• More shenanigans: vPC, VXLAN, and ACI... just for fun!

    Inmy last installment of "...just for fun!" we began our exploration into virtual port channels.  First, we looked at a vPC pair in complete isolation, and then a vPC pair being used to ingress into a FabricPath ...
    Micheline
    last modified by Micheline
  • Switch Config for H/A Firewalls

    Hey. I'm trying to lab up a scenario where I have a H/A pair of Cisco ASA's that connect to a pair of downstream switches for H/A. I want to run my inside and outside interfaces through the two switches. I thought all...
    Chaz (CCNAx2 / CCNP)
    last modified by Chaz (CCNAx2 / CCNP)
  • What do you mean by the backplane speed of a switch ?

    Recently came up with an article that explains chassis based larger switches have a higher backplane speed when we compare them with standard fixed size switches. Was wondering what actually meant by this.
    Arosh
    last modified by Arosh
  • CCNA Cloud - Passable without access to any real gear?

    Has anybody here completed this certification relying only on books/videos/whitepapers etc?  About how much of CLDADM can be done via dCloud?
    Steven Davidson
    created by Steven Davidson
  • IBGP configuration question

    This is in relation to this link: https://www.sacosbebes.com?page=thread/118759http://   Hi mail@mail-in.dk, modestas@ragai-ir-kanopos.eu, Jeffrey_darling15@yahoo.com, sarahanandmodestas@ragai-ir-kanopos.euma...
    bluephoenix71
    last modified by bluephoenix71
  • SWITCH Security

    So as stated in the OCG one way to VLAN hop is to double tag a frames first tag is the Native VLAN and the second is the goal VLAN the hacker wishes to be in. This attack works due to the switch taking off the native ...
    Jeffrey
    last modified by Jeffrey
  • CCDP certification path if you already have your CCNP route switch.

    If I have my CCNP how many exams do I need to take to acquire my CCDP. I thought it was just the ARCH 300-320 cert base on the output below ?   Exams & Recommended TrainingRequired Exam(s) Recommended Trainin...
    Howard
    last modified by Howard
  • SDN

    Can someone please elaborate on the following topic.   5.5 Describe network programmability in enterprise network architecture 5.5.a Function of a controller 5.5.b Separation of control plane and data plane 5...
    Eugene88
    last modified by Eugene88
  • NHRP issue

    Hii Guys,   I'm currently practicing DMVPN but facing some issue. My Spoke routers does not generate any NHRP request for the other spoke router. Don't Know why.... I'm pasting the config of hub router and sp...
    Sourabh Saboo
    last modified by Sourabh Saboo
  • Introduction to Networking

    For anyone just starting out, I've created a small 'Introduction to Networking' video.   It's meant to help anyone who's completely new to networking get started. A second part is in the works, which will cover ...
    Luke
    last modified by Luke
  • Passed 300-206

    Hello,   I passed 300-206 yesterday, albeit on the third attempt.  Quite a tricky exam for me, as obviously there's no official certification guide and I didn't do the training either.   Anyway, in ca...
    Adrian
    last modified by Adrian
  • passed SECOPS Exam Cohort5

    after i've passed my Exam today i'd like to thank Cisco for giving me this opportunity and the Mentors for the awesome job they did in the mentoring session.   Good luck to all of you who still have to complete ...
    Thomas
    last modified by Thomas
  • ccna dc lab

    Hello- I am about to start on my ccna dc cert, my question is what lab setup is being used for this?  GNS3, Virl? Thanks br8888
    br8888
    last modified by br8888
  • IOSvL2

    Hi guys,   thank you for a great resource!   I've got a couple of IOSvL2s in my lab and wanted to use storm-control to block bcast and mcast for nbma labbing in ospf... Seems it is not supported for the ve...
    Kim
    last modified by Kim
  • Packet Tracer 7.1.1 with Ubuntu 16.04 and higher

    I have Packet Tracer on Windows but I wanted to try it on my Linux workstation.   I could not get it to start and found an answer on Stack Exchange: Cisco Packet Tracer 7.1 won't start - Ask Ubuntu   In s...
    Gregory
    last modified by Gregory
  • Internet line vs leased line vs frame relay vs atm vs mpls

    Why do we look for MPLS or frame relay when IPSec can serve the purpose for it ?
    Girish
    last modified by Girish
  • OSPF TERMS

    Could someone explain to me what is the difference between terms below:   NEIGHBOR TABLE and ADJACENCY DATABASE TOPOLOGY TABLE and LSDB ROUTING TABLE and FORWARDING DATABASE   Tnx,
    mmiklauz
    last modified by mmiklauz
  • Passed with 944/860

    2nd attempted but I passed.   I feel like I got the same questions as last time, just mixed up really well. My last score was 735 and well its obvious what my new score is.   Anyway, I'm going to start CC...
    Mikey
    last modified by Mikey
  • Migrate from static to OSPF multi-area

    Hi all,   I have a mid-size network. Core switch 3 Distribution switches many Access Switches.   currntly we're using static route and we want to migrate to OSPF multi-area. To avoid any down time how ...
    Khalifa
    last modified by Khalifa
  • CCDA Training Time

    Hi all,   I'm looking for a bit of advice. My CCNA expires in September 2019 which gives me nearly 18 months to complete my CCDA training and pass the exam to revalidate. In terms of time to work on my CCDA I'm ...
    Ed Darby
    last modified by Ed Darby