A note on the digital index A link in an index entry is displayed as the section title in which that entry appears. Because some sections have multiple index markers, it is not unusual for an entry to have several links to the same section. Clicking on any link will take you directly to the place in the text in which the marker appears.
Symbols 802.1Q tag, Quality of Service ! (exclamation point), preceding
comments, RIP ? (question mark), for command
list, Using EOS > (right angle bracket),
for redirection, Using EOS | (vertical bar), for
piping, Using EOS –Using EOS , Using EOS –Using EOS A Aboot, Upgrading EOS , Aboot –Aboot , Aboot , Aboot , Aboot , Aboot , Aboot –Aboot boot-config required for, Upgrading EOS , Aboot , Aboot –Aboot commands for, list of, Aboot halting system, conditions for, Aboot shell for, entering, Aboot ACL (Access-Control List), Configuring MLAG , Access Lists –Access Lists , Access Lists , Access Lists , Access Lists , Access Lists , Access Lists , Basic IP ACLs –Basic IP ACLs , Basic IP ACLs , Basic IP ACLs , Advanced IP ACLs –Advanced IP ACLs , Advanced IP ACLs –Advanced IP ACLs , MAC ACLs –MAC ACLs , Applying ACLs –Applying ACLs , Applying ACLs –Applying ACLs applying, Applying ACLs –Applying ACLs CIDR masks, Basic IP ACLs configuration, Basic IP ACLs –Basic IP ACLs control plane ACL, Configuring MLAG , Access Lists , Access Lists , Access Lists , Advanced IP ACLs –Advanced IP ACLs , Applying ACLs –Applying ACLs filters, Advanced IP ACLs –Advanced IP ACLs inverse masks, Basic IP ACLs MAC-based ACL, Access Lists , MAC ACLs –MAC ACLs types of, Access Lists actions, event-handler, Description , Description , Configuration Address Resolution Protocol, ARP (see ARP) admin command, Using EOS Advanced Event Management (AEM), Marketing Glossary advertisement interval, VRRP, Basic Configuration –Basic Configuration AEM (Advanced Event Management), Marketing Glossary agent command, SysDB agent, sFlow, sFlow airflow, Airflow all keyword, Using EOS allowed-vlan command, VM Tracer application switch, Arista 7124FX arbitration, Buffers –Buffers Arista, A Brief History of Arista –Jayshree Ullal , Arista Delivers –CloudVision , Python , Python , Routing , Arista Support history of, A Brief History of Arista –Jayshree Ullal support from, Python , Python , Routing , Arista Support switches, features of, Arista Delivers –CloudVision (see also switches) Arista 7048T, Buffers , Arista Product ASICs , So What? Arista 7048T-A, Arista Product ASICs , One-Gigabit Switches –Arista 7048T-A Arista 7050Q-16, Arista Product ASICs , 7050Q-16 Arista 7050S, So What? Arista 7050S-52, Arista Product ASICs , 7050S-52 Arista 7050S-64, Arista Product ASICs , Arista Product ASICs , Fabric Speed , Power , 7148SX , 7050S-64 –7050S-64 Arista 7050T-4S, Arista Product ASICs Arista 7050T-52, Arista Product ASICs , 7050T-52 –7050T-52 Arista 7050T-64, Arista Product ASICs , 7050T-64 Arista 7124FX, Arista Product ASICs , Arista 7124FX –Arista 7124FX Arista 7124S, Arista Product ASICs Arista 7124SX, Arista Product ASICs , Arista 7124SX –Arista 7124SX , So What? Arista 7148-4S, Arista Product ASICs Arista 7148SX, Arista Product ASICs , 7148SX –7148SX Arista 7500, Fabric Speed Arista 7504, Arista Product ASICs , Arista 7500 Series –7504 Arista 7508, Arista Product ASICs , Arista 7500 Series –Arista 7500 Series , 7508 Arista FM4000-based switches, Arista Product ASICs , Configuring Defaults –FM4000 and Trident-based switches Arista Petra-based switches, Arista Product ASICs , Configuring Defaults , Petra-based switches –Petra-based switches Arista Product Quick Reference Guide, EOS Arista Trident-based switches, Arista Product ASICs , Configuring Defaults –FM4000 and Trident-based switches ARP (Address Resolution Protocol), VARP , ARP –ARP events, monitoring, ARP –ARP requests, responding to, VARP (see VARP) ASICs (Application Specific Integrated
Circuits), The Debate , Arista Product ASICs , Arista Product ASICs , SysDB drivers for, modular, SysDB merchant or custom silicon in, The Debate type installed, viewing, Arista Product ASICs types of, Arista Product ASICs authentication, Basic Configuration , Email for email, Email for VRRP, Basic Configuration autocompletion of commands, Using EOS B backplane, Fabric Speed –Fabric Speed , Fabric Speed backup routers, VRRP, VRRP , Basic Configuration –Basic Configuration bandwidth percent command, Prioritizing tx-queues bang (!), preceding comments, RIP bash command, Bash , Bash bash shell, Bash , Bash , Bash –Bash , Bash , Bash , Bash , Bash , Unix –Unix , Marketing Glossary commands, Bash (see commands) executing CLI commands from, Bash executing commands from CLI, Bash in AEM, Marketing Glossary limiting access to, Bash starting, Bash TCP dump, running in, Unix –Unix Bechtolsheim, Andy, Andy Bechtolsheim –Andy Bechtolsheim BGP (Border Gateway Protocol), BGP –BGP , Tracing Agents (Debugging) , Useful Examples configuration, BGP –BGP tracing, Tracing Agents (Debugging) , Useful Examples blocking, Buffers boot command, Aboot, Aboot boot console speed command, Aboot boot system command, Upgrading EOS , Upgrading EOS boot-config file, Upgrading EOS , Upgrading EOS , Aboot , Aboot –Aboot , Aboot bootloader for EOS, Aboot (see Aboot) Border Gateway Protocol, BGP (see BGP) boundary ports, MST, MST bridging, data-center, Data Center Networking buffer bloat, Buffers buffers, Buffers –Buffers , Buffers , Buffers –Buffers , LANZ latency increased by, Buffers performance of, analyzing, LANZ (see LANZ) size of, Buffers –Buffers Busybox, Aboot C C13-C14 connectors, Power Canonical Format Indicator (CFI), Quality of Service cat command, Bash cd command, Bash , Aboot Aboot, Aboot bash, Bash CDP (Cisco Discovery Protocol), LLDP , VM Tracer , CDP Weirdness –CDP Weirdness CEF (Cisco Express Forwarding), LANZ CFI (Canonial Format Indicator), Quality of Service channel-group command, Configuring MLAG chassis switches, Fabric Speed , EOS , Chassis Switches –7508 Cheriton, David, David Cheriton CIDR masks, ACL, Basic IP ACLs Cisco 3750, LLDP , Configuring MLAG , Spanning Tree Protocol , LANZ Cisco 6509, Arista Product ASICs , Fabric Speed , Fabric Speed Cisco Discovery Protocol (CDP), LLDP , VM Tracer , CDP Weirdness –CDP Weirdness Cisco Etherchannel, MLAG Overview Cisco Express Forwarding (CEF), LANZ Cisco GLBP, VARP Cisco HSRP, First Hop Redundancy Cisco IOS, Using EOS , Python Cisco ISL, Configuring MLAG Cisco MST, MST Cisco NetFlow, sFlow Cisco Nexus 3000, Arista and Merchant Silicon Cisco Nexus 5000s, Top-of-Rack Switches Cisco Nexus 5500s, Top-of-Rack Switches Cisco Nexus 5548, So What? Cisco Nexus 7000, The Debate , Fabric Speed Cisco Nexus 7010, So What? Cisco PVST, Spanning Tree Protocol , MST Cisco RPVST, Spanning Tree Protocol , MST Cisco SFP, Optics Cisco Totally Stubby Areas, OSPF Cisco trunk encapsulation, Configuring MLAG Cisco vPC, MLAG Cisco VSS 6509, So What? Cisco VTY interface, Access Lists CIST (Common and Internal Spanning Tree), MST Terminology , MST Terminology Class of Service, Quality of Service (see CoS) CLI (command line interface), SysDB , Using EOS , Bash , Bash , Bash , Bash , Bash , Python , Python –Python altering commands with Python, Python –Python commands, Bash (see commands) Emacs control characters in, Using EOS executing bash commands from, Bash executing commands from bash, Bash exiting, Bash Python scripts for, Python starting, SysDB , Bash Cli command, Bash –Bash CLI Scheduler, Marketing Glossary CloudVision, CloudVision , CloudVision –Configuring and Using CloudVision , Description –Description , Configuring and Using CloudVision –Configuring and Using CloudVision , Configuring and Using CloudVision , Configuring and Using CloudVision , Configuring and Using CloudVision , Configuring and Using CloudVision –Configuring and Using CloudVision , Configuring and Using CloudVision , Groups –Groups , Groups –Groups , Monitoring CloudVision –Monitoring CloudVision adding switch to contact list, Configuring and Using CloudVision configuration, Configuring and Using CloudVision –Configuring and Using CloudVision downloading, Configuring and Using CloudVision group chats with, Groups –Groups groups for, Configuring and Using CloudVision , Groups –Groups monitoring, Monitoring CloudVision –Monitoring CloudVision security issues regarding, Description –Description sending commands with IM, Configuring and Using CloudVision –Configuring and Using CloudVision user accountability with, Configuring and Using CloudVision code examples in this book, Using Code Examples , A Quick Note About Code Examples format of, A Quick Note About Code Examples using, Using Code Examples collector, sFlow, sFlow , Configuring sFlow collisions, buffers preventing, Buffers –Buffers commands, Using EOS , Using EOS , Using EOS , Using EOS –Using EOS , Using EOS –Using EOS , Using EOS , Email , Scheduler , CloudVision autocompletion of, Using EOS list of, displaying, Using EOS output from, emailing, Email (see email) piping, Using EOS –Using EOS , Using EOS –Using EOS redirecting output, Using EOS scheduling, Scheduler (see Scheduler) sending in IMs, CloudVision (see CloudVision) truncated, when allowed, Using EOS comment command, RIP comments, in configurations, RIP , Watch out for those comments! –Watch out for those comments! Common and Internal Spanning Tree, MST Terminology (see CIST) config terminal command, Using EOS CONSOLESPEED option, boot-config file, Aboot , Aboot contact information for this book, How to Contact Us control plane ACL, Configuring MLAG , Access Lists , Access Lists , Access Lists , Advanced IP ACLs –Advanced IP ACLs , Applying ACLs –Applying ACLs Control-A keystroke, Using EOS Control-B keystroke, Using EOS Control-C keystroke, Aboot , Aboot , Aboot , Aboot , Aboot Control-E keystroke, Using EOS Control-F keystroke, Using EOS control-plane command, Applying ACLs Control-Z keystroke, Using EOS conventions used in this book, Conventions Used in This Book copper interface, 7050T-52 , 7050T-52 copy command, Upgrading EOS copy installed-extensions boot-extensions command, Extending EOS CoS (Class of Service), Quality of Service , Quality of Service , Configuring Trust –Petra-based switches cp command, Aboot, Aboot CPU utilization, viewing, LANZ , Performance Monitoring –Performance Monitoring CST (Common Spanning Tree), MST Terminology custom silicon, The Debate –The Debate , Arista Product ASICs D data center bridging, Data Center Networking data center requirements, The Needs of a Data Center –The Needs of a Data Center .databases command,
SQLite, Advanced Usage debugging, Tracing Agents (Debugging) (see tracing) default-control-plane-acl file, Configuring MLAG , Access Lists , Advanced IP ACLs delay, event-handler, Description deny command, Basic IP ACLs DHCP (Dynamic Host Configuration Protocol), Zero-Touch Provisioning , Booting with ZTP –Booting with ZTP Differentiated Services Code Point, Quality of Service (see DSCP) dir ? command, Upgrading EOS dir command, Upgrading EOS Donahue, Gary A. (Network Warrior), Who Should Read This Book dropped packets, The Case for Low Latency , Buffers DSCP (Differentiated Services Code Point), Quality of Service , Quality of Service , Configuring Trust –Petra-based switches Duda, Ken, Ken Duda –Ken Duda , Python duplex statement, There is no duplex statement in EOS –There is no duplex statement in EOS Dynamic Host Configuration Protocol, Zero-Touch Provisioning (see DHCP) E ejabberd server, Description Emacs control characters, Using EOS email, Email , Email –Email , Email –Email , Email , Email , Email , Email , Email –Email , Email –Email , Email authentication, Email configuring, Email –Email debug information, Email –Email email server, Email from email address, Email sending, Email –Email , Email TLS for, Email email command, Email , Email enable command, Using EOS end command, Using EOS EOS (Extensible Operating System), A Quick Note About Versions , EOS , Extending EOS , Arista and Merchant Silicon , EOS , Introduction to EOS , SysDB , Using EOS , Using EOS , Using EOS , Using EOS , Using EOS , Using EOS , Using EOS , Using EOS , Using EOS , Upgrading EOS –Upgrading EOS , Upgrading EOS –Upgrading EOS , Aboot , EOS –EOS , Extending EOS –Extending EOS bootloader for, Aboot (see Aboot) commands, Using EOS (see commands) comparing to other operating systems, Arista and Merchant Silicon EXEC mode, Using EOS extensions for, Extending EOS , Extending EOS –Extending EOS global configuration mode, Using EOS interface configuration mode, Using EOS logging in, Using EOS modes in, switching between, Using EOS , Using EOS modules in, SysDB Privileged EXEC mode, Using EOS protocol specific mode, Using EOS running TCP dump in, EOS –EOS upgrading, Upgrading EOS –Upgrading EOS version of, displaying, Upgrading EOS –Upgrading EOS versions of, A Quick Note About Versions EOS Central website, Arista Support Esc-B keystroke, Using EOS Esc-F keystroke, Using EOS Etherchannel, MLAG Overview Ethernet interface names, Using EOS Event Monitor, Event Monitor , Event Monitor –Route , Using Event Monitor , ARP –ARP , ARP , MAC –MAC , MAC , Route –Route , Advanced Usage –Advanced Usage , Configuring Event Monitor –Configuring Event Monitor , Configuring Event Monitor –Configuring Event Monitor , Configuring Event Monitor , Configuring Event Monitor , Configuring Event Monitor , Marketing Glossary in AEM, Marketing Glossary ARP events, ARP –ARP backing up logs for, Configuring Event Monitor –Configuring Event Monitor configuration, Configuring Event Monitor –Configuring Event Monitor disabling, Configuring Event Monitor enabling, Configuring Event Monitor MAC events, MAC –MAC maximum buffer size for, Configuring Event Monitor routing table events, Route –Route sqlite option, Using Event Monitor , ARP , MAC , Advanced Usage –Advanced Usage Event Scheduler, Event Scheduler (see Scheduler) event-handler, Event Handler , event-handler –Configuration , Description , Description –Description , Description , Description , Configuration –Configuration , Configuration , Configuration , Configuration , Marketing Glossary actions, Description , Description , Configuration in AEM, Marketing Glossary configuration, Configuration –Configuration delay, Description information about, viewing, Configuration triggers, Description –Description , Configuration event-handler command, Configuration event-monitor all command, Configuring Event Monitor event-monitor backup max-size command, Configuring Event Monitor event-monitor backup path command, Configuring Event Monitor event-monitor buffer max-size command, Configuring Event Monitor event-monitor clear command, Route event-monitor interact command, Advanced Usage exclamation point (!), preceding comments, RIP EXEC mode, Using EOS exit command, Using EOS , Bash Extensible Messaging and Presence Protocol, Description (see XMPP) Extensible Operating System, EOS (see EOS) extension command, Extending EOS extensions, EOS, Extending EOS –Extending EOS , Extending EOS –Extending EOS , Extending EOS , Extending EOS , Extending EOS , Extending EOS adding, Extending EOS list of, Extending EOS –Extending EOS , Extending EOS making permanent, Extending EOS removing, Extending EOS F fabric speed, Fabric Speed –Fabric Speed fans, Power , Upgrading EOS FastCLId-server process, Python Field Programmable Gate Array (FPGA), Arista 7124FX FIFO (First In/First Out) buffers, Buffers first hop redundancy, First Hop Redundancy , VRRP –Miscellaneous VRRP Stuff , VARP –Configuring VARP VARP for, VARP –Configuring VARP VRRP for, VRRP –Miscellaneous VRRP Stuff fonts used in this book, Conventions Used in This Book forced keyword, speed command, There is no duplex statement in EOS FPGA (Field Programmable Gate Array), Arista 7124FX from-user command, emai, Email full duplex, Buffers –Buffers fullrecover command, Aboot –Aboot , Aboot G GARP (General Attribute Registration Protocol) requests,
responding to, VARP (see VARP) Gateway Load Balancing Protocol (GLBP), VARP GBIC standard, Optics General Attribute Registration Protocol (GARP) requests,
responding to, VARP (see VARP) GLBP (Gateway Load Balancing Protocol), VARP global configuration mode, Using EOS grep command, Using EOS , Bash group chats, with CloudVision, Groups –Groups group number, VRRP, VRRP , Basic Configuration I ifconfig command, Bash , Unix ifconfig command, Aboot, Aboot , Aboot , Aboot IM (instant messaging), sending commands using, CloudVision (see CloudVision) include command, Using EOS –Using EOS instances, MST, MST , MST Terminology Inter-Switch Link (ISL), Configuring MLAG interface buffers, LANZ (see buffers) interface command, Using EOS interface configuration mode, Using EOS interface line protocol objects, Basic Configuration interface names, Using EOS interface shaping, QoS, Interface Shaping Internal Spanning Tree, MST Terminology (see IST) Internetwork Operating System (IOS), Python inverse masks, ACL, Basic IP ACLs IOS (Internetwork Operating System), Python ip access-group command, Basic IP ACLs , Applying ACLs , Applying ACLs ip host command, Extending EOS ip rip v2-broadcast command, RIP IP routing, Routing (see routing) ip routing command, Routing ip virtual-router address command, Configuring VARP , Configuring VARP ip virtual-router mac-address command, Configuring VARP , Configuring VARP ISL (Inter-Switch Link), Configuring MLAG IST (Internal Spanning Tree), MST Terminology L LACP (Link Aggregation Control Protocol), Configuring MLAG , Useful Examples active mode, Configuring MLAG tracing, Useful Examples LAG (Link Aggregation), MLAG Overview Lag agent, Useful Examples LANZ (latency analyzer), LANZ , Arista Product ASICs , LANZ –LANZ , LANZ , LANZ , LANZ –LANZ , LANZ , LANZ , LANZ –LANZ , LANZ , LANZ availability of, Arista Product ASICs , LANZ buffer status, viewing, LANZ configuration, LANZ enabling, LANZ license for, LANZ output from, redirecting, LANZ status of buffers, viewing, LANZ –LANZ streaming output from, LANZ –LANZ LANZ-Lite, Arista Product ASICs latency, The Case for Low Latency , Buffers , Ten-Gigabit Switches: 7100 Series buffers increasing, Buffers low latency, The Case for Low Latency , Ten-Gigabit Switches: 7100 Series latency analyzer, LANZ (see LANZ) Layer-3 Anycast Gateway, VARP (see VARP (Virtual ARP)) leaf switches, Marketing Glossary Link Aggregation (LAG), MLAG Overview Link Aggregation Control Protocol, Configuring MLAG (see LACP) Link Layer Discovery Protocol, LLDP (see LLDP) Linux, EOS , Introduction to EOS LLDP (Link Layer Discovery Protocol), LLDP –LLDP lldp command, Cisco, LLDP log-adjacency-changes command, OSPF loops, MLAG Overview , MST , Why Pruning VLANs Can Be Bad blocked by STP, MLAG Overview , MST pruning VLANs causing, Why Pruning VLANs Can Be Bad low latency, The Case for Low Latency low-latency switches, Ten-Gigabit Switches: 7100 Series ls command, Bash ls command, Aboot, Aboot , Aboot M mac access-group command, Applying ACLs MAC events, monitoring, MAC –MAC MACL (MAC-based ACL), Access Lists , MAC ACLs –MAC ACLs management VRF, Management VRF –Management VRF management xmpp command, Configuring and Using CloudVision manual load balancing, Basic Configuration mapping, QoS, Quality of Service , Mapping –Mapping master router, VRRP, VRRP , Basic Configuration –Basic Configuration merchant silicon, The Debate –Arista and Merchant Silicon , Arista Product ASICs –Arista Product ASICs microbursting, LANZ , Buffers –Buffers MLAG (Multichassis Link Aggregation), MLAG , MLAG –MLAG Overview , Configuring MLAG –Configuring MLAG , Configuring MLAG , MLAG ISSU –MLAG ISSU , Spanning Tree and MLAG –Spanning Tree and MLAG configuring, Configuring MLAG –Configuring MLAG STP with, Spanning Tree and MLAG –Spanning Tree and MLAG upgrading, Configuring MLAG , MLAG ISSU –MLAG ISSU MLAG Domain, MLAG Overview , Configuring MLAG , Configuring MLAG MLAG ISSU (In-Service Software Upgrade), Configuring MLAG , MLAG ISSU –MLAG ISSU /mnt/flash directory, Python , Aboot , Aboot , Configuring Event Monitor more command, Using EOS more command, Aboot, Aboot MST (Multiple Spanning Tree), MST –MST Terminology , MST , MST , MST , MST Terminology , MST Terminology –MST Terminology boundary ports of, MST instances of, MST , MST , MST Terminology regions of, MST Terminology –MST Terminology MST0 (MST instance 0), MST , MST Terminology MSTI (MST instances except 0), MST Terminology Multichassis Link Aggregation, MLAG , MLAG (see MLAG) Multiple Spanning Tree, MST (see MST) N NAS protocol, Network-Based Storage neighbor command, BGP NET commands, boot-config file, Aboot , Aboot –Aboot , Aboot NetFlow, sFlow network command, OSPF network namespaces, Management VRF Network Warrior (O'Reilly), Who Should Read This Book networking, data center, Data Center Networking no bandwidth command, Prioritizing tx-queues no boot secret command, Aboot no event-monitor all command, Configuring Event Monitor no extension command, Extending EOS no priority command, Prioritizing tx-queues no schedule command, Scheduler no sflow enable command, Configuring sFlow no shutdown command, RIP , Monitoring CloudVision , Some routing protocols are shut down by default no trace command, Turn It Off! non-blocking switches, Fabric Speed –Fabric Speed nz command modifier, Using EOS –Using EOS O on-startup-config trigger, event-handler, Description on-vm trigger, event-handler, Description onBoot trigger, event-handler, Description one gigabit switches, One-Gigabit Switches –Arista 7048T-A onIntf trigger, event-handler, Description Open Shortest Path First protocol, OSPF (see OSPF protocol) optics, Optics –Optics OSPF (Open Shortest Path First) protocol, OSPF –OSPF , Tracing Agents (Debugging) –Tracing Agents (Debugging) , Useful Examples configuration, OSPF –OSPF tracing, Tracing Agents (Debugging) –Tracing Agents (Debugging) , Useful Examples P packets, The Case for Low Latency , Buffers , sFlow , TCP Dump capturing, TCP Dump (see TCP dump) dropped packets, The Case for Low Latency , Buffers sampling, sFlow (see sFlow) PACL (Port-based ACL), Access Lists password command, email, Email password command, VM Tracer, VM Tracer password command, XMPP, Configuring and Using CloudVision PASSWORD option, boot-config file, Aboot , Aboot –Aboot PCP (Priority Code Point), Quality of Service peer-link, MLAG, MLAG Overview , Configuring MLAG Per-VLAN Spanning Tree (PVST), Spanning Tree Protocol , MST performance monitoring, Performance Monitoring –Performance Monitoring permit command, Basic IP ACLs , Advanced IP ACLs pipes, Using EOS , Using EOS –Using EOS polling interval, sFlow, sFlow , Configuring sFlow Port-based ACL (PACL), Access Lists port-channel, MLAG , VM Tracer linking to multiple switches, MLAG (see MLAG) vmtracer vmware-esx command on, VM Tracer power supplies, Power power, comparing with other switches, Arista Product ASICs preemption, VRRP, Basic Configuration –Basic Configuration , Basic Configuration Priority Code Point (PCP), Quality of Service Privileged EXEC mode, Using EOS process manager, SysDB –SysDB processes, SysDB –SysDB , SysDB , SysDB –SysDB , SysDB , Scheduler (see also show process command) crashing, contained effects of, SysDB –SysDB killing, SysDB running, viewing, Scheduler state of, in SysDB, SysDB prompt command, SysDB propagation delay, Buffers protocol specific mode, Using EOS ps -ef r command, Scheduler ps command, SysDB PVST (Per-VLAN Spanning Tree), Spanning Tree Protocol , MST pwd command, Bash pwd command, Aboot, Aboot Python, Python –Python Q QoS (Quality of Service), Quality of Service –Quality of Service , Quality of Service , Quality of Service , Quality of Service , Quality of Service , Quality of Service –Petra-based switches , Quality of Service , Quality of Service , Quality of Service , Quality of Service , Configuring QoS –Mapping , Configuring Trust –Petra-based switches , Configuring Trust –Petra-based switches , Configuring Defaults , Mapping –Mapping , Mapping –Mapping , Mapping –Prioritizing tx-queues , Interface Shaping , Showing QoS Information –In Conclusion 802.1Q tag, Quality of Service configuration, Configuring QoS –Mapping CoS values, Quality of Service , Quality of Service , Configuring Trust –Petra-based switches default values, Configuring Defaults DSCP values, Quality of Service , Quality of Service , Configuring Trust –Petra-based switches interface shaping, Interface Shaping mapping, Quality of Service , Mapping –Mapping phases for, Quality of Service showing information about, Showing QoS Information –In Conclusion traffic classes, Quality of Service , Mapping –Mapping trust methods, Quality of Service –Petra-based switches tx-queues, Mapping –Prioritizing tx-queues qos map command, Mapping qos trust command, Configuring Trust QSFP+ interfaces, 7050S-64 QSFP+ optics, Optics Quality of Service, Quality of Service (see QoS) question mark (?), for command list, Using EOS queue-monitor length command, LANZ queue-monitor streaming command, LANZ .quit command, SQLite, Advanced Usage R RACL (Router-based ACL), Access Lists Rapid-PVST (RPVST), Spanning Tree Protocol , MST rc.eos script, Python –Python rd command, Management VRF reboot command, Aboot, Aboot rebooting, files not saved after, Bash recover command, Aboot, Aboot redirection of command output, Using EOS regions, MST, MST Terminology –MST Terminology reload command, Upgrading EOS , Upgrading EOS reload-delay command, Configuring MLAG resequence command, Basic IP ACLs Rib agent, Tracing Agents (Debugging) –Tracing Agents (Debugging) , Useful Examples Rib process, So What? right angle bracket (>), for redirection, Using EOS RIP (routing information protocol), RIP –RIP , RIP , Tracing Agents (Debugging) , Useful Examples , Some routing protocols are shut down by default configuration, RIP –RIP shut down by default, Some routing protocols are shut down by default tracing, Tracing Agents (Debugging) , Useful Examples versions of, RIP round-robin tx-queues, Prioritizing tx-queues route distinguisher, management VRF, Management VRF router bgp command, BGP router ospf command, OSPF router rip command, RIP Router-based ACL (RACL), Access Lists routing, Routing –So What? , Routing , Routing , Routing , RIP –RIP , OSPF –OSPF , BGP –BGP , So What? –So What? , So What? , Some routing protocols are shut down by default BGP, BGP –BGP dynamic, license required for, Routing enabling, Routing OSPF, OSPF –OSPF protocols and versions supported, Routing protocols shut down by default, Some routing protocols are shut down by default recovery time of, So What? –So What? RIP, RIP –RIP single process for, So What? routing information protocol, RIP (see RIP) routing table events, monitoring, Route –Route RPMs, extending EOS using, Extending EOS –Extending EOS RPVST (Rapid-PVST), Spanning Tree Protocol , MST running-config file, Upgrading EOS , SysDB , SysDB , SysDB S sample rate, sFlow, sFlow , Configuring sFlow schedule command, Scheduler –Scheduler , Scheduler , Scheduler Scheduler, Event Scheduler , Aboot , Scheduler –Scheduler , Scheduler , Scheduler , Scheduler , Scheduler , Scheduler creating scheduled job, Scheduler deleting scheduled jobs, Scheduler log files for, Aboot , Scheduler logfiles for, Scheduler viewing scheduled jobs, Scheduler .schema command, SQLite, ARP , MAC select command, SQLite, Advanced Usage serialization delay, Buffers server command, email, Email server command, XMPP, Configuring and Using CloudVision service ProcMgr restart command, SysDB sFlow, sFlow –Showing sFlow Information , sFlow , sFlow , sFlow , sFlow , sFlow , Configuring sFlow –Configuring sFlow , Configuring sFlow , Configuring sFlow , Configuring sFlow , Configuring sFlow , Configuring sFlow , Configuring sFlow , Configuring sFlow , Showing sFlow Information –Showing sFlow Information agent, sFlow , Configuring sFlow collector, sFlow , Configuring sFlow configuration, Configuring sFlow –Configuring sFlow disabling, Configuring sFlow enabling, Configuring sFlow packet types not sampled by, sFlow polling interval, sFlow , Configuring sFlow running, Configuring sFlow sample rate, sFlow , Configuring sFlow showing information from, Showing sFlow Information –Showing sFlow Information sflow destination command, Configuring sFlow sflow enable command, Configuring sFlow sflow polling-interval command, Configuring sFlow sflow run command, Configuring sFlow sflow sample command, Configuring sFlow sflow source-interface command, Configuring sFlow sFlowTrend, Configuring sFlow SFP standard, Optics SFP+ optics, Optics shape rate command, Interface Shaping , Shaping tx-queues show active command, BGP , Basic IP ACLs , Some routing protocols are shut down by default show active command, email, Email show boot command, Upgrading EOS show boot-extensions command, Extending EOS show cdp neighbors command, LLDP show donkeys command, And Finally… show event-handler command, Configuration show event-monitor arp command, ARP show event-monitor command, Using Event Monitor show event-monitor mac command, MAC show event-monitor route command, Route show event-monitor sqlite command, Advanced Usage show extensions command, Extending EOS show interface command, LANZ show interface counters command, Using EOS show interface trunk command, Trunk groups show ip access-lists command, Access Lists show ip ospf database command, OSPF show ip ospf neighbors command, OSPF show ip rip database command, RIP show ip rip neighbors command, RIP show ip route command, Routing , RIP , OSPF , BGP , Route show ip virtual-router command, Configuring VARP show lldp command, LLDP show lldp neighbors command, LLDP , LLDP show lldp neighbors detail command, LLDP show log command, Using EOS –Using EOS show mlag command, Configuring MLAG show mlag detail command, Configuring MLAG , Configuring MLAG , MLAG ISSU show platform command, Arista Product ASICs show process cpu hist, LANZ show process cpu sort command, LANZ show process top command, LANZ , Performance Monitoring –Performance Monitoring show qos int command, Prioritizing tx-queues show qos interface command, Showing QoS Information , Petra-Based Switches , FM4000-Based Switches show qos interfaces command, Trident-Based Switches show qos map command, Showing QoS Information show qos maps command, Petra-Based Switches , Trident-Based Switches , FM4000-Based Switches show queue-monitor length command, LANZ –LANZ show queue-monitor length csv command, LANZ show queue-monitor length status command, LANZ show run command, SysDB , Using EOS –Using EOS show running-config command, Using EOS , SysDB show schedule command, Scheduler show schedule summary command, Scheduler show sflow command, Showing sFlow Information show sflow detail command, Showing sFlow Information show sflow interfaces command, Showing sFlow Information show spanning-tree command, MST , MST show trace command, Tracing Agents (Debugging) show track command, Miscellaneous VRRP Stuff show version command, Upgrading EOS –Upgrading EOS show vlan command, VM Tracer , VM Tracer , Trunk groups show vlan trunk group command, Trunk groups show vmtracer all command, VM Tracer , CDP Weirdness show vmtracer interface command, VM Tracer , VM Tracer show vmtracer session command, VM Tracer show vmtracer session detail command, VM Tracer show vrrp brief command, Miscellaneous VRRP Stuff show vrrp command, Basic Configuration show xmpp neighbors command, Monitoring CloudVision show xmpp status command, Monitoring CloudVision shutdown command, Monitoring CloudVision silicon, The Debate –The Debate , The Debate –Arista and Merchant Silicon , Arista Product ASICs , Arista Product ASICs –Arista Product ASICs custom silicon, The Debate –The Debate , Arista Product ASICs merchant silicon, The Debate –Arista and Merchant Silicon , Arista Product ASICs –Arista Product ASICs spanning-tree mode command, Spanning Tree Protocol spanning-tree mst priority command, MST spanning-tree priority command, MST spanning-tree root primary command, MST speed command, There is no duplex statement in EOS spine switches, Marketing Glossary split brain condition, MLAG, Configuring MLAG SQLite, Using Event Monitor sqlite option, Event Monitor, Using Event Monitor , ARP , MAC , Advanced Usage –Advanced Usage sqlite3 command, Advanced Usage stacked switches, The Needs of a Data Center startup-config file, SysDB , Aboot , Zero-Touch Provisioning , Zero-Touch Provisioning absence of, ZTP used for, Zero-Touch Provisioning , Zero-Touch Provisioning replacing, SysDB statistics per-entry command, Advanced IP ACLs STP (Spanning Tree Protocol), MLAG Overview , Configuring MLAG , Spanning Tree Protocol , Spanning Tree and MLAG –Spanning Tree and MLAG , Useful Examples disabling, Configuring MLAG loops blocked by, MLAG Overview MLAG with, Spanning Tree and MLAG –Spanning Tree and MLAG tracing, Useful Examples Stp agent, Useful Examples strict-priority tx-queues, Prioritizing tx-queues sudo command, SysDB support from Arista, Python , Python , Routing , Arista Support SWI files, Aboot SWI option, boot-config file, Aboot –Aboot swiinfo command, Aboot, Aboot switch fabric, Buffers –Buffers , Fabric Speed –Fabric Speed description of, Buffers –Buffers speed of, Fabric Speed –Fabric Speed switch-group command, XMPP, Groups switches, The Needs of a Data Center –The Needs of a Data Center , The Needs of a Data Center , The Needs of a Data Center , Arista Delivers –CloudVision , Power , Power , Airflow , Optics –Optics , EOS , EOS , Top-of-Rack Switches –7050Q-16 , Chassis Switches –7508 , Upgrading EOS airflow for, Airflow chassis switches, EOS , Chassis Switches –7508 fans for, Power , Upgrading EOS features of, Arista Delivers –CloudVision optics for, Optics –Optics power supplies for, Power requirements for, The Needs of a Data Center –The Needs of a Data Center stacked, The Needs of a Data Center superfluous features on, The Needs of a Data Center top-of-rack switches, EOS , Top-of-Rack Switches –7050Q-16 SysDB, SysDB , SysDB –SysDB , SysDB –SysDB , SysDB , SysDB –SysDB , SysDB –SysDB crashing, effects of, SysDB –SysDB killing, SysDB –SysDB process state stored in, SysDB T .tables command, SQLite, Advanced Usage TAC (Technical Assistance Center), Routing Tag Protocol Identifier (TPID), Quality of Service tail command, Using EOS –Using EOS TCP dump, TCP Dump –EOS , Unix –Unix , EOS –EOS running from bash, Unix –Unix running in EOS, EOS –EOS tcpdump command, TCP Dump , Unix , EOS Technical Assistance Center, Routing (see TAC) telnet, not enabled by default, Using EOS ten gigabit switches, Ten-Gigabit Switches: 7100 Series –7050Q-16 TLS (Transport Layer Security), Email top command, Performance Monitoring –Performance Monitoring top-of-rack switches, EOS , Top-of-Rack Switches –7050Q-16 , One-Gigabit Switches –Arista 7048T-A , Ten-Gigabit Switches: 7100 Series –7050Q-16 one-gigabit switches, One-Gigabit Switches –Arista 7048T-A ten-gigabit switches, Ten-Gigabit Switches: 7100 Series –7050Q-16 Totally Stubby Areas, OSPF TPID (Tag Protocol Identifier), Quality of Service trace command, Tracing Agents (Debugging) trace monitor command, Tracing Agents (Debugging) tracing, Tracing Agents (Debugging) –Tracing Agents (Debugging) , Tracing Agents (Debugging) –Tracing Agents (Debugging) , Useful Examples , Turn It Off! –Turn It Off! agents for, Tracing Agents (Debugging) –Tracing Agents (Debugging) , Useful Examples turning off, Turn It Off! –Turn It Off! traffic classes, QoS, Quality of Service , Mapping –Mapping Transport Layer Security (TLS), Email triggers, event-handler, Description –Description , Configuration trunk encapsulation, Configuring MLAG trunk group command, Configuring MLAG , Trunk groups , Trunk groups trunk groups, Trunk groups –Trunk groups trust methods, QoS, Quality of Service –Petra-based switches tx-queue command, Shaping tx-queues tx-queues, Mapping , Shaping tx-queues , Prioritizing tx-queues –Prioritizing tx-queues mapping traffic classes to, Mapping prioritizing, Prioritizing tx-queues –Prioritizing tx-queues shaping, Shaping tx-queues U udhcpc command, Aboot, Aboot Ullal, Jayshree, Jayshree Ullal –Jayshree Ullal ultra low-latency switches, Ten-Gigabit Switches: 7100 Series uname command, Bash url command, VM Tracer user virtual address space, SysDB username command, email, Email username command, VM Tracer, VM Tracer username command, XMPP, Configuring and Using CloudVision V VARP (Virtual ARP), VARP , VARP –Configuring VARP , VARP , Configuring VARP –Configuring VARP , Configuring VARP , Configuring VARP , Configuring VARP , Configuring VARP configuration, Configuring VARP –Configuring VARP multiple virtual IP addresses, Configuring VARP shared virtual MAC address, VARP , Configuring VARP , Configuring VARP virtual IP address, Configuring VARP vendor lock, Arista and Merchant Silicon vertical bar (|), for piping, Using EOS –Using EOS , Using EOS –Using EOS vi command, Aboot, Aboot VID (VLAN Identifier), Quality of Service VIP (virtual IP), VRRP , Basic Configuration , Basic Configuration Virtual ARP, VARP (see VARP) virtual IP, VRRP (see VIP) Virtual Port Channel (vPC), MLAG virtual router identifier, VRRP (see VRID) Virtual Router Redundancy Protocol, VRRP (see VRRP) virtual teletype terminal (VTY) interface, Access Lists VLAN (virtual LAN), MLAG Overview –Configuring MLAG , MST , MST , MST Terminology , Why Pruning VLANs Can Be Bad –Why Pruning VLANs Can Be Bad , VM Tracer , Trunk groups –Trunk groups adding, moving, deleting, VM Tracer (see VM Tracer) for MLAG peer-to-peer communication, MLAG Overview –Configuring MLAG MST for, MST , MST , MST Terminology pruning, Why Pruning VLANs Can Be Bad –Why Pruning VLANs Can Be Bad trunk group of, Trunk groups –Trunk groups VLAN Identifier (VID), Quality of Service VM Tracer, VM Tracer , VM Tracer –VM Tracer , VM Tracer –VM Tracer , VM Tracer , VM Tracer –VM Tracer , VM Tracer –VM Tracer changes made to VLANs, VM Tracer –VM Tracer configuration, VM Tracer –VM Tracer limiting VLANs changed by, VM Tracer –VM Tracer showing information about, VM Tracer Vmotion, Data Center Networking vmstat command, Bash vmtracer session command, VM Tracer vmtracer vmware-esx command, VM Tracer VMware, Data Center Networking , VM Tracer VOQ (Virtual Output Queuing), Buffers vPC (Virtual Port Channel), MLAG VRF (Virtual Routing and Forwarding), Management VRF –Management VRF vrf definition command, Management VRF VRID (virtual router identifier), VRRP , Basic Configuration VRRP (Virtual Router Redundancy Protocol), VRRP –Miscellaneous VRRP Stuff , VRRP , VRRP , VRRP , VRRP , VRRP , Basic Configuration –Basic Configuration , Basic Configuration , Basic Configuration , Basic Configuration –Basic Configuration , Basic Configuration –Basic Configuration , Basic Configuration –Basic Configuration , Basic Configuration –Basic Configuration , Basic Configuration –Basic Configuration , Basic Configuration , Basic Configuration , Basic Configuration , Basic Configuration , Basic Configuration –Basic Configuration , Miscellaneous VRRP Stuff , Useful Examples advertisement interval, Basic Configuration –Basic Configuration authentication for, Basic Configuration backup routers, VRRP , Basic Configuration –Basic Configuration configuration, Basic Configuration –Basic Configuration group number (VRID), VRRP , Basic Configuration groups, shutting down, Miscellaneous VRRP Stuff master router, VRRP , Basic Configuration –Basic Configuration preemption, Basic Configuration –Basic Configuration , Basic Configuration priorities for groups, Basic Configuration –Basic Configuration serving multiple IP addresses, Basic Configuration tracing, Useful Examples tracking other interfaces, Basic Configuration –Basic Configuration virtual IP (VIP), VRRP , Basic Configuration , Basic Configuration virtual routers, VRRP vrrp shut command, Miscellaneous VRRP Stuff VTY (virtual teletype terminal) interface, Access Lists W website resources, How to Contact Us , Jayshree Ullal , EOS , EOS , Aboot , Aboot , Configuring sFlow , Using Event Monitor , Extending EOS , Configuring and Using CloudVision , Arista Support , Arista Support Aboot commands, Aboot Arista, Jayshree Ullal , EOS , EOS , Arista Support Busybox, Aboot CloudVision, Configuring and Using CloudVision EOS Central, Arista Support EOS extensions, Extending EOS for this book, How to Contact Us sFlowTrend, Configuring sFlow SQlite, Using Event Monitor wget command, Aboot, Aboot , Aboot –Aboot write erase command, SysDB Z Zero-Touch Provisioning, ZTP (see ZTP) zerotouch cancel command, Cancelling ZTP zerotouch disable command, Disabling ZTP zerotouch-config file, Aboot , Disabling ZTP ZTP (Zero-Touch Provisioning), ZTP , Zero-Touch Provisioning –Zero-Touch Provisioning , Zero-Touch Provisioning , Cancelling ZTP –Cancelling ZTP , Disabling ZTP –Disabling ZTP , Disabling ZTP , Booting with ZTP –Booting with ZTP , Booting with ZTP –Booting with ZTP availability of, Zero-Touch Provisioning booting with, Booting with ZTP –Booting with ZTP cancelling, Cancelling ZTP –Cancelling ZTP configuration, Booting with ZTP –Booting with ZTP disabling, Disabling ZTP –Disabling ZTP enabling after disabling, Disabling ZTP
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