VCP-NV 610 passed

VCP610nv

On my second shot November 27th I passed the VCP-NV 610 exam. The test was all multiple choice and tested my knowledge of NSX in all aspects. For this test I walked in and took it the first time not expecting much. I failed by a lot. I had to go back and study things I was weak on. For my production / lab environments I focused a lot on the routing aspect of NSX and not enough on all the other services because routing is generally what I felt most comfortable with. Once I went back and made sure I understood all concepts of NSX I passed the exam on the second try.

To be honest the exam is not structured very well. There were a few questions that seemed like they were unrelated to the entire blue print. It is a good think I did not need high marks to pass the exam. Otherwise, if someone had some hands one experience with NSX ie the hands on labs or home lab it would be a easy pass. I would recommend this test to all my network friends as if you have a valid CCNA you do not need the normal VMware class to get the certification.

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Comments

  • iain  On July 23, 2015 at 11:28 am

    Question for you. I’m currently working on a project to deploy NSX for our university. I’ve read through the NSX design guide and found it to be a bit too vague when it comes to information regarding how to achieve high availability with fast single packet loss (1 sec?) convergence.

    I’ve tested several different ESG routing designs thus far.

    1.) ESG Active/Standby HA – failover is too slow (10) seconds?

    2.) (3) ESGs with ECMP with OSPF Area0 to Core and Area51 NSSA (VXLANs on DLR) – failover on ESG 1 and 2 are very fast single packet lost. However, restarting ESG 3 results in a very long (many minutes) outage due to issue with the NSSA type 7 to type 5 translation only being done on the ESG with the highest IP.

    Furthermore I suspect that OSPF may present additional challenges when it comes to protecting the core from receiving only trusted prefixes advertised from my ESGs. Not sure how this can be accomplished with OSPF.

    2.) (3) ESGs with ECMP running iBGP peering with Core and OSPF Area 0 peering with DLR. My BGP knowledge is admittedly somewhat limited but I tried every combination of tweaks and still couldn’t get better then about 2 minutes to converge after the failure of an ESG. I’m inclined to believe that BGP is not the best option for achieving fast convergence with NSX.

    Any input you might be able to provide would be greatly appreciated.

    Thanks!

    • danielhertzberg  On July 23, 2015 at 7:58 pm

      We can talk a long time about this the best thing to do is to email me and we can get on google hangouts etc..burnyd@gmail.com

      1.) Failover is more like 30 to 45 seconds Even playing with routing protocol timers.

      2.) You are going to have to show me a topology of some sort. Generally the best thing to do is lower the timers to 1 3 because otherwise the default bgp timers may have you wait up until 180 seconds. The best setup is bgp everywhere there is no need for ospf. Just adjust the bgp timers.

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