Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command .

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Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference July 2011 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 Text Part Number: OL-23244-02

Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright 1981, Regents of the University of California. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. CCVP, the Cisco logo, and Welcome to the Human Network are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Enterprise/Solver, EtherChannel, EtherFast, EtherSwitch, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS, iPhone, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, iQuick Study, LightStream, Linksys, MeetingPlace, MGX, Networkers, Networking Academy, Network Registrar, PIX, ProConnect, ScriptShare, SMARTnet, StackWise, The Fastest Way to Increase Your Internet Quotient, and TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries. Cisco and the Cisco Logo are trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks. Third party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1005R) Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference 2010–2011 Cisco Systems, Inc. All rights reserved.

S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . CONTENTS New and Changed Information Preface iii ix Audience ix Organization ix Document Conventions ix Related Documentation x Obtaining Documentation and Submitting a Service Request Overlay Transport Virtualization Commands authentication (OTV) OTV-3 authentication-type (OTV) OTV-4 OTV-6 clear otv isis adjacency OTV-7 clear otv isis statistics clear otv isis traffic feature otv OTV-8 OTV-9 OTV-10 graceful-restart (OTV) OTV-11 graceful-restart t3 manual (OTV) hostname dynamic (OTV) interface overlay OTV-14 lsp-gen-interval (OTV) lsp-mtu (OTV) OTV-12 OTV-13 log-adjacency-changes (OTV) OTV-16 OTV-17 OTV-19 max-lsp-lifetime (OTV) net (OTV) OTV-1 OTV-2 authentication-check (OTV) clear otv arp-nd xii OTV-20 OTV-21 otv adjacency-server unicast-only otv control-group otv data-group otv extend-vlan OTV-23 OTV-25 OTV-27 otv isis csnp-interval otv-isis default OTV-22 OTV-29 OTV-30 Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 v

Contents Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . otv isis hello-interval OTV-31 otv isis hello-multiplier OTV-32 otv isis hello-padding otv isis lsp-interval otv isis metric OTV-34 OTV-35 otv isis priority OTV-36 otv join-interface otv site-vlan OTV-33 OTV-37 OTV-39 otv suppress-arp-nd OTV-40 otv use-adjacency-server unicast-only otv vpn-name OTV-43 redistribute filter route-map restart otv-isis OTV-42 OTV-45 OTV-46 show forwarding distribution otv multicast route show forwarding otv OTV-47 OTV-49 show forwarding otv multicast outgoing-interface-list show forwarding otv multicast route show forwarding otv overlay show otv OTV-51 OTV-53 show ip igmp snooping mrouter otv show logging level otv isis OTV-50 OTV-54 OTV-55 OTV-56 show otv adjacency OTV-58 show otv arp-nd-cache show otv data-group OTV-60 OTV-61 show otv isis active-source show otv isis adjacency OTV-64 OTV-66 show otv isis database OTV-68 show otv isis hostname OTV-70 show otv isis interface OTV-71 show otv isis ip mroute OTV-73 show otv isis ip redistribute mroute OTV-75 show otv isis mac redistribute route OTV-76 show otv isis protocol OTV-78 show otv isis redistribute route show otv isis route OTV-80 OTV-81 Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference vi OL-23244-02

Contents S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . show otv isis route-map statistics show otv isis rrm OTV-84 show otv isis site OTV-85 show otv isis spf OTV-86 show otv isis srm OTV-87 show otv isis ssn OTV-89 show otv isis statistics show otv isis traffic OTV-91 OTV-92 show otv isis vpn OTV-94 show otv mroute OTV-95 show otv route show otv site OTV-97 OTV-99 show otv statistics multicast show otv vlan OTV-101 show otv vpn OTV-102 show run otv-isis spf-interval OTV-82 OTV-100 OTV-104 OTV-105 Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 vii

Contents Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference viii OL-23244-02

S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . New and Changed Information This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference. The latest version of this document is available at the following Cisco website: http://www.cisco.com/en/US/products/ps9402/prod command reference list.html To check for additional information about Cisco Nexus 7000 Series NX-OS Release 5.2(1), see the Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x available at the following Cisco website: http://www.cisco.com/en/US/products/ps9402/prod release notes list.html Table 1 summarizes the new and changed features for the Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference and tells you where they are documented. Table 1 New and Changed Features for Release 5.2(1) Changed in Release Where Documented Feature Description OTV Adjacency Server Added support for unicast cores using an adjacency server 5.2(1) otv adjacency-server unicast-only otv use-adjacency-server unicast-only Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 iii

New and Changed Information Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference iv OL-23244-02

S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Preface This preface describes the audience, organization, and conventions of the Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference. It also provides information on how to obtain related documentation. This chapter includes the following sections: Audience, page ix Organization, page ix Document Conventions, page ix Related Documentation, page x Obtaining Documentation and Submitting a Service Request, page xii Audience This publication is for experienced users who configure and maintain NX-OS devices. Organization This reference is organized as follows: Chapter and Title Description Chapter 1, “Overlay Transport Virtualization Commands” Describes the Cisco NX-OS Overlay Transport Virtualization (OTV) commands. Document Conventions Command descriptions use these conventions: Convention Description boldface font Commands and keywords are in boldface. italic font Arguments for which you supply values are in italics. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 ix

Preface Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . [ ] Elements in square brackets are optional. [x y z] Optional alternative keywords are grouped in brackets and separated by vertical bars. string A nonquoted set of characters. Do not use quotation marks around the string or the string will include the quotation marks. Screen examples use these conventions: screen font Terminal sessions and information that the switch displays are in screen font. boldface screen font Information you must enter is in boldface screen font. italic screen font Arguments for which you supply values are in italic screen font. Nonprinting characters, such as passwords, are in angle brackets. [ ] Default responses to system prompts are in square brackets. !, # An exclamation point (!) or a pound sign (#) at the beginning of a line of code indicates a comment line. This document uses the following conventions: Note Caution Tip Means reader take note. Notes contain helpful suggestions or references to material not covered in the manual. Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data. Means the following information will help you solve a problem. Related Documentation Cisco NX-OS includes the following documents: Release Notes Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x NX-OS Configuration Guides Cisco Nexus 7000 Series NX-OS Configuration Examples, Release 5.x Configuring the Cisco Nexus 2000 Series Fabric Extender Cisco Nexus 7000 Series NX-OS FabricPath Configuration Guide Configuring Feature Set for FabricPath Cisco NX-OS FCoE Configuration Guide for Cisco Nexus 7000 and Cisco MDS 9500 Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference x OL-23244-02

Preface S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Cisco Nexus 7000 Series NX-OS Fundamentals Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS High Availability and Redundancy Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS LISP Configuration Guide Cisco Nexus 7000 Series NX-OS MPLS Configuration Guide Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS OTV Configuration Guide Cisco Nexus 7000 Series OTV Quick Start Guide Cisco Nexus 7000 Series NX-OS Quality of Service Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS SAN Switching Configuration Guide Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Virtual Device Context Quick Start, Release 5.x NX-OS Command References Cisco Nexus 7000 Series NX-OS Command Reference Master Index Cisco Nexus 7000 Series NX-OS FabricPath Command Reference Cisco NX-OS FCoE Command Reference for Cisco Nexus 7000 and Cisco MDS 9500 Cisco Nexus 7000 Series NX-OS Fundamentals Command Reference Cisco Nexus 7000 Series NX-OS High Availability Command Reference Cisco Nexus 7000 Series NX-OS Interfaces Command Reference Cisco Nexus 7000 Series NX-OS Layer 2 Switching Command Reference Cisco Nexus 7000 Series NX-OS LISP Command Reference Cisco Nexus 7000 Series NX-OS MPLS Command Reference Cisco Nexus 7000 Series NX-OS Multicast Routing Command Reference Cisco Nexus 7000 Series NX-OS OTV Command Reference Cisco Nexus 7000 Series NX-OS Quality of Service Command Reference Cisco Nexus 7000 Series NX-OS SAN Switching Command Reference Cisco Nexus 7000 Series NX-OS Security Command Reference Cisco Nexus 7000 Series NX-OS System Management Command Reference Cisco Nexus 7000 Series NX-OS Unicast Routing Command Reference Cisco Nexus 7000 Series NX-OS Virtual Device Context Command Reference Other Software Documents Cisco NX-OS Licensing Guide Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 xi

Preface Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Cisco Nexus 7000 Series NX-OS MIB Quick Reference Cisco Nexus 7000 Series NX-OS Software Upgrade and Downgrade Guide, Release 5.x Cisco NX-OS System Messages Reference Cisco Nexus 7000 Series NX-OS Troubleshooting Guide Cisco NX-OS XML Interface User Guide Obtaining Documentation and Submitting a Service Request For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at: hatsnew.html Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS Version 2.0. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference xii OL-23244-02

S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Overlay Transport Virtualization Commands This chapter describes the Overlay Transport Virtualization (OTV) commands Cisco NX-OS for the Nexus 7000 Series devices. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 1

Overlay Transport Virtualization Commands authentication (OTV) Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . authentication (OTV) To configure an authentication keychain string for edge device authentication, use the authentication command. To return to the default setting, use the no form of this command. authentication key-chain keychain-name no authentication key-chain keychain-name Authentication keychain. The maximum length is from 1 to 16 characters. Syntax Description keychain-name Defaults None Command Modes OTV ISI VPN SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines The authentication command is used to assign a password in the authentication of a hello protocol data unit. Only one authentication key chain is applied to an IS-IS interface at one time. If you configure a second authentication command, the first is overridden. You can specify authentication for an entire instance of IS-IS instead of at the interface level by using the authentication command. This command requires a Transport Services license. This example shows how to configure an authentication keychain string for edge device authentication: Examples switch# config t Enter configuration commands, one per line. End with CNTL/Z. switch(config)# otv-isis default switch(config-router)# vpn name switch(config-router-vrf)# authentication keychain OTVKeys switch(config-router-vrf)# Related Commands Command Description show otv isis Displays the IS-IS status and configuration. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference 2 OL-23244-02

Overlay Transport Virtualization Commands authentication-check (OTV) S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . authentication-check (OTV) To enable an authentication check of hello messages between Overlay Transport Virtualization (OTV) edge devices, use the authentication-check command. To return to the default setting, use the no form of this command. authentication-check no authentication-check Syntax Description This command has no arguments or keywords. Defaults Enabled Command Modes OTV ISIS VPN SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines The authentication-type command controls authentication checking on incoming hello protocol data units (PDUs). This command requires a Transport Services license. Examples This example shows how to enable authentication of hello messages between OTV edge devices: switch# config t Enter configuration commands, one per line. End with CNTL/Z. switch(config)# otv-isis default switch(config-router)# vpn name switch(config-router-vrf)# authentication-check switch(config-router-vrf)# Related Commands Command Description show otv Displays information about OTV. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 3

Overlay Transport Virtualization Commands authentication-type (OTV) Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . authentication-type (OTV) To configure Overlay Transport Virtualization (OTV) authentication type, use the authentication-type command. To return to the default setting, use the no form of this command. authentication-type {cleartext md5} no authentication-type {cleartext md5} Syntax Description cleartext Specifies the cleartext authentication method. md5 Specifies Message Digest (MD5) authentication. Defaults Enabled Command Modes OTV ISIS VPN SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines Use the authentication-type command to configure the authentication type for hello protocol data units (PDUs) on an interface. This command requires a Transport Services license. Examples This example shows how to specify cleartext authentication: switch# config t Enter configuration commands, one per line. End with CNTL/Z. switch(config)# otv-isis default switch(config-router)# vpn name switch(config-router-vrf)# authentication-type cleartext switch(config-router-vrf)# This example shows how to specify Message Digest (MD5) authentication: switch# config t Enter configuration commands, one per line. End with CNTL/Z. switch(config)# otv-isis default switch(config-router)# vpn name switch(config-router-vrf)# authentication-type md5 switch(config-router-vrf)# Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference 4 OL-23244-02

Overlay Transport Virtualization Commands authentication-type (OTV) S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . Related Commands Command Description show otv Displays information about OTV. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 5

Overlay Transport Virtualization Commands clear otv arp-nd Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . clear otv arp-nd To clear log Address Resolution Protocol (ARP) and Neighbor Discovery (ND) packets caching information, use the clear otv arp-nd command. clear otv arp-nd Syntax Description This command has no arguments or keywords. Defaults None Command Modes Configuration mode SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines Note This command requires a Transport Services license. IPv6 is not supported in this release. This example shows how to clear log ARP/ND caching information: Examples switch(config)# clear otv arp-nd switch(config)# Related Commands Command Description show otv isis Displays the IS-IS status and configuration. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference 6 OL-23244-02

Overlay Transport Virtualization Commands clear otv isis adjacency S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . clear otv isis adjacency To clear the Intermediate-System-to-Intermediate System (IS-IS) adjacency state, use the clear otv isis adjacency command. clear otv isis adjacency [* vpn {vpn-name all} overlay interface vpn {vpn-name all} system-id sid vpn {vpn-name all}] Syntax Description * (Optional) Specifies IS-IS adjacencies on all interfaces. vpn (Optional) Specifies VPN information. vpn-name VPN name. The maximum length is 32 alphanumeric characters. all (Optional) Specifies all configured VPNs. overlay (Optional) Specifies an overlay interface. interface Specifies overlay interface number. The range is from 0 to 65535. system-id (Optional) Specifies the hostname or the system ID. It is 6 bytes long sid Specifies hostname or System ID (in the form of XXXX.XXXX.XXXX). Defaults None Command Modes Global configuration mode SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines This command requires a Transport Services license. Examples This example shows how to clear counters and reset adjacencies with neighbors: switch# clear otv isis adjacency * switch# Related Commands Command Description show otv isis Displays the IS-IS status and configuration. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 7

Overlay Transport Virtualization Commands clear otv isis statistics Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . clear otv isis statistics To clear Overlay Transport Virtualization (OTV) Intermediate-System-to-Intermediate System (IS-IS) protocol statistics, use the clear otv isis statistics command. clear otv isis statistics [ * vpn {vpn-name all} overlay interface vpn {vpn-name all}] Syntax Description * (Optional) Specifies IS-IS adjacencies on all interfaces. vpn (Optional) Specifies VPN information. vpn-name Specifies VPN name. The maximum length is 32 alphanumeric characters. all (Optional) Specifies all configured VPNs. overlay (Optional) Specifies an overlay interface. interface Overlay interface number. The range is from 0 to 65535. Defaults None Command Modes Global configuration mode SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines This command requires a Transport Services license. Examples This example shows how to clear OTV IS-IS protocol statistics: switch# clear otv isis statistics * switch# Related Commands Command Description show otv isis Displays the IS-IS status and configuration. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference 8 OL-23244-02

Overlay Transport Virtualization Commands clear otv isis traffic S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . clear otv isis traffic To clear Overlay Transport Virtualization (OTV) Intermediate-System-to-Intermediate System (IS-IS) traffic information, use the clear otv isis traffic command. clear otv isis traffic [ * vpn {vpn-name all} overlay interface vpn {vpn-name all}] Syntax Description * (Optional) Specifies IS-IS adjacencies on all interfaces. overlay (Optional) Specifies an overlay interface. interface Overlay interface number. The range is from o to 65535. vpn (Optional) Specifies VPN information. vpn-name VPN name. The maximum length is 32 alphanumeric characters. all (Optional) Specifies all configured VPNs. Defaults None Command Modes Global configuration mode SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines This command requires a Transport Services license. Examples This example shows how to clear OTV IS-IS traffic information: switch# clear otv isis traffic * switch# Command History Command Description show otv isis Displays the IS-IS status and configuration. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 9

Overlay Transport Virtualization Commands feature otv Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . feature otv To enable Overlay Transport Virtualization (OTV), use the feature otv command. To return to the default setting, use the no form of this command. feature otv no feature otv Syntax Description This command has no arguments or keywords. Defaults Disabled Command Modes Global configuration SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines You must use the feature otv command to enable the OTV functionality. The device does not display any OTV commands until you enable the feature. This command requires a Transport Services license. This example shows how to enable OTV functionality on the device: Examples switch# config t switch(config)# feature otv switch(config)# Related Commands Command Description show feature Displays information about the features enabled on the device. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference 10 OL-23244-02

Overlay Transport Virtualization Commands graceful-restart (OTV) S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . graceful-restart (OTV) To enable graceful restart for the IS-IS process, use the graceful-restart command. To return to the default setting, use the no form of this command. graceful-restart no graceful-restart Syntax Description This command has no arguments or keywords. Defaults Disabled Command Modes OTV IS-IS VPN SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines Use the graceful-restart command to enable graceful restart for the IS-IS process. This command requires a Transport Services license. Examples This example shows how to enable graceful restart for the IS-IS process: switch# config t Enter configuration commands, one per line. switch(config)# otv-isis default switch(config-router)# vpn name switch(config-router-vrf)# graceful-restart switch(config-router-vrf)# Related Commands End with CNTL/Z. Command Description feature OTV Enables OTV on this device. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 11

Overlay Transport Virtualization Commands graceful-restart t3 manual (OTV) Se n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . graceful-restart t3 manual (OTV) To change a manually set T3 default value for the Intermediate-System-to-Intermediate System (IS-IS) process, use the graceful-restart t3 manual command. To return to the default setting, use the no form of this command. graceful-restart t3 manual time no graceful-restart t3 manual time Time in seconds. The range is from 30 to 65535. Syntax Description time Defaults 60 seconds Command Modes OTV IS-IS VPN SupportedUserRoles network-admin vdc-admin Command History Release Modification 5.0(3) This command was introduced. Usage Guidelines Use the graceful-restart t3 manual command to set the T3 timer, as defined in RFC 3847. This command requires a Transport Services license. This example shows how to set the T3 timer for the IS-IS process: Examples switch# config t Enter configuration commands, one per line. End with CNTL/Z. switch(config)# otv-isis default switch(config-router)# vpn name switch(config-router-vrf)# graceful-restart t3 manual 70 switch(config-router-vrf)# Related Commands Command Description feature OTV Enables OTV on this device. Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference 12 OL-23244-02

Overlay Transport Virtualization Commands hostname dynamic (OTV) S e n d d o c u m e n t c o m m e n t s t o n ex u s 7 k - d o c f e e d b a ck @ c i s c o . c o m . hostname dynamic (OTV) To configure a dynamic hostname exchange for Intermediate-System-to-Intermediat

Cisco Nexus 7000 Series NX-OS Overlay Transport Virtualization Command Reference OL-23244-02 Preface Cisco Nexus 7000 Series NX-OS Fundamentals Configuration Guide, Release 5.x Cisco Nexus 7000 Series NX-OS High Availability and Redundancy Guide, Release 5.x Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x

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words, an asset management company’s present value of fee income equals its current assets under management. Of course, realistic active investment strategies (i.e. those that deviate from market weights) will exhibit capacity limits. If too many investors follow a given strategy, returns will decline and clients will eventually leave. Infinite growth is clearly unrealistic, and models built .