We installed ACI software on existing Standalone NXOS switch, discovered it in APIC and now we ...

152 Pages·2017·7.84 MB·English

by  Decca Design

ACI Troubleshooting
Mioljub Jovanovic, Technical Leader Services
BRKACI-2102
Cisco Spark
Questions?
Use Cisco Spark to chat with the
speaker after the session
How
1. Find this session in the Cisco Live Mobile App
2. Click “Join the Discussion”
3. Install Spark or go directly to the space
4. Enter messages/questions in the space
Cisco Spark spaces will be
cs.co/ciscolivebot#BRKACI-2102
available until July 3, 2017.
LINK
© 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public
Agenda
Intro
•
Discovery Troubleshooting
•
Understanding Faults and
•
Health status
Tools
•
Troubleshooting scenarios
•
Conclusion / Q&A
•
Before we dive into the presentation …
Understanding ACI – strongly advised to review following sessions
•BRKACI-1001 -Your first 7 days of ACI
•BRKACI-2004 -How to setup an ACI fabric from scratch
•BRKACI-2820 -How to setup an ACI fabric from scratch -the sequel
•BRKACI-3101 -ACI Under the Hood -How Your Configuration is Deployed
•BRKACI-2345 -Designing and Deploying ACI: Lessons From The Field
•BRKACI-2300 -ACI for VMware Admins
•TECACI-2300 -ACI Troubleshooting Deep Dive
•LTRACI-3225 -Programming theACIFabric
•CAMDEM-1197-ACIApp Center
•LTRACI-2700-Docker integration with CiscoACI
•LABACI-1011 -Introduction to Programming Cisco ACI with Python
•… and more
BRKACI-2102
BRKACI-2102
Most slides are hands-on examples,
Basic to Medium Troubleshooting
not in-detail config guides
BRKACI-2102 © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public 5
How do we want to troubleshoot the network?
Switch Switch Switch …
The ACI way:
1 2 3
One view for the whole Fabric!
Hardware
Cabling
Software
Configuration
OR
Operations
Switching
Routing
…
The way we’re used to troubleshoot legacy …
BRKACI-2102 © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public 6
End Point Search
It’s very simple to find endpoint (host) in the whole fabric
WecansearchEnd Point by
IPv4, IPv6 or MAC address
BRKACI-2102 © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public 7
Visibility and Troubleshooting
0
1 2
0 define session name
3
1 select end point 1
2 select end point 2
Q: Endpoints unable to communicate to each other? We’re unsure
where the impacted hosts and what’s the datapath between them?
3 start
A: NP, We select End Points we’d like to troubleshoot visuallyThe
rest is done by Visibility and Troubleshooting tool
BRKACI-2102 © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public 8
Fabric Discovery troubleshooting
Fabric Initial Setup Script
• Fabric Name
• Fabric ID
• Number of Active Controllers
• POD ID
• Standby Controller
• TEP Address Pool
• Infrastructure VLAN
• BD Multicast Addresses
• Out-of-band Information
• Password
Please make sure all data
you enter is accurate.
Take time to verify input.
Any mistypes could mean
time spent on
troubleshooting later on.
BRKACI-2102 © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Public 10