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by Gary A. Donahue
Arista Warrior, 2nd Edition
Preface
Who Should Read This Book
Conventions Used in This Book
Using Code Examples
O’Reilly Online Learning
How to Contact Us
What’s Changed
A Quick Note About Versions
A Quick Note About Hardware
A Quick Note About Code Examples
Acknowledgments
Content Disclaimer
1. Why Arista?
A Brief History of Arista
Key Players
The Needs of a Data Center
Data Center Networking
The Case for Low Latency
What About the Enterprise?
Network-Based Storage
Automation
Arista Delivers
Hardware
EOS
Bash
SysDB
Automation
CloudVision
Cognitive Campus
My Personal Take
2. Network Designs
Bow Tie MLAG
Leaf-Spine
Spline
VXLAN/Overlay
Universal Spine
AnyCloud
Conclusion
3. Buffers
Conclusion
4. Merchant Silicon
The Debate
Arista and Merchant Silicon
Arista Product ASICs
Conclusion
5. Fabric Speed
Conclusion
6. Arista Products
Switches
Switch Names
Power
Airflow
USB
Rails
High-Speed Ethernet
Nonblocking Architecture
FlexRoute
AlgoMatch
Optics
Software Products
EOS
vEOS
AnyCloud
cEOS
CloudVision
Conclusion
7. SysDB
Conclusion
8. Introduction to EOS
SysDB
Using EOS
Conclusion
9. Configuration Management
Configure Replace
Configuration Checkpoints
Configuration Sessions
Conclusion
10. Upgrading EOS
Conclusion
11. Link Layer Discovery Protocol
Conclusion
12. Bash
Some Quick EOS Bash Tips
Conclusion
13. Zero-Touch Provisioning
ZTP Requirements
Cancelling ZTP
Disabling ZTP
Booting with ZTP
Conclusion
14. Aboot
Password Recovery
Conclusion
15. CloudVision
The CloudVision Family
CloudVision eXchange
CloudVision Portal
Quick Things to Know
CloudVision Portal
What CVP Is
What CVP Isn’t
How CVP Works
Login Page
Devices
Network Provisioning
Events
Cloud Tracer
Topology
Conclusion
16. The EOS Extension System
Conclusion
17. Multiple Spanning Tree Protocol
MST
MST Terminology
Pruning VLANs with MST
Conclusion
18. MLAG
MLAG Overview
Configuring MLAG
Managing MLAG
MLAG Consistency
MLAG Failover
Dual-Primary Detection
Bow Tie MLAG
MLAG In-Service Software Upgrade
Layer 3 with MLAG
Spanning Tree and MLAG
Conclusion
19. First-Hop Redundancy
VRRP
Basic Configuration
Miscellaneous VRRP Stuff
VARP
Configuring VARP
Conclusion
20. FlexRoute
How FlexRoute Works
Simulating 800,000 Routes
Configuring and Using FlexRoute
Conclusion
21. VXLAN
Understanding VXLAN
Configuring VXLAN
VXLAN with Manual Control-Plane
VXLAN with CVX
VXLAN with EVPN
VXLAN with MLAG
Conclusion
22. Email
Conclusion
23. LANZ
Microbursts Visualized
Queue Thresholds
Conclusion
24. Scheduler
Conclusion
25. tcpdump and Advanced Mirroring
tcpdump in Linux
tcpdump in EOS
Advanced Mirroring
Filtering Advanced Mirroring Sessions
Truncation with Advanced Mirroring
Conclusion
26. Tap Aggregation
Tap Aggregation from the Command-Line Interface
The TapAgg GUI
Conclusion
27. Event Manager
Description
on-boot
on-counters
on-intf
on-logging
on-maintenance
on-startup-config
Configuring Event Handlers
Showing the Event Handler Status
Conclusion
28. Event Monitor
Using Event Monitor
A Note About Versions
ARP
MAC
Route
LACP
IGMP Snooping
MRoute
Configuring Event Monitor
Conclusion
29. Troubleshooting
Logs
Performance Monitoring
Tracing Agents (Debugging)
Turn It Off!
CLI Standalone Mode
Arista Support
Conclusion
30. eAPI
GAD’s Rant About the Fear of Scripting
Expect Scripting
Screen Scraping
Python Data Type Primer
Configuring eAPI
eAPI Web Interface
Scripting with eAPI
Conclusion
31. Containers
Why EOS Containers?
cEOS—EOS in a Container
Some Things to Watch Out For
Containers in EOS
Conclusion
32. vEOS
VEOS in VirtualBox
Creating the Base VM
Making a Real Lab Through Cloning
Building the Interswitch Networks
Automating VirtualBox Builds
vEOS in an EOS VM
Conclusion
33. Aristacisms
Arista-Specific Configuration Items
There Is No Duplex Statement in EOS
Watch Out for Those Comments!
Some Routing Protocols Are Shut Down by Default
Trunk Groups
Virtual Routing and Forwarding
Open Flow and Direct Flow
Macro-Segmentation Service
And, Finally...
Conclusion
Index
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Praise for Arista Warrior
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