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Cisco Catalyst X4232 Installation And Configuration Note
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Cisco Catalyst X4232 Installation And Configuration Note

Cisco Catalyst X4232 Installation And Configuration Note

Layer 3 services module
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Installation and Configuration Note for the
Catalyst 4000 Layer 3 Services Module
Product Numbers: WS-X4232-L3(=)
This installation and configuration note describes how to install and configure the Catalyst 4000 Layer
3 Services module.
For a complete description of commands to configure Catalyst 4003 and 4006 switches, refer to the
Software Configuration Guide and Command Reference publications for your switch. For complete
switch hardware configuration and maintenance procedures, refer to the Catalyst 4003 and 4006 Switch
Installation Guide. These documents are available on the Documentation CD-ROM, or in print.
Contents
This publication contains these sections:
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Features, page 2
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Corporate Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Copyright 2001. Cisco Systems, Inc. All rights reserved.
78-10164-03

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  • Page 1: Table Of Contents

    Upgrading Images, page 32 • Overview of the Catalyst 4003 and 4006 Layer 3 Services Module Interfaces, page 33 • Corporate Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA Copyright 2001. Cisco Systems, Inc. All rights reserved. 78-10164-03...

  • Page 2: Software Requirements

    For configuration information for the standard IOS features supported on the Catalyst 4000 Layer 3 Services module, see the “Configuring IOS Features” section on page 5. Table 1 lists the Cisco IOS features available for the Catalyst 4000 Layer 3 Services module. Table 1...
  • Page 3 Features Table 1 Cisco IOS Features for the Layer 3 Services Module (continued) Layer 3 Routing, Switching, and Forwarding Features IP, IPX, and IP multicast routing and switching between Ethernet ports Load balancing among equal cost paths based on source and destination IP and IPX addresses...

  • Page 4: Unsupported Features

    Features Table 1 Cisco IOS Features for the Layer 3 Services Module (continued) Additional Protocols and Features (continued) BOOTP support on Ethernet ports CGMP server support DHCP relay HSRP ICMP IGMP IPX SAP and SAP SNMP TACACS+ 1. Contentment addressable memory 2.

  • Page 5: Configuring Ios Features

    Part 2 Network Protocols Command Reference, Part 2 Standard and extended Network Protocols Configuration Guide, IP access lists Part 1 Network Protocols Command Reference, Part 1 78-10164-03 http://www.cisco.com/univercd/cc/td/doc/product /software/ios120/12cgcr/np1_c/1cprt2/1cip.htm# xtocid1322018 http://www.cisco.com/univercd/cc/td/doc/cisintw k/ics/cs009.htm http://www.cisco.com/univercd/cc/td/doc/product /software/ios120/12cgcr/np1_r/index.htm http://www.cisco.com/univercd/cc/td/doc/product /software/ios120/12cgcr/np2_c/index.htm http://www.cisco.com/univercd/cc/td/doc/product /software/ios120/12cgcr/np2_r/index.htm http://www.cisco.com/univercd/cc/td/doc/product...

  • Page 6: Functional Description

    The Catalyst 4000 Layer 3 Services module is a 32-port Layer 2 10/100 Ethernet module with a 4-port Gigabit Ethernet Layer 3 uplink module. The Catalyst 4000 Layer 3 Services module provides interVLAN routing for the Catalyst 4000 family switch and provides Layer 3 switching between the Gigabit Ethernet interfaces.

  • Page 7: Front Panel Description

    Gigabit Ethernet interfaces that connect directly to the Catalyst 4000 family switch backplane to provide routing capability to all Layer 2 switch ports in the switch. In addition, there are two external Layer 3 Gigabit Ethernet ports that provide a direct connection to external router or switch ports.
  • Page 8 Installation and Configuration Note for the Catalyst 4000 Layer 3 Services Module State Description This LED displays the results of a series of self-tests and diagnostic tests performed by the switch. Green All the tests pass. A test other than an individual port test failed.

  • Page 9: Specifications

    Cisco Discovery Protocol, Ethernet MIB (RFC 1398), Interface Table (RFC 1573), Bridge MIB (RFC 1493), Ethernet Repeater MIB (RFC 1516), RMON MIB (RFC 1757), Cisco Workgroup MIB, and Cisco VLAN Trunking Protocol Installation and Configuration Note for the Catalyst 4000 Layer 3 Services Module...

  • Page 10: Standards Compliance Specifications

    Standards Compliance Specifications Standards Compliance Specifications When properly installed in the chassis, the Catalyst 4000 Layer 3 Services module complies with the standards listed in Table 6. Table 6 Standards Compliance Specification Compliance: Safety 1. UL = Underwriters Laboratories 2. CSA = Canadian Standards Association 3.
  • Page 11 However, the higher optical quality of the 1000BASE-LX/LH allows them to reach 10 km over single-mode fiber (SMF), as compared to the 5 km specified in the standard. Because of interoperability issues, Cisco does not support GBICs purchased from Note third-party vendors.
  • Page 12 Gigabit Interface Converters GBIC Optical Power Characteristics Table 8 provides the optical power characteristics of the GBIC. Table 8 GBIC Optical Power Characteristics Parameter Transmitter output power (min/max) 0/–9.5 dBm Receiver maximum input power Receiver sensitivity Channel insertion loss: 50/125 micron MMF 62.5/125 micron MMF 9/10 micron SMF GBIC Cabling Restrictions...

  • Page 13: Safety Overview

    Safety Overview Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement. Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.
  • Page 14 Safety Overview AvvertenzaQuesto simbolo di avvertenza indica un pericolo. La situazione potrebbe Warning causare infortuni alle persone. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nel documento Regulatory Compliance and Safety Information (Conformità...

  • Page 15: Translated Safety Warnings

    Translated Safety Warnings This section translates in multiple languages the warnings for the Catalyst 4000 Layer 3 Services module. Warning Definition This warning symbol means danger. You are in a situation that could cause bodily Warning injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.

  • Page 16: Safety Information Referral Warning

    Translated Safety Warnings Avvertenza Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nella documento “Translated Safety Warnings”...

  • Page 17: Qualified Personnel Warning

    Varoitus Ennen kuin asennat järjestelmän tai käytät tai huollat sitä, lue Asennuspaikan valmistelu-jaturvaopas -opasta. Tässä oppaassa on tärkeitä turvallisuustietoja, jotka tulisi tietää ennen järjestelmän käyttämistä. Attention Avant d'installer le système, de l'utiliser ou d'assurer son entretien, veuillez lire le Guide de sécurité et de préparation du site. Celui-ci présente des informations importantes relatives à...
  • Page 18 Translated Safety Warnings Avertissement Tout installation ou remplacement de l'appareil doit être réalisé par du personnel qualifié et compétent. Achtung Gerät nur von geschultem, qualifiziertem Personal installieren oder auswechseln lassen. Avvertenza Solo personale addestrato e qualificato deve essere autorizzato ad installare o sostituire questo apparecchio.
  • Page 19 Warnung Unbeschriftete Aufspannplatten (Füllpaneelen) erfüllen drei wichtige Funktionen : sie schützen vor gefährlichen Spannungen und Elektrizität im Innern der Chassis; sie halten elektromagnetische Interferenzen (EMI) zurück, die andere Geräte stören könnten; und sie lenken die Kühlluft durch das Chassis. Nehmen Sie das System nur in Betrieb, wenn alle Karten und Aufspannplatten an vorgesehener Stelle odnungsgemäß...

  • Page 20: Removing And Installing A Layer 3 Services Module

    Removing and Installing a Layer 3 Services Module Varoitus Kun porttiin ei ole kytketty kaapelia, portin aukosta voi vuotaa näkymätöntä lasersäteilyä. Älä katso avoimiin aukkoihin, jotta et altistu säteilylle. Attention Etant donné qu’un rayonnement laser invisible peut être émis par l’ouverture du port quand aucun câble n’est connecté, ne pas regarder dans les ouvertures béantes afin d’éviter tout risque d’exposition au rayonnement laser.

  • Page 21: Required Tools

    ESD damage. Removing Modules You might need to remove a module from the switch chassis to make room for the Layer 3 services module. To remove a module from a Catalyst 4003 or Catalyst 4006 switch, perform these steps: Disconnect any network interface cables attached to the ports on the module you intend to remove.
  • Page 22 Place the module on an antistatic mat or antistatic foam, or immediately install it in another slot. Step 7 If the slot is to remain empty, you must install a switching-module filler plate (Cisco part number Step 8 800-00292-01) to keep dust out of the chassis and to maintain proper airflow through the module compartment.
  • Page 23 Step 3 support the module, as shown in Figure 5, align the edges of the module carrier with the slot guides on the sides of the switch chassis and slide the module halfway into the chassis. Figure 5 Catalyst 4003: Installing the Module in the Chassis Pivot the two module ejector levers out and away from the faceplate.

  • Page 24: Installing A Gbic

    Use a screwdriver to tighten the captive installation screws on each end of the module faceplate. Step 7 You have now completed the installation of a module in to a Catalyst 4003 or Catalyst 4006 switch. Installing a GBIC This section describes how to install GBICs in the Catalyst 4000 Layer 3 Services module.
  • Page 25 When using the LX/LH GBIC with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord (Cisco product number CAB-GELX-625 or equivalent) between the GBIC and the MMF cable on both the transmit and receive ends of the link. The patch cord is required for link distances greater than 984 feet (300 meters).
  • Page 26 The solution is to launch light from the laser at a precise offset from the center by using the patch cord. At the output of the patch cord, the LX/LH GBIC is compliant with the IEEE 802.3z standard for 1000BASE-LX. For a detailed description of this problem, refer to the Catalyst 4003 and 4006 Switch Installation Guide.

  • Page 27: Accessing The Layer 3 Services Module For The First Time

    Xmodem or Ymodem. The Catalyst 4000 Layer 3 Services module is configured at the factory to automatically load a Cisco IOS image (router operating system software) the first time you insert the module into a Catalyst 4000 family switch.
  • Page 28 You may need to use a paper clip or a small, pointed object to change the port mode switch Note position. Also, when the port mode switch is in the “in” position you can connect a modem to the console port using the console cable and data communications equipment (DCE) adapter (labeled “Modem”) that shipped with the switch.

  • Page 29: Configuring The Management Port

    • Connecting a Modem To connect a modem to the console port, ensure that the console port mode switch is in the “in” position (factory default position). Connect the modem to the port using the RJ-45-to-RJ-45 cable and the RJ-45-to-DB-25 DCE adapter (labeled “Modem”).

  • Page 30: Snmp Network Management

    The supervisor engine reports one IP address assigned to the Layer 3 Services module that can be used for network management through the Cisco Stack MIB. If you are using CiscoView to manage your Catalyst 4000 switch, you can also manage the Catalyst 4000 Layer 3 Services module with this software.
  • Page 31 After each IP address selection or change of the IP address, the Layer 3 Services module sends an unsolicited message to the supervisor engine, which then populates the IP address attribute of the Cisco Stack MIB entry of the Catalyst 4000 Layer 3 Services module.

  • Page 32: Upgrading Images

    Upgrading Images Use the HyperTerminal connect window to connect to the Catalyst 4000 Layer 3 Services module Step 5 ROMMON. Press <Enter> to get to the ROMMON prompt and enter the following information to initiate the file transfer connection: xmodem -y -s57600 The ROMMON will return with a question asking whether you accept 57600 as the download speed.

  • Page 33: Overview Of The Catalyst 4003 And 4006 Layer 3 Services Module Interfaces

    Ethernet interfaces, which run IOS software, and 32 10/100 Layer 2 ports, which are configurable from the supervisor engine. You can map all Layer 2 ports on the Catalyst 4000 family switch with VLANs and trunks to the Layer 3 interfaces on the Catalyst 4000 Layer 3 Services module.
  • Page 34 Supported Networking and Routing Protocols Networking Protocol Many of the Cisco IOS routing protocol features, such as route redistribution and load balancing over equal cost paths (for OSPF and EIGRP), are supported. The methods used to configure these routing protocols is identical to the configuration methods currently employed on all Cisco routers.
  • Page 35 CDP is a device-discovery protocol that is both media and protocol independent. CDP is available on all Cisco products, including routers, switches, bridges, and access servers. Using CDP, a device can advertise its existence to other devices and receive information about other devices on the same LAN.
  • Page 36 The chosen MAC address and IP addresses are unique and do not conflict with any others on the same network segment. The MAC address is selected from a pool of Cisco MAC addresses. Configure the last byte of the MAC address by configuring the HSRP group number. You also configure the unique virtual IP address.
  • Page 37 The port parameter list contains only ports that are members of a given bridge group. The Layer 3 switch routers support a maximum of 16 bridge groups, which run their own instance of spanning tree.
  • Page 38 Access Control Lists ACLs allow you to filter packet flow into or out of switch router interfaces. ACLs are sometimes called filters. You can use ACLs to restrict network use by certain users or devices. ACLs are created for each protocol and applied on the interface either for inbound or outbound traffic.
  • Page 39 (G3 and G4). You will configure the external ports using Cisco IOS Layer 3 software only and the internal ports using Cisco IOS Layer 3 and the Layer 2 Supervisor. You must use Cisco IOS to configure G3 and G4 and the supervisor to configure ports 2/1 and 2/2.

  • Page 40: Configuration Options

    Ethernet3 and Gigabit Ethernet4. If the Layer 3 Services module is installed in slot 2, port 2/1 on the Catalyst switch side is connected to interface Gigabit Ethernet3 on the Catalyst 4000 Layer 3 Services module side and port 2/2 to interface Gigabit Ethernet4.
  • Page 41 The EtherChannel option builds on the previous trunk configuration when you assign trunks to a shared EtherChannel. After you create the EtherChannel between the Catalyst 4000 Layer 3 Services module and a Catalyst 4000 family switch, the channel provides Layer 3 services to one or multiple VLAN interfaces.

  • Page 42: Configuring The Layer 3 Services Module Gigabit Ethernet Interfaces

    VLAN, just as you would include a host port. For example, if you need only two VLANs, configure these VLANs on the switch and add each to one of the internal interfaces. Access the Catalyst 4000 Layer 3 Services module console and add each Catalyst 4000 Layer 3 Services module interfaces to its respective VLAN.
  • Page 43 After an interface is configured, check its status by using the EXEC show command. Step 4 4232-L3# show interface g3 Gigabit Ethernet3 is up, line protocol is up Hardware is xpif_port, address is 0050.3e7b.e907 (bia 0050.3e7b.e907) Internet address is 11.0.0.2/8 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, rely 255/255, load 1/255 Encapsulation ARPA, loopback not set, keepalive set (10 sec) Full-duplex, 1000Mb/s, GBIC connected, Force link-up...

  • Page 44: Configuring The Module For Intervlan Routing

    Configuring the Module for InterVLAN Routing Monitoring Operations on the Gigabit Ethernet Interfaces To verify the settings after you have configured the Gigabit Ethernet interfaces, use the show interface command. The output from the show interface command shown below displays the interface status and global parameters and includes port speed and duplex operation: 4232-L3# show interface g3 Gigabit Ethernet3 is up, line protocol is up...

  • Page 45: Configuration Overview

    This communication is supported by interVLAN routing. You configure one or more routers to route traffic to the appropriate destination VLAN. This example shows you how would configure VTP on the Catalyst 4000 switch ports, create two VLANs, and assign switch ports to those VLANs: Console>...
  • Page 46 The port numbering for the 10/100 ports is as follows: Assuming the Layer 3 Services module resides in slot 2, the port numbering is 2/1 and 2/2 for the internal Gigabit Ethernet ports and 2/3 through 2/34 for the external 10/100 ports. All Layer 2 ports in the Catalyst 4000 switch follow this port numbering convention.
  • Page 47 Console> (enable) VTP Client Mode You cannot change the VLAN configuration on the switch when it is in VTP client mode. A switch in client mode receives VTP updates from a VTP server in the management domain and modifies its configuration accordingly.
  • Page 48 Configuring the Module for InterVLAN Routing VTP Transparent Mode Configure the switch as VTP transparent to disable VTP on the switch. A VTP transparent switch does not send VTP updates and does not act on VTP updates received from other switches. However, a VTP transparent switch running VTP version 2 does forward received VTP advertisements out all of its trunk links.

  • Page 49: Configuring Vlans

    This example shows you how to set the port speed to 100 Mbps on port 2/4: Console> (enable) set port speed 2/4 100 Port 2/4 speed set to 100 Mbps. Console> (enable) This example shows you how to make port 2/4 autonegotiate speed and duplex with the neighbor port: Console>...
  • Page 50 Assigning Layer 2 Switch Ports to a VLAN A VLAN created in a management domain remains unused until you assign one or more switch ports to the VLAN. If you specify a VLAN that does not exist, the VLAN is created and the specified ports are assigned to it.
  • Page 51 Configuring 802.1Q Layer 2 VLAN Trunks A trunk is a point-to-point link between one device, such as a router or a switch, and another device. Trunks carry the traffic of multiple VLANs over a single link and allow you to extend VLANs across an entire network.
  • Page 52 Configuring the Module for InterVLAN Routing This example shows you how to configure an 802.1Q trunk and how to verify the trunk configuration: Console> (enable) set trunk 2/1 desirable dot1q Port(s) 2/1 trunk mode set to desirable. Port(s) 2/1 trunk type set to dot1q. Console>...

  • Page 53: Configuring Etherchannel

    Depending on your hardware, you can form an EtherChannel with up to eight compatibly configured Fast or Gigabit Ethernet ports on the switch. In addition, on the Catalyst 4000 family switches, you can configure an EtherChannel using ports from multiple modules. All ports in an EtherChannel must be the same speed.
  • Page 54 To create an EtherChannel port bundle, perform this task in privileged mode: Task Step 1 If you are unsure which ports you can configure as an EtherChannel, display the EtherChannel capabilities for the module or switch you are configuring. Step 2 Create an EtherChannel with the desired ports. Step 3 Verify the EtherChannel configuration.
  • Page 55 Option 1: Configuring Interfaces as Trunks (Recommended Option) This procedure shows you how to enable VLAN trunking on the two internal Gigabit Ethernet interfaces. Enabling VLAN trunking requires you to configure the internal Gigabit Ethernet interfaces from the supervisor engine console as well as from the Layer 3 Services module console. When you enable trunking, you configure a subinterface for each allowed VLAN configured on the Catalyst 4000 Layer 3 Services module trunk.
  • Page 56 Configuring the Module for InterVLAN Routing You are required to use the native keyword with the encapsulation command to Note create the subinterface for the native VLAN. In this example, VLANs 1 and 6 are the native VLANs for each trunk. router(config)# interface gigabitethernet3.1 router(config-subif)# encapsulation dot1Q 1 native router(config-subif)# exit...
  • Page 57 Option 2: Configuring Interfaces as Gigabit EtherChannels This procedure shows you how to configure the two internal Gigabit Ethernet interfaces as Gigabit EtherChannel and then enable VLAN trunking on the channel. You can then configure subinterfaces on the channel interface. You configure a subinterface for each allowed VLAN configured on the Catalyst 4000 Layer 3 Services module trunk.
  • Page 58 This procedure shows you how to configure the internal Gigabit Ethernet interfaces to route between two VLANs. In this example, VLANs 4 and 5 are configured on a Catalyst 4000 family switch. Trunking is not enabled on any interface because there is only one VLAN on each physical interface.
  • Page 59 Use the session mod_num command to access the Catalyst 4000 Layer 3 Services module prompt: Step 2 Console> (enable) session 2 Trying Router-2... Connected to Router-2. Escape character is `^]'. router> At the EXEC prompt, enter enable mode: router> enable router# At the privileged EXEC prompt, enter global configuration mode: router# configure terminal...

  • Page 60: Configuring Access Control Lists

    Configuring Access Control Lists It is important to note that the Catalyst 4000 family switch does not have knowledge of, or control over, the Catalyst 4000 Layer 3 Services module configuration (just as the Catalyst switch does not have knowledge of, or control over, external router configurations). Consequently, the autostate feature will not work on Catalyst 4000 Layer 3 Services module interfaces if the module is not properly configured.
  • Page 61 • You can enter ACL entries in any order without any performance impact. • For every eight TCAM entries, the switch router uses one entry for TCAM management purposes. • You must have unique ACL names across all protocols. •...
  • Page 62 Configuring Access Control Lists Do not set up conditions that result in packets getting lost. This situation can happen when a device • or interface is configured to advertise services on a network that has ACLs that deny these packets. Creating IP ACLs You can create numbered standard, extended, or named standard IP ACLs on the Catalyst 4000 Layer 3 Services module.
  • Page 63 To create a numbered extended IP ACL using abbreviations for both the source and destination, perform the following task in global configuration mode: Task Define an extended IP ACL using an abbreviation for a source and source wildcard of source 0.0.0.0, and an abbreviation for a destination and destination wildcard of destination 0.0.0.0.
  • Page 64 Task Control access to an interface. If the ACL is applied on an interface in the inbound direction, the switch router performs one of the following operations: If a standard ACL is applied, the switch router compares the source IP address with the ACL.
  • Page 65 If the ACL is applied on an interface in the outbound direction, the switch router performs one of the following operations: • If a standard ACL is applied, the switch router compares the source IP address with the ACL. If an extended ACL is applied, the switch router compares the 5 tuple against the ACL.
  • Page 66 Configuring Access Control Lists Do not set up conditions that result in packets getting lost. This situation can happen when a device • or interface is configured to advertise services on a network that has ACLs that deny these packets. •...

  • Page 67: Configuring Layer 3 Qos

    This section describes the QoS features supported on Gigabit Ethernet interfaces of your Layer 3 Services module. For QoS configuration information on the 10/100 Ethernet switching ports, refer to the Software Configuration Guide for your switch. This section includes the following subsections: •...
  • Page 68 1 1 1 The Catalyst 4000 Layer 3 Services module can read the precedence field and switch the packet accordingly, but it cannot reclassify traffic. The edge router or switch is expected to set the precedence field according to its local policy.
  • Page 69 26 Mbps. Configuring Precedence to WRR Scheduling This section describes the Cisco IOS commands necessary to configure QoS mapping at the system and interface levels. The commands described in this section are unique to Catalyst 4000 Layer 3 Services module software.
  • Page 70 QoS mapping for that precedence. Configuring Per-Port Traffic Conditioning This section describes the Cisco IOS commands that you need to configure per-port QoS traffic conditioning at the interface level. The commands described in this section are unique to Layer 3 switching software.
  • Page 71 Configuring Layer 3 QoS A token bucket is a formal definition of a rate of transfer. The mean rate determines the long-term average transmission rate, and the burst size determines how large traffic bursts can be sent before some traffic exceeds the contract. Tokens are inserted into the bucket at the mean rate.
  • Page 72 When excess traffic comes into the switch, back pressure is applied from the modules to switch fabric. Excess traffic gets queued in the switch fabric. If the switch fabric queues overflow, the traffic is dropped.
  • Page 73 The following example shows you how to configure per-port traffic shaping: Router(config)# interface g4 Router(config-if)# traffic-shape rate 32000 100 Router(config-if)# end Router# Configuring Per-Port Output Rate Limiting The per-port output rate limiting feature allows you to limit the traffic rate of a port. The module monitors the output traffic rate of the port and checks for non-conforming traffic.

  • Page 74: Configuring The Switching Database Manager

    Configuring the Switching Database Manager Monitoring and Verifying the QoS Configuration To verify the QoS configuration, perform the following tasks beginning in privileged EXEC mode: Task Step 1 Verify that QoS-based switching is enabled. Step 2 Display effective mapping at either the system level or interface level.
  • Page 75 TCAM space consists of 32K entries, and each entry is 32 bits wide. Because SDM is responsible for managing TCAM space, SDM partitions the TCAM space for each protocol region based on user configuration. Although the maximum size of all protocol regions is fixed, you can reconfigure the size of each protocol region.
  • Page 76 Configuring the Switching Database Manager In the following example we configure 2048 entries for the IP-Prefix region: 4232-L3# configure terminal 4232-L3(config)# sdm size ip-prefix k-entries 2 4232-L3(config)# Ctrl-Z The combined size entered for all the protocol regions should not exceed 32K, which is the total TCAM size.

  • Page 77: Obtaining Documentation

    4232-L3(config)# Ctrl-Z Obtaining Documentation The following sections explain how to obtain documentation from Cisco Systems. World Wide Web You can access the most current Cisco documentation on the World Wide Web at the following URL: http://www.cisco.com 78-10164-03 Command Router (config-if) # sdm access-list num-entries...

  • Page 78: Ordering Documentation

    If you are reading Cisco product documentation on Cisco.com, you can submit technical comments electronically. Click Leave Feedback at the bottom of the Cisco Documentation home page. After you complete the form, print it out and fax it to Cisco at 408 527-0730.
  • Page 79 Cisco TAC Web Site. The Cisco TAC Web Site requires a Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or password, go to the following URL to register: http://www.cisco.com/register/...
  • Page 80 Logo, iQ Net Readiness Scorecard, MGX, the Networkers logo, ScriptBuilder, ScriptShare, SMARTnet, TransPath, Voice LAN, Wavelength Router, and WebViewer are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and Discover All That’s Possible are service marks of Cisco Systems, Inc.; and Aironet,...

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