WebTool 13 Configuring the 100VG-AnyLAN Port Adapter 13 Configuring the Cisco 7200-I O-GE+E and Cisco 7200-I O-2FE E Input Output Controllers 15 Cisco 7200-I O-GE+E and Cisco 7200-I O-2FE E Configuration Task List 15 Configuring the Interface Transmission Mode 15 Configuring Interface Speed 16 Configuring the Ethernet Fast Ethernet and Gigabit Ethernet Interfaces 17 Verifying the Configuration 18 Monitoring and Maintaining the Cisco 7200-I O GE+E and Cisco 7200-I O-2FE E 19 Configuring an FDDI Interface 19 Source-Route Bridging over FDDI on Cisco 4000-M Cisco 4500-M and Cisco 4700-M Routers 20 Particle-Based Switching of Source-Route Bridge Packets on Cisco 7200 Series Routers 20 Using Connection Management Information 21 Interface and Hardware Component Configuration Guide, Cisco IOS Release 15S iii Contents FDDI Configuration Task List 22 Specifying a FDDI Interface 22 Enabling FDDI Bridging Encapsulation 22 Enabling Full-Duplex Mode on the FDDI Interface 23 Setting the Token Rotation Time 23 Setting the Transmission Valid Timer 24 Controlling the Transmission Timer 24 Modifying the C-Min Timer 24 Modifying the TB-Min Timer 24 Modifying the FDDI Timeout Timer 25 Controlling SMT Frame Processing 25 Enabling Duplicate Address Checking 25 Setting the Bit Control 25 Controlling the CMT Microcode 26 Starting and Stopping FDDI 26 Setting FDDI Frames per Token Limit 26 Controlling the FDDI SMT Message Queue Size 27 Preallocating Buffers for Bursty FDDI Traffic 27 Configuring a Hub Interface 28 Enabling a Hub Port 28 Disabling or Enabling Automatic Receiver Polarity Reversal 28 Disabling or Enabling the Link Test Function 29 Enabling Source Address Control 29 Enabling SNMP Illegal Address Trap 30 Configuring a Token Ring Interface 30 Particle-Based Switching of Source-Route Bridge Packets on Cisco 7200 Series Routers 31 Dedicated Token Ring Port Adapter 31 Token Ring Interface Configuration Task List 32 Specifying a Token Ring Interface 32 Enabling Early Token Release 32 Configuring PCbus Token Ring Interface Management 32 Enabling a Token Ring Concentrator Port 33 Monitoring and Maintaining the Port 33 LAN Interface Configuration Examples 33 Interface and Hardware Component Configuration Guide, Cisco IOS Release 15S iv Contents Ethernet Encapsulation Enablement Example 33 Full-Duplex Enablement Operation Example 34 PA-12E 2FE Port Configuration Examples 34 PA-VG100 Port Adapter Configuration Example 35 Cisco 7200-I O-GE+E and Cisco 7200-I O-2FE E Configuration Examples 36 Configuring the Gigabit Ethernet Interface on the Cisco 7200-I O-GE+E 36 Configuring Autonegotiation on the Cisco 7200-I O-2FE E 36 Fast EtherChannel Configuration Examples 36 FDDI Frames Configuration Example 37 Hub Configuration Examples 38 Hub Port Startup Examples 38 Source Address for an Ethernet Hub Port Configuration Examples 38 Hub Port Shutdown Examples 38 SNMP Illegal Address Trap Enablement for Hub Port Example 39 CHAPTER 2 Fast EtherChannel 41 Finding Feature Information 41 Information About Fast EtherChannel 41 Overview of Fast EtherChannel 41 How to Configure Fast EtherChannel 43 Configuring the Port-Channel Interface 43 Configuring Fast Ethernet Interfaces 45 Assigning Fast Ethernet Interfaces to a Fast EtherChannel 45 Removing Fast Ethernet Interfaces from a Fast EtherChannel 46 Configuring Gigabit Ethernet Interfaces 48 Assigning Gigabit Ethernet Interfaces to the Gigabit EtherChannel 48 Removing Gigabit Ethernet Interfaces from a Gigabit EtherChannel 49 Configuration Examples for Fast EtherChannel 50 Example: Configuring the Port-Channel Interface 50 Example: Assigning Fast Ethernet Interfaces to a Fast EtherChannel 50 Example: Removing Fast Ethernet Interfaces from a Fast EtherChannel 51 Example: Assigning Gigabit Ethernet Interfaces to a Gigabit EtherChannel 51 Example: Removing Gigabit Ethernet Interfaces from a Gigabit EtherChannel 51 Additional References for Fast EtherChannel 51 Feature Information for Fast EtherChannel 52 Interface and Hardware Component Configuration Guide, Cisco IOS Release 15S v Contents CHAPTER 3 Configuring Serial Interfaces 53 Finding Feature Information 54 Prerequisites for Configuring Serial Interfaces 54 Restrictions for Configuring Serial Interfaces 54 Information About Configuring Serial Interfaces 54 Cisco HDLC Encapsulation 54 PPP Encapsulation 55 Multilink PPP 56 Keepalive Timer 56 Frame Relay Encapsulation 57 LMI on Frame Relay Interfaces 58 Layer 2 Tunnel Protocol Version 3-Based Layer 2 VPN on Frame Relay 58 High-Speed Serial Interfaces 58 How to Configure Serial Interfaces 59 Configuring a High-Speed Serial Interface 59 Specifying a HSSI Interface 59 Specifying HSSI Encapsulation 60 Invoking ATM on a HSSI Line 60 Converting HSSI to Clock Master 61 Configuring a Synchronous Serial Interface 61 Synchronous Serial Configuration Task List 61 Specifying a Synchronous Serial Interface 62 Specifying Synchronous Serial Encapsulation 62 Configuring PPP 64 Configuring Half-Duplex and Bisync for Synchronous Serial Port Adapters on Cisco 7200 Series Routers 64 Configuring Bisync 64 Configuring Compression Service Adapters on Cisco 7500 Series Routers 64 Configuring Compression of HDLC Data 65 Configuring Real-Time Transport Protocol Header Compression 66 Configuring the Data Compression AIM 66 Configuring PPP Compression 66 Verifying PPP Compression 67 Configuring Frame Relay Map Compression 68 Interface and Hardware Component Configuration Guide, Cisco IOS Release 15S vi Contents Verifying Frame Relay Map Compression 69 Configuring Frame Relay Payload Compression 71 Verifying Frame Relay Payload Compression 72 Configuring Diagnostics 73 Verifying Diagnostics 74 Configuring the CRC 75 Using the NRZI Line-Coding Format 75 Enabling the Internal Clock 75 Inverting the Data 76 Inverting the Transmit Clock Signal 76 Setting Transmit Delay 76 Configuring DTR Signal Pulsing 77 Ignoring DCD and Monitoring DSR as Line Up Down Indicator 77 Specifying the Serial Network Interface Module Timing 78 Specifying G.703 and E1-G.703 G.704 Interface Options 78 Enabling Framed Mode 79 Enabling CRC4 Generation