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Cisco Nexus 9000 Series Configuration Manual
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Cisco Nexus 9000 Series Configuration Manual

Nx-os catena configuration guide, release 7.x
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Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release
7.x
First Published: 2017-05-16
Last Modified: 2017-12-08
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883

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Summary of Contents for Cisco Nexus 9000 Series

  • Page 1 Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release First Published: 2017-05-16 Last Modified: 2017-12-08 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883...
  • Page 2 This product includes software written by Tim Hudson (tjh@cryptsoft.com). https:/ Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: /www.cisco.com/go/trademarks .

  • Page 3: Table Of Contents

    TCAM Based Load Balancing Hash-Load Balancing Routed Mode VRF Support Catena Configuration Process Enabling or Disabling the Catena Solution Configuring a Port Group Configuring a VLAN Group Configuring a Device Group Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 4 Contents Configuring an IP ACL Configuring a Port ACL Configuring a Catena Instance Enabling a Catena Instance Verifying the Catena Configuration Displaying Catena Analytics Configuration Examples of Catena Instances Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 5: P R E F A C E Preface

    • Documentation Feedback, page vi • Obtaining Documentation and Submitting a Service Request, page vii Audience This publication is for network administrators who install, configure, and maintain Cisco Nexus switches. Document Conventions Command descriptions use the following conventions: Convention Description...

  • Page 6: Related Documentation For Cisco Nexus 9000 Series Switches

    An exclamation point (!) or a pound sign (#) at the beginning of a line of code indicates a comment line. Related Documentation for Cisco Nexus 9000 Series Switches The entire Cisco Nexus 9000 Series switch documentation set is available at the following URL: http://www.cisco.com/en/US/products/ps13386/tsd_products_support_series_home.html Documentation Feedback To provide technical feedback on this document, or to report an error or omission, please send your comments to nexus9k-docfeedback@cisco.com.

  • Page 7: Obtaining Documentation And Submitting A Service Request

    Subscribe to What's New in Cisco Product Documentation, which lists all new and revised Cisco technical documentation as an RSS feed and delivers content directly to your desktop using a reader application. The RSS feeds are a free service.
  • Page 8 Preface Obtaining Documentation and Submitting a Service Request Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x viii...

  • Page 9: New And Changed Information

    • New and Changed Information, page 1 New and Changed Information This table summarizes the new and changed features for the Cisco Nexus 9000 Series NX-OS Catena Configuration Guide and where they are documented. Table 1: New and Changed Features...
  • Page 10 New and Changed Information New and Changed Information Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 11: Configuring The Catena Solution

    Configuration Examples of Catena Instances, page 17 About the Catena Solution Catena provides hardware (TCAM) based application chaining solution for Cisco Nexus devices so that packets can be redirected through multiple physical or virtual devices without changing the topology or the existing configuration.

  • Page 12: Benefits Of Catena

    Cisco NX-OS Catena requires a Network Services license. For a complete explanation of the Cisco NX-OS licensing scheme and how to obtain and apply licenses, see the Cisco NX-OS Licensing Guide. Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 13: Guidelines And Limitations For Catena

    Guidelines and Limitations for Catena Catena has the following guidelines and limitations: • Catena is supported for the Cisco Nexus 9200, 9300, and 9300-EX Series switches. • When configuring a catena instance in routed mode, you must enable PBR and IP SLA features.

  • Page 14: Transparent Mode

    Catena uses source IP or destination IP to determine the egress interface. Egress interface ports are bundled using the link aggregation control protocol (LACP), and hash algorithms are used for symmetric load balancing. Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 15: Routed Mode

    VRF. You must ensure that all ingress interfaces and node members within the associated device group are reachable in the configured VRF. Catena Configuration Process You can configure Cisco Nexus devices such that packets can be redirected through multiple devices using Catena. To configure catena: 1 Enable catena.

  • Page 16: Enabling Or Disabling The Catena Solution

    6 Create a Port ACL. 7 Create a catena instance. Enabling or Disabling the Catena Solution By default, catena is disabled on the Cisco NX-OS device. You must explicitly enable catena to configure and verify authentication commands. Before You Begin Ensure that you have installed the network services license.

  • Page 17: Configuring A Vlan Group

    Step 4 copy running-config startup-config (Optional) Copies the running configuration to the startup configuration. Example: switch(config)# copy running-config startup-config Configuring a VLAN Group To create and configure a VLAN group: Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 18: Configuring A Device Group

    A device group contains a list of node IP addresses. If you are creating a Layer 3 routed mode deployment you must create a device group. To create and configure a device group: Note If there are multiple nodes, then traffic is load balanced accordingly. Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 19 • control status—Specifies the control protocol status. • frequency frequency-number—Specifies the time interval, in seconds, between successive probes sent to the node. • timeout timeout—Specifies the number of seconds to wait for the probe's response. Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 20: Configuring An Ip Acl

    Before You Begin You will need to determine the type of traffic you want to induce into the chain. For more information about access lists, see The Cisco Nexus 9000 Series NX-OS Security Configuration Guide, Release 7.x. SUMMARY STEPS 1. configure terminal 2.

  • Page 21: Configuring A Port Acl

    Step 3 sequence-number {permit | deny} PACL source You can create many rules. The range for sequence-number is 1-4294967295. The permit and deny keywords support destination different ways of identifying traffic. Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 22: Configuring A Catena Instance

    The following describes some of the keyword-argument pairs: | ingress-port-group ipg-name} • sequence-number—Specifies the sequence number. {egress-port-group epg-name | egress-device-group edg-name} [ mode mode • access-list acl-name—Specifies the access list. Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 23: Enabling A Catena Instance

    (Optional) Copies the running configuration to the startup configuration. Example: switch# copy running-config startup-config Enabling a Catena Instance Before You Begin Check that you have completed the following: Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 24: Verifying The Catena Configuration

    • Use the instance-name argument to display the status and configuration for the specified instance. • Use the brief keyword to display the summary status and configuration information. show running-config catena Displays current catena running configuration. Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...

  • Page 25: Displaying Catena Analytics

    10 catena vlan-group vg2 Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 26 Eth 1/2 switch(config-pg-node)# catena port-group pg2 switch(config-port-group)# interface Eth 1/4 switch(config-pg-node)# catena vlan-group vg1 switch(config-vlan-group)# vlan 10 switch(config-vlan-group)# catena vlan-group vg2 switch(config-vlan-group)# vlan 20 switch(config)# ip access-list acl1 Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 27 10 access-list acl1 ingress-port-group pg1 egress-device-group dg1 mode forward switch(config-catena)# 20 access-list acl1 ingress-port-group pg2 egress-device-group dg2 mode forward switch(config-catena)# 30 access-list acl1 ingress-port-group pg3 egress-device-group dg3 mode forward switch(config-catena)# no shutdown Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 28 Total Packets ======================================== 1500 1500 1000 ----------------------------- Instance name: ins2 ----------------------------- Chain 10 ------------------------------------------------- Seqno Node #Packets ------------------------------------------------- 1000 1000 Total packets per-Node for all chains ======================================== Node Total Packets Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 29 Configuring the Catena Solution Configuration Examples of Catena Instances ======================================== 1000 1000 Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 30 Configuring the Catena Solution Configuration Examples of Catena Instances Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x...
  • Page 31 11, 12 feature Catena 14, 15 Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x IN-1...
  • Page 32 Index Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x IN-2...

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