Arista Networks

1 User ManualArista EOS version June 2016 Copyright 2016 Arista Networks , Inc. The information contained herein is subject to change without notice. Arista Networks and the Arista logo are trademarks of Arista Networks , Inc., in the United States and other countries. Other product or service names may be trademarks or service marks of Great America ParkwaySanta Clara, CA 95054 USA408 547-5502866 547-5501866 Manual: Version February 2016iiiCommand Reference .. 1 Chapter 1 Overview.. 43 Chapter 2 Initial Configuration and Recovery .. 45 Initial Switch Access .. 45 Connection Management .. 51 Configure Session .. 52 Recovery Procedures .. 56 Session Management Commands .. 60 Chapter 3 Command-Line Interface .. 89 Accessing the EOS CLI .. 89 Processing Commands .. 91 Kernel-based Virtual Machine Commands and Configuration .. 96 Switch Platforms .. 102 Command Modes .. 112 Managing Switch Configuration Settings .. 115 Other Command-Line Interfaces.

2 117 Common Criteria (CC) .. 118 Directory Structure.. 119 Command-Line Interface Commands .. 120 Chapter 4 AAA Configuration .. 183 Authorization, Authentication, and Accounting Overview .. 183 Configuring the Security Services .. 184 Server Groups .. 192 Role Based Authorization .. 193 Activating Security Services .. 201 TACACS+ Configuration Examples .. 204 AAA Commands .. 206 Chapter 5 Administering the Switch.. 261 Managing the Switch Name .. 261 Managing the System Clock .. 264 Synchronizing the Time Settings .. 265 Table of Contentsiv5 February 2016 User Manual: Version of ContentsManaging Display Attributes .. 274 Event Monitor .. 276 Switch Administration Commands .. 280 Chapter 6 Booting the Switch.. 353 Boot Loader Aboot .. 353 Configuration Files.. 354 Supervisor Redundancy .. 358 System Reset .. 360 Aboot Shell.. 365 Aboot Configuration Commands .. 369 Switch Booting Commands .. 374 Chapter 7 Upgrades and Downgrades.. 393 Upgrade/Downgrade Overview.

3 393 Accelerated Software Upgrade (ASU) .. 394 Leaf Smart System Upgrade (Leaf SSU) .. 398 Standard Upgrades and Downgrades .. 405 Upgrade/Downgrade Commands .. 412 Chapter 8 Switch Environment Control .. 417 Environment Control Introduction .. 417 Environment Control Overview .. 417 Configuring and Viewing Environment Settings .. 418 Environment Commands .. 422 Chapter 9 Ethernet Ports .. 433 Ethernet Ports Introduction .. 433 Ethernet Standards.. 433 Ethernet Physical Layer.. 436 Interfaces .. 439 Ethernet Configuration Procedures .. 442 Ethernet Configuration Commands .. 462 Chapter 10 Port Channels and LACP.. 495 Port Channel Introduction .. 495 Port Channel Conceptual Overview .. 495 Port Channel Configuration Procedures .. 498 Load Balancing Hash Algorithms .. 502 Port Channel and LACP Configuration Commands .. 507 User Manual: Version February 2016vTable of Contents Chapter 11 Multi-Chassis Link Aggregation .. 553 MLAG Introduction .. 553 MLAG Conceptual Overview.

4 554 MLAG Maintenance.. 556 Configuring MLAG .. 560 MLAG Implementation Example.. 566 MLAG Commands .. 574 Chapter Port Security.. Port Security Introduction .. Port Security Description .. 592 Configuring Port Security .. 597 Displaying information .. 601 IEEE Configuration Commands .. 602 Chapter 13 DCBX and Flow Control.. 615 Introduction .. 615 DCBX and Priority-Based Flow Control Overview .. 616 DCBX and PFC Configuration and Verification Procedures .. 617 DCBX and Flow Control Configuration Commands .. 619 Chapter 14 LLDP .. 633 LLDP Introduction .. 633 LLDP Overview .. 633 LLDP Configuration Procedures .. 635 LLDP Configuration Commands.. 640 Chapter 15 Data Transfer .. 659 Data Transfer Introduction .. 659 Data Transfer Methods .. 660 MAC Address Table .. 664 Configuring Ports .. 667 Monitoring Links .. 676 Data Transfer Command Descriptions .. 687 Chapter 16 Tap Aggregation .. 761 Tap Aggregation Introduction .. 761 Tap Aggregation Description.

5 761 Tap Aggregation Configuration.. 765 Tap Aggregation Traffic Steering.. 772 Tap Aggregation GUI.. 775 Keyframe and Timestamp Configuration .. 777 Tap Aggregation Command Descriptions .. 779vi5 February 2016 User Manual: Version of Contents Chapter 17 VLANs .. 815 VLAN Introduction .. 815 VLAN Conceptual Overview .. 815 VLAN Configuration Procedures .. 818 VLAN Configuration Commands .. 826 Chapter 18 VXLAN.. 855 VXLAN Introduction .. 855 VXLAN Description .. 856 VXLAN Configuration.. 860 VXLAN Command Descriptions .. 870 Chapter 19 ACLs and Route Maps .. 885 ACL, Route Map, and Prefix List Introduction .. 885 Access Control Lists .. 886 Route Maps .. 899 Prefix Lists .. 904 ACL, Route Map, and Prefix List Commands .. 907 Chapter 20 VRRP and VARP .. 959 VRRP and VARP Conceptual Overview .. 959 VRRP and VARP Implementation Procedures .. 961 VRRP and VARP Implementation Examples.. 969 VRRP and VARP Configuration Commands.. 974 Chapter 21 Spanning Tree Protocol.

6 1001 Introduction to Spanning Tree Protocols .. 1001 Spanning Tree Overview .. 1001 Configuring a Spanning Tree .. 1008 STP Commands .. 1021 Chapter 22 Quality of Service.. 1087 Quality of Service Conceptual Overview.. 1087 QoS Configuration: Arad Platform Switches.. 1092 QoS Configuration: FM6000 Platform Switches .. 1103 QoS Configuration: Petra Platform Switches .. 1110 QoS Configuration: Trident Platform Switches .. 1117 QoS Configuration: Trident-II and Helix Platform Switches .. 1126 Quality of Service Configuration Commands .. 1133 Chapter 23 Traffic Management .. 1205 Traffic Management Conceptual Overview .. 1205 User Manual: Version February 2016viiTable of ContentsTraffic Management Configuration Arad Platform Switches .. 1208 Traffic Management Configuration FM6000 Platform Switches .. 1213 Traffic Management Configuration Petra Platform Switches .. 1220 Traffic Management Configuration Trident Platform Switches .. 1223 Traffic Management Configuration Trident-II Platform Switches.

7 1232 Traffic Management Configuration Commands.. 1235 Chapter 24 IPv4 .. 1311 IPv4 Addressing .. 1311 IPv4 Routing .. 1319 IPv4 Multicast Counters .. 1324 Route Management .. 1328 IPv4 Route Scale .. 1333IP Source Guard .. 1336 DHCP Relay Across VRF .. 1338IP NAT .. 1341 IPv4 Command Descriptions .. 1349 Chapter 25 IPv6 .. 1439 Introduction .. 1439 IPv6 Description .. 1440 Configuring IPv6 .. 1442 IPv6 Command Descriptions .. 1451 Chapter 26 Open Shortest Path First Version 2 .. 1495 OSPFv2 Introduction .. 1495 OSPFv2 Conceptual Overview .. 1496 Configuring OSPFv2 .. 1499 OSPFv2 Examples.. 1515 OSPFv2 Commands .. 1524 Chapter 27 Open Shortest Path First Version 3 .. 1587 OSPFv3 Introduction .. 1587 OSPFv3 Conceptual Overview .. 1588 Configuring OSPFv3 .. 1591 OSPFv3 Examples.. 1602 OSPFv3 Commands .. 1610 Chapter 28 Border Gateway Protocol .. 1657 BGP Conceptual Overview.. 1657 Configuring BGP .. 1659 BGP Examples .. 1674 BGP Commands .. 1677viii5 February 2016 User Manual: Version of Contents Chapter 29 Routing Information Protocol.

8 1771 RIP Conceptual Overview .. 1771 Running RIP on the Switch .. 1772 RIP Commands .. 1775 Chapter 30IS-IS .. 1789IS-IS Introduction .. 1789IS-IS .. 1790IS-IS Command Descriptions .. 1796 Chapter 31 Multiprotocol Label Switching (MPLS) .. 1823 MPLS .. 1823 Decap Groups .. 1826 Nexthop Groups .. 1828 MPLS Command Descriptions.. 1832 Chapter 32 Bidirectional Forwarding Detection .. 1849 Introduction .. 1849 BFD Configuration .. 1851 BFD Command Descriptions .. 1855 Chapter 33 Multicast Architecture .. 1869 Introduction .. 1869 Multicast Architecture Description .. 1870 Multicast Configuration .. 1872 Multicast Commands .. 1877 Chapter 34 IGMP and IGMP Snooping .. 1895 Introduction .. 1895 IGMP Protocols .. 1896 Configuring IGMP .. 1898 Configuring IGMP Snooping .. 1900 IGMP Host Proxy .. 1909 IGMP and IGMP Snooping Commands .. 1912 Chapter 35 Protocol Independent Multicast .. 1993 Introduction .. 1993 Configuring PIM.. 1995 Multicast Example.

9 1999 PIM Commands .. 2003 User Manual: Version February 2016ixTable of Contents Chapter 36 Multicast Source Discovery Protocol .. 2035 MSDP Introduction .. 2035 MSDP Description .. 2036 MSDP Configuration .. 2038 MSDP Commands .. 2045 Chapter 37 Audio Video Bridging (AVB) .. 2069 AVB Overview .. 2069 AVB Protocols .. 2070 AVB Configuration.. 2072 AVB Command Descriptions .. 2076 Chapter 38 SNMP .. 2089 SNMP Introduction .. 2089 SNMP Conceptual Overview .. 2089 Configuring SNMP .. 2091 SNMP Commands .. 2097 Chapter 39 Latency Analyzer (LANZ) .. 2129 Introduction to LANZ .. 2129 LANZ Overview .. 2129 Configuring LANZ .. 2131 LANZ Commands .. 2140 Chapter 40VM Tracer .. 2167VM Tracer Introduction .. 2167VM Tracer Description .. 2168VM Tracer Configuration Procedures.. 2170VM Tracer Configuration Commands .. 2174 Chapter 41 Path Tracer .. 2197 Path Tracer Description.. 2197 Path Tracer Configuration .. 2201 Path Tracer Command Descriptions.

10 2208 Chapter 42 MapReduce Tracer.. 2229 MapReduce Tracer Introduction .. 2229 MapReduce Tracer Configuration .. 2231 Displaying MapReduce Tracer Results .. 2235 MapReduce Tracer Command Descriptions .. 2240x5 February 2016 User Manual: Version of Contents Chapter 43sFlow .. 2283sFlow Conceptual Overview .. 2283sFlow Configuration Procedures .. 2286sFlow Configuration Commands.. 2288 Chapter 44 OpenFlow .. 2303 OpenFlow Introduction .. 2303 OpenFlow Description .. 2304 OpenFlow Configuration .. 2311 OpenFlow Command Descriptions .. 2314 Chapter 45 DirectFlow .. 2337 Introduction .. 2337 DirectFlow Configuration .. 2339 DirectFlow Feature Interactions.. 2340 DirectFlow Command Descriptions .. 2342 Index .. 2357 User Manual: Version February 20161 Chapter 1 Overview.. 43 Chapter 2 Initial Configuration and Recovery .. 45domain (XMPP Management) .. 61idle-timeout (Console Management) .. 62idle-timeout (SSH Management) .. 63idle-timeout (Telnet Management).