Category Archives: Data Center

vSphere 6.7 VMUG Roadshow 2019 London UK

LonVMUG_LogoTuesday, September 10th

Hilton London Kensington – 179-199 Holland Park Avenue

London, W11 4UL

Google Maps

In collaboration with VMware, VMUG is bringing back an opportunity for members to participate in a technical roadshow focused on vSphere 6.7. This event is complimentary to all VMUG members, so make sure you register today!

VMware vSphere is the foundation of VMware’s Software Defined Datacenter and Cloud vision. No matter where you are in your digital transformation journey, getting current on VMware vSphere can best position you to gain maximum value from your VMware SDDC solution. Whether you are implementing new technologies or are looking at hybrid cloud or Bi-modal IT, upgrading vSphere can help you get there faster.

Kev Johnson will be the event facilitator

This is a good opportunity to hear back from peers, networking  and be more close with the VMware community.

Dell Networking OS10 using GNS3

Dell EMC Networking OS10 combines the best of Linux, open computing, and networking to advance open networking disaggregation. OS10 is a transformational software platform which provides networking hardware abstraction through a common set of APIs.
You can enable consistency across compute and network resources for your system operator (sysops) groups that require server-like manageability, as well as leverage your existing network con€guration.
You can simulate OS10 devices using OS10 VM appliances. The OS10 VM appliances execute the same software deployed on OS10-enabled hardware devices, with the exception of the hardware abstraction layer. The OS10 VM hardware abstraction layer simulates hardware devices in a VM environment.

All CLI commands as well as RESTCONF and SNMP interfaces are available in the OS10 simulation environment. You can build sandbox environments to learn open networking concepts, and prototype network operations and scripts risk-free.

Dell OS10

OS10 simulation features

All OS10 CLI commands and north-bound interfaces (RESTCONF, SNMP) are available including:

  • System management (SSH, AAA, DHCP, and so on)
  • Management port

L3 data plane and control plane (using Linux functionality)

Partial support for L2 data plane and control plane (using Linux functionality):

  • LACP
  • VLAN
  • LLDP
  • VLT

OS10 feature limitations

  • No ACL or QoS support (NPU is not available) — ACL and QoS CLI commands are available (but have no effect on trafc)
  • Limited L2 functionality (NPU is not available on simulator) — no spanning-tree control plane functionality
  • No breakout mode for simulated ports
  • Defaults to S6000-ON hardware platform simulation

Requirements

  • Workstation or laptop with 16 GB RAM or larger recommended
  • 64-bit x86 CPU with 2 GHz or faster core speed (dual-core or larger recommended)
  • SDD with 64 GB available space
  • Virtualization environment — you can use either Windows, Linux, or VMware ESXi as a host system for the GNS3 Server VM environment
  • VMware ESXi server recommended for large network simulation

Download

https://cld.pt/dl/download/fff9c764-59cb-4521-8bd9-e9eeb38519c8/os10_virtualization_10.4.1.0v.zip

https://cld.pt/dl/download/2f61626b-f1fe-4415-8825-4357823e5ed8/os10_virtualization_guide.pdf

 

 

Cisco Live Barcelona 2018 here i GO!

This is going to be my 2nd Cisco Live, and i’m very excited because i’ve learned a lot over the past 8 years and i’m in a different professional stage at the moment that 8 years ago it was just a dream. I’m a strong believer that these events are important to grow your “networking” and keep you updated on new trends/technology.

So how my calendar looks like so far?

  • CCDE Techtorial and Exam
  • Firepower
  • ISE
  • Multi-Cloud
  • SD-X
  • DevOps

If you are are around, lets grab a beer and crack some of the topics above

ACI anywhere with Virtual Edge (AVE)

The goal of extending ACI anywhere is becoming real with ACI Virtual Edge (EVE), the next generation of the Application Virtual Switch (AVS) for ACI environments. this should be available until the end of the year, AVE is hypervisor independent, offering consistent policy control across multiple hypervisors. For now the only target hypervisor is VMware.

AVS still supported but seems to be time for a change!

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Don’t let your VMware VCP lapse

A VMware email come through about my VCP, 3 years it’s too short! No way i will let this expire. So what are the options?

(1) Upgrade to VCAP
(2) Update with the latest VCP exam
(3) Certify in a different technology track
At this point i will not move forwards to VCAP, just renew with VCP 6.5. See what’s New on 6.0 and 6.5 and do some labs. After that it’s time to schedule the exam :)

F5 REST API Resources

These are for me the best two resources if you want embrace Dev/Net/Sec Ops using F5 iControl

 

Just a sneak peak of what you can find:

  • Mesos Marathon Container Integration
  • Kubernetes Container Integration
  • RedHat OpenShift Container Integration
  • OpenStack Cloud Integration
  • F5 Application Services Proxy
  • Dockers

Really recommended

http://clouddocs.f5.com/

https://devcentral.f5.com/wiki/iControl.HomePage.ashx

SFP validation failed on Nexus

If you come across to an issue like this you are about to fix before that you think. After plug in SFP (1 gig copper) on a SFP+ port i got an error saying “SFP validation failed”.

N3K# sh int e1/45
Ethernet1/45 is down (SFP validation failed)
Dedicated Interface
Hardware: 100/1000/10000/40000 Ethernet, address: 00d7.8fa9.34b4 (bia 00d7.8fa
9.34b4)
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
Full-duplex, 10 Gb/s, media type is 1G
Beacon is turned off
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
EtherType is 0x8100
Last link flapped never
Last clearing of “show interface” counters never
0 interface resets
Load-Interval #1: 30 seconds
30 seconds input rate 0 bits/sec, 0 packets/sec
30 seconds output rate 0 bits/sec, 0 packets/sec
Load-Interval #2: 5 minute (300 seconds)
input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

So we have to force the interface speed like old days.

N3K(config)# interface Ethernet1/45
N3K(config-if)# speed 1000
N3K(config-if)# no shut

Plugin the cable and done!

N3K(config-if)# show int e1/45
Ethernet1/45 is down (Link not connected)
Dedicated Interface
Hardware: 100/1000/10000/40000 Ethernet, address: 00d7.8fa9.34b4 (bia 00d7.8fa
9.34b4)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
Full-duplex, 1000 Mb/s, media type is 1G

Next-Gen SAN reaching 32Gbps

Cisco MDS still evolving as a platform, and Cisco announced technology innovations for next-generation storage networking, giving 32Gb fibre channel performance across a unified MDS storage director and UCS. Cisco storage solutions can help the network adapt to new storage trends such as flash, NVMe, and converged infrastructure workloads.

You can see here the full announcement.