Index

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 EOSUsing EOS, Using EOSUsing EOS

A

Aboot, Upgrading EOS, AbootAboot, Aboot, Aboot, Aboot, Aboot, AbootAboot
boot-config required for, Upgrading EOS, Aboot, AbootAboot
commands for, list of, Aboot
halting system, conditions for, Aboot
shell for, entering, Aboot
ACL (Access-Control List), Configuring MLAG, Access ListsAccess Lists, Access Lists, Access Lists, Access Lists, Access Lists, Access Lists, Basic IP ACLsBasic IP ACLs, Basic IP ACLs, Basic IP ACLs, Advanced IP ACLsAdvanced IP ACLs, Advanced IP ACLsAdvanced IP ACLs, MAC ACLsMAC ACLs, Applying ACLsApplying ACLs, Applying ACLsApplying ACLs
applying, Applying ACLsApplying ACLs
CIDR masks, Basic IP ACLs
configuration, Basic IP ACLsBasic IP ACLs
control plane ACL, Configuring MLAG, Access Lists, Access Lists, Access Lists, Advanced IP ACLsAdvanced IP ACLs, Applying ACLsApplying ACLs
filters, Advanced IP ACLsAdvanced IP ACLs
inverse masks, Basic IP ACLs
MAC-based ACL, Access Lists, MAC ACLsMAC 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 ConfigurationBasic 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, BuffersBuffers
Arista, A Brief History of AristaJayshree Ullal, Arista DeliversCloudVision, Python, Python, Routing, Arista Support
history of, A Brief History of AristaJayshree Ullal
support from, Python, Python, Routing, Arista Support
switches, features of, Arista DeliversCloudVision
(see also switches)
Arista 7048T, Buffers, Arista Product ASICs, So What?
Arista 7048T-A, Arista Product ASICs, One-Gigabit SwitchesArista 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-647050S-64
Arista 7050T-4S, Arista Product ASICs
Arista 7050T-52, Arista Product ASICs, 7050T-527050T-52
Arista 7050T-64, Arista Product ASICs, 7050T-64
Arista 7124FX, Arista Product ASICs, Arista 7124FXArista 7124FX
Arista 7124S, Arista Product ASICs
Arista 7124SX, Arista Product ASICs, Arista 7124SXArista 7124SX, So What?
Arista 7148-4S, Arista Product ASICs
Arista 7148SX, Arista Product ASICs, 7148SX7148SX
Arista 7500, Fabric Speed
Arista 7504, Arista Product ASICs, Arista 7500 Series7504
Arista 7508, Arista Product ASICs, Arista 7500 SeriesArista 7500 Series, 7508
Arista FM4000-based switches, Arista Product ASICs, Configuring DefaultsFM4000 and Trident-based switches
Arista Petra-based switches, Arista Product ASICs, Configuring Defaults, Petra-based switchesPetra-based switches
Arista Product Quick Reference Guide, EOS
Arista Trident-based switches, Arista Product ASICs, Configuring DefaultsFM4000 and Trident-based switches
ARP (Address Resolution Protocol), VARP, ARPARP
events, monitoring, ARPARP
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 SpeedFabric Speed, Fabric Speed
backup routers, VRRP, VRRP, Basic ConfigurationBasic Configuration
bandwidth percent command, Prioritizing tx-queues
bang (!), preceding comments, RIP
bash command, Bash, Bash
bash shell, Bash, Bash, BashBash, Bash, Bash, Bash, Bash, UnixUnix, 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, UnixUnix
Bechtolsheim, Andy, Andy BechtolsheimAndy Bechtolsheim
BGP (Border Gateway Protocol), BGPBGP, Tracing Agents (Debugging), Useful Examples
configuration, BGPBGP
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, AbootAboot, 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, BuffersBuffers, Buffers, BuffersBuffers, LANZ
latency increased by, Buffers
performance of, analyzing, LANZ (see LANZ)
size of, BuffersBuffers
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 WeirdnessCDP Weirdness
CEF (Cisco Express Forwarding), LANZ
CFI (Canonial Format Indicator), Quality of Service
channel-group command, Configuring MLAG
chassis switches, Fabric Speed, EOS, Chassis Switches7508
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 WeirdnessCDP 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, PythonPython
altering commands with Python, PythonPython
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, BashBash
CLI Scheduler, Marketing Glossary
CloudVision, CloudVision, CloudVisionConfiguring and Using CloudVision, DescriptionDescription, Configuring and Using CloudVisionConfiguring and Using CloudVision, Configuring and Using CloudVision, Configuring and Using CloudVision, Configuring and Using CloudVision, Configuring and Using CloudVisionConfiguring and Using CloudVision, Configuring and Using CloudVision, GroupsGroups, GroupsGroups, Monitoring CloudVisionMonitoring CloudVision
adding switch to contact list, Configuring and Using CloudVision
configuration, Configuring and Using CloudVisionConfiguring and Using CloudVision
downloading, Configuring and Using CloudVision
group chats with, GroupsGroups
groups for, Configuring and Using CloudVision, GroupsGroups
monitoring, Monitoring CloudVisionMonitoring CloudVision
security issues regarding, DescriptionDescription
sending commands with IM, Configuring and Using CloudVisionConfiguring 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, BuffersBuffers
commands, Using EOS, Using EOS, Using EOS, Using EOSUsing EOS, Using EOSUsing EOS, Using EOS, Email, Scheduler, CloudVision
autocompletion of, Using EOS
list of, displaying, Using EOS
output from, emailing, Email (see email)
piping, Using EOSUsing EOS, Using EOSUsing 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 ACLsAdvanced IP ACLs, Applying ACLsApplying 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 TrustPetra-based switches
cp command, Aboot, Aboot
CPU utilization, viewing, LANZ, Performance MonitoringPerformance Monitoring
CST (Common Spanning Tree), MST Terminology
custom silicon, The DebateThe Debate, Arista Product ASICs

D

data center bridging, Data Center Networking
data center requirements, The Needs of a Data CenterThe 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 ZTPBooting 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 TrustPetra-based switches
Duda, Ken, Ken DudaKen Duda, Python
duplex statement, There is no duplex statement in EOSThere 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, EmailEmail, EmailEmail, Email, Email, Email, Email, EmailEmail, EmailEmail, Email
authentication, Email
configuring, EmailEmail
debug information, EmailEmail
email server, Email
from email address, Email
sending, EmailEmail, 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 EOSUpgrading EOS, Upgrading EOSUpgrading EOS, Aboot, EOSEOS, Extending EOSExtending 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 EOSExtending 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, EOSEOS
upgrading, Upgrading EOSUpgrading EOS
version of, displaying, Upgrading EOSUpgrading 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 MonitorRoute, Using Event Monitor, ARPARP, ARP, MACMAC, MAC, RouteRoute, Advanced UsageAdvanced Usage, Configuring Event MonitorConfiguring Event Monitor, Configuring Event MonitorConfiguring Event Monitor, Configuring Event Monitor, Configuring Event Monitor, Configuring Event Monitor, Marketing Glossary
in AEM, Marketing Glossary
ARP events, ARPARP
backing up logs for, Configuring Event MonitorConfiguring Event Monitor
configuration, Configuring Event MonitorConfiguring Event Monitor
disabling, Configuring Event Monitor
enabling, Configuring Event Monitor
MAC events, MACMAC
maximum buffer size for, Configuring Event Monitor
routing table events, RouteRoute
sqlite option, Using Event Monitor, ARP, MAC, Advanced UsageAdvanced Usage
Event Scheduler, Event Scheduler (see Scheduler)
event-handler, Event Handler, event-handlerConfiguration, Description, DescriptionDescription, Description, Description, ConfigurationConfiguration, Configuration, Configuration, Configuration, Marketing Glossary
actions, Description, Description, Configuration
in AEM, Marketing Glossary
configuration, ConfigurationConfiguration
delay, Description
information about, viewing, Configuration
triggers, DescriptionDescription, 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 EOSExtending EOS, Extending EOSExtending EOS, Extending EOS, Extending EOS, Extending EOS, Extending EOS
adding, Extending EOS
list of, Extending EOSExtending EOS, Extending EOS
making permanent, Extending EOS
removing, Extending EOS

F

fabric speed, Fabric SpeedFabric 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, VRRPMiscellaneous VRRP Stuff, VARPConfiguring VARP
VARP for, VARPConfiguring VARP
VRRP for, VRRPMiscellaneous 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, BuffersBuffers
fullrecover command, AbootAboot, 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, GroupsGroups
group number, VRRP, VRRP, Basic Configuration

H

.help command, SQLite, Advanced Usage
HOL (Head-of-Line) blocking, Buffers
HSRP (Hot Standby Router Protocol), First Hop Redundancy

I

ifconfig command, Bash, Unix
ifconfig command, Aboot, Aboot, Aboot, Aboot
IM (instant messaging), sending commands using, CloudVision (see CloudVision)
include command, Using EOSUsing 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

K

kill command, SysDB
killall command, SysDB

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, LANZLANZ, LANZ, LANZ, LANZLANZ, LANZ, LANZ, LANZLANZ, 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, LANZLANZ
streaming output from, LANZLANZ
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), LLDPLLDP
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, MACMAC
MACL (MAC-based ACL), Access Lists, MAC ACLsMAC ACLs
management VRF, Management VRFManagement VRF
management xmpp command, Configuring and Using CloudVision
manual load balancing, Basic Configuration
mapping, QoS, Quality of Service, MappingMapping
master router, VRRP, VRRP, Basic ConfigurationBasic Configuration
merchant silicon, The DebateArista and Merchant Silicon, Arista Product ASICsArista Product ASICs
microbursting, LANZ, BuffersBuffers
MLAG (Multichassis Link Aggregation), MLAG, MLAGMLAG Overview, Configuring MLAGConfiguring MLAG, Configuring MLAG, MLAG ISSUMLAG ISSU, Spanning Tree and MLAGSpanning Tree and MLAG
configuring, Configuring MLAGConfiguring MLAG
STP with, Spanning Tree and MLAGSpanning Tree and MLAG
upgrading, Configuring MLAG, MLAG ISSUMLAG ISSU
MLAG Domain, MLAG Overview, Configuring MLAG, Configuring MLAG
MLAG ISSU (In-Service Software Upgrade), Configuring MLAG, MLAG ISSUMLAG ISSU
/mnt/flash directory, Python, Aboot, Aboot, Configuring Event Monitor
more command, Using EOS
more command, Aboot, Aboot
MST (Multiple Spanning Tree), MSTMST Terminology, MST, MST, MST, MST Terminology, MST TerminologyMST Terminology
boundary ports of, MST
instances of, MST, MST, MST Terminology
regions of, MST TerminologyMST 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, AbootAboot, 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 SpeedFabric Speed
nz command modifier, Using EOSUsing 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 SwitchesArista 7048T-A
onIntf trigger, event-handler, Description
Open Shortest Path First protocol, OSPF (see OSPF protocol)
optics, OpticsOptics
OSPF (Open Shortest Path First) protocol, OSPFOSPF, Tracing Agents (Debugging)Tracing Agents (Debugging), Useful Examples
configuration, OSPFOSPF
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, AbootAboot
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 MonitoringPerformance Monitoring
permit command, Basic IP ACLs, Advanced IP ACLs
pipes, Using EOS, Using EOSUsing 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 ConfigurationBasic Configuration, Basic Configuration
Priority Code Point (PCP), Quality of Service
Privileged EXEC mode, Using EOS
process manager, SysDBSysDB
processes, SysDBSysDB, SysDB, SysDBSysDB, SysDB, Scheduler
(see also show process command)
crashing, contained effects of, SysDBSysDB
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, PythonPython

R

RACL (Router-based ACL), Access Lists
Rapid-PVST (RPVST), Spanning Tree Protocol, MST
rc.eos script, PythonPython
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 TerminologyMST 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), RIPRIP, RIP, Tracing Agents (Debugging), Useful Examples, Some routing protocols are shut down by default
configuration, RIPRIP
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, RoutingSo What?, Routing, Routing, Routing, RIPRIP, OSPFOSPF, BGPBGP, So What?So What?, So What?, Some routing protocols are shut down by default
BGP, BGPBGP
dynamic, license required for, Routing
enabling, Routing
OSPF, OSPFOSPF
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, RIPRIP
single process for, So What?
routing information protocol, RIP (see RIP)
routing table events, monitoring, RouteRoute
RPMs, extending EOS using, Extending EOSExtending 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, SchedulerScheduler, Scheduler, Scheduler
Scheduler, Event Scheduler, Aboot, SchedulerScheduler, 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, sFlowShowing sFlow Information, sFlow, sFlow, sFlow, sFlow, sFlow, Configuring sFlowConfiguring sFlow, Configuring sFlow, Configuring sFlow, Configuring sFlow, Configuring sFlow, Configuring sFlow, Configuring sFlow, Configuring sFlow, Showing sFlow InformationShowing sFlow Information
agent, sFlow, Configuring sFlow
collector, sFlow, Configuring sFlow
configuration, Configuring sFlowConfiguring 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 InformationShowing 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 EOSUsing 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 MonitoringPerformance 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, LANZLANZ
show queue-monitor length csv command, LANZ
show queue-monitor length status command, LANZ
show run command, SysDB, Using EOSUsing 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 EOSUpgrading 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 DebateThe Debate, The DebateArista and Merchant Silicon, Arista Product ASICs, Arista Product ASICsArista Product ASICs
custom silicon, The DebateThe Debate, Arista Product ASICs
merchant silicon, The DebateArista and Merchant Silicon, Arista Product ASICsArista 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 UsageAdvanced 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 MLAGSpanning Tree and MLAG, Useful Examples
disabling, Configuring MLAG
loops blocked by, MLAG Overview
MLAG with, Spanning Tree and MLAGSpanning 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, AbootAboot
swiinfo command, Aboot, Aboot
switch fabric, BuffersBuffers, Fabric SpeedFabric Speed
description of, BuffersBuffers
speed of, Fabric SpeedFabric Speed
switch-group command, XMPP, Groups
switches, The Needs of a Data CenterThe Needs of a Data Center, The Needs of a Data Center, The Needs of a Data Center, Arista DeliversCloudVision, Power, Power, Airflow, OpticsOptics, EOS, EOS, Top-of-Rack Switches7050Q-16, Chassis Switches7508, Upgrading EOS
airflow for, Airflow
chassis switches, EOS, Chassis Switches7508
fans for, Power, Upgrading EOS
features of, Arista DeliversCloudVision
optics for, OpticsOptics
power supplies for, Power
requirements for, The Needs of a Data CenterThe 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 Switches7050Q-16
SysDB, SysDB, SysDBSysDB, SysDBSysDB, SysDB, SysDBSysDB, SysDBSysDB
crashing, effects of, SysDBSysDB
killing, SysDBSysDB
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 EOSUsing EOS
TCP dump, TCP DumpEOS, UnixUnix, EOSEOS
running from bash, UnixUnix
running in EOS, EOSEOS
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 Series7050Q-16
TLS (Transport Layer Security), Email
top command, Performance MonitoringPerformance Monitoring
top-of-rack switches, EOS, Top-of-Rack Switches7050Q-16, One-Gigabit SwitchesArista 7048T-A, Ten-Gigabit Switches: 7100 Series7050Q-16
one-gigabit switches, One-Gigabit SwitchesArista 7048T-A
ten-gigabit switches, Ten-Gigabit Switches: 7100 Series7050Q-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, MappingMapping
Transport Layer Security (TLS), Email
triggers, event-handler, DescriptionDescription, Configuration
trunk encapsulation, Configuring MLAG
trunk group command, Configuring MLAG, Trunk groups, Trunk groups
trunk groups, Trunk groupsTrunk groups
trust methods, QoS, Quality of ServicePetra-based switches
tx-queue command, Shaping tx-queues
tx-queues, Mapping, Shaping tx-queues, Prioritizing tx-queuesPrioritizing tx-queues
mapping traffic classes to, Mapping
prioritizing, Prioritizing tx-queuesPrioritizing tx-queues
shaping, Shaping tx-queues

U

udhcpc command, Aboot, Aboot
Ullal, Jayshree, Jayshree UllalJayshree 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, VARPConfiguring VARP, VARP, Configuring VARPConfiguring VARP, Configuring VARP, Configuring VARP, Configuring VARP, Configuring VARP
configuration, Configuring VARPConfiguring 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 EOSUsing EOS, Using EOSUsing 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 OverviewConfiguring MLAG, MST, MST, MST Terminology, Why Pruning VLANs Can Be BadWhy Pruning VLANs Can Be Bad, VM Tracer, Trunk groupsTrunk groups
adding, moving, deleting, VM Tracer (see VM Tracer)
for MLAG peer-to-peer communication, MLAG OverviewConfiguring MLAG
MST for, MST, MST, MST Terminology
pruning, Why Pruning VLANs Can Be BadWhy Pruning VLANs Can Be Bad
trunk group of, Trunk groupsTrunk groups
VLAN Identifier (VID), Quality of Service
VM Tracer, VM Tracer, VM TracerVM Tracer, VM TracerVM Tracer, VM Tracer, VM TracerVM Tracer, VM TracerVM Tracer
changes made to VLANs, VM TracerVM Tracer
configuration, VM TracerVM Tracer
limiting VLANs changed by, VM TracerVM 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 VRFManagement VRF
vrf definition command, Management VRF
VRID (virtual router identifier), VRRP, Basic Configuration
VRRP (Virtual Router Redundancy Protocol), VRRPMiscellaneous VRRP Stuff, VRRP, VRRP, VRRP, VRRP, VRRP, Basic ConfigurationBasic Configuration, Basic Configuration, Basic Configuration, Basic ConfigurationBasic Configuration, Basic ConfigurationBasic Configuration, Basic ConfigurationBasic Configuration, Basic ConfigurationBasic Configuration, Basic ConfigurationBasic Configuration, Basic Configuration, Basic Configuration, Basic Configuration, Basic Configuration, Basic ConfigurationBasic Configuration, Miscellaneous VRRP Stuff, Useful Examples
advertisement interval, Basic ConfigurationBasic Configuration
authentication for, Basic Configuration
backup routers, VRRP, Basic ConfigurationBasic Configuration
configuration, Basic ConfigurationBasic Configuration
group number (VRID), VRRP, Basic Configuration
groups, shutting down, Miscellaneous VRRP Stuff
master router, VRRP, Basic ConfigurationBasic Configuration
preemption, Basic ConfigurationBasic Configuration, Basic Configuration
priorities for groups, Basic ConfigurationBasic Configuration
serving multiple IP addresses, Basic Configuration
tracing, Useful Examples
tracking other interfaces, Basic ConfigurationBasic 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

X

XMPP (Extensible Messaging and Presence Protocol), Description, Configuring and Using CloudVisionConfiguring and Using CloudVision
xmpp send command, Monitoring CloudVision
XmppCli command, Monitoring CloudVision

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 ProvisioningZero-Touch Provisioning, Zero-Touch Provisioning, Cancelling ZTPCancelling ZTP, Disabling ZTPDisabling ZTP, Disabling ZTP, Booting with ZTPBooting with ZTP, Booting with ZTPBooting with ZTP
availability of, Zero-Touch Provisioning
booting with, Booting with ZTPBooting with ZTP
cancelling, Cancelling ZTPCancelling ZTP
configuration, Booting with ZTPBooting with ZTP
disabling, Disabling ZTPDisabling ZTP
enabling after disabling, Disabling ZTP
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