Tag Archives: ACI

A funny thing happened in the ACI lab today…

I had a Tenant with a statically configured bare metal hosts attached to interface 1/16 on both leaf 101 and leaf 102, but came up with a “invalid-path;invalid-vlan” error on the faults page for the EPG that was being configured … Continue reading

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Cisco ACI Per Port VLAN feature

The customer had already tried configuring the ports, but kept getting a “Configuration
failed for … due to Encap Already Used in Another EPG” error, so I looked to use the Per Port VLAN feature to rescue them. Continue reading

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Cisco ACI Tutorial 4 – All about Access Policies – the new “interface range” command

All about Access Policies – the new “interface range” command Cisco ACI Tutorial – Part 4 Since you no longer have to configure ports on individual switches, but rather configure multiple ports on multiple switches from a central controller, some … Continue reading

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Cisco ACI Tutorial 3 – Sing a new song for sorting server groups and policy

Sing a new song for sorting server groups and policy Cisco ACI Tutorial – Part 3 If you have been responsible for defining groups of servers and devices to which policy can be applied, you have probably used structures called Access … Continue reading

Posted in ACI, ACI configuration, ACI Configuration Tutorial Series#1, ACI Tutorial, Cisco, configuration tutorial, Data Center, Data Centre, Nexus, Nexus 9000, SDN, Software Defined Networking, tutorial | Tagged , , , , , , , , , , , , | 3 Comments

Cisco ACI Tutorial 2 – Goodbye to VLANs. Well… not quite

I almost always avoid using the Wizard steps because Wizards are magical creatures that are particularly good at hiding information. Continue reading

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Cisco ACI Tutorial – A Configuration Guide

Cisco ACI Tutorial – A Configuration Guide Cisco ACI Tutorial – Part 1 Note: This is the first of a series of at least eight blog posts that I plan to publish over the coming weeks. Make sure you follow … Continue reading

Posted in ACI, ACI configuration, ACI Configuration Tutorial Series#1, ACI Tutorial, Cisco, configuration tutorial, Data Center, Data Centre, Nexus, Nexus 9000, SDN, Software Defined Networking, tutorial | Tagged , , , , , , , , , , , , | 3 Comments

Cisco have a new ACI lab on dcould – here’s how to access it

If you sell/buy/use Cisco products, and you want to practice configuring them, then Cisco’s dcloud is a great resource.  And they have just added another ACI lab: Cisco Application Centric Infrastructure with shared Physical Fabric. If you already know about dcloud, … Continue reading

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