Author Archives: RedNectar Chris Welsh

About RedNectar Chris Welsh

Professional IT Instructor. All things TCP/IP, Cisco or VoIP

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

Posted in Access Policies, ACI, ACI configuration, APIC, Data Center, Data Centre | Tagged , , , , , , | Leave a comment

Configuring In-Band Management for the APIC on Cisco ACI (Part #3-via a L3Out)

Note: This is the third and last in a series of articles – the following is a variation of the first and second in the series. Much of the story is identical – but with a few added extras to configure the L3 out rather … Continue reading

Posted in ACI, ACI API, ACI CLI, ACI configuration, ACI inband management tutorials, ACI Tutorial, APIC, Cisco, Data Center, Data Centre, EPG, In-Band management, inband management, L2 Out, L2out, L3 Out, L3out, Postman, tutorial | Tagged , , , , , , , , , , | 3 Comments

Configuring In-Band Management for the APIC on Cisco ACI (Part #2-via a L2Out)

Note: This is the second in a series of articles – the following is a variation of the first in the series.  In fact, the whole story is almost identical – it is just that this one uses a L2 out … Continue reading

Posted in ACI, ACI API, ACI CLI, ACI configuration, aci inband management, ACI inband management tutorials, ACI Tutorial, APIC, Cisco, Cloud computing, configuration tutorial, Data Center, Data Centre, EPG, In-Band management, inband management, L2 Out, L2out, L3 Out, L3out, Postman, tutorial | Tagged , , , , , , , , , , | 2 Comments

Configuring In-Band Management for the APIC on Cisco ACI (Part #1-via an EPG)

And anyone unlucky enough to try and decipher Cisco’s official documentation for configuring In-Band management on the Cisco APIC or watch their pathetic video are probably feeling frustrated to the point of giving up.

Let me ease your frustration and take you through a journey showing you how to configure In-Band management in ACI. Continue reading

Posted in ACI, ACI API, ACI CLI, ACI configuration, ACI inband management tutorials, ACI Tutorial, APIC, Cisco, configuration tutorial, Data Center, Data Centre, EPG, In-Band management, inband management, L2 Out, L2out, L3 Out, L3out, Postman, tutorial | Tagged , , , , , , , , , , | 3 Comments

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

Posted in Access Policies, ACI, ACI configuration, ACI Tutorial, Cisco | Tagged , , , , , | 4 Comments

Introducing Cisco UCS S-Series

Originally posted on UCSguru.com:
Today Cisco announced the Cisco UCS S Series line of storage servers. Now the more eagle eyed among you may think that the new Cisco UCS S3260 Storage Server looks very much like the Cisco…

Posted in GNS3 WorkBench

Automated Document Revision Information Reference

I went looking for a solution that would automatically update the front cover every time I added a new version number in the Document Revision Information table. Continue reading

Posted in Microsoft Word, MS Word Tips | Tagged , , , , , , , , , , , ,