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  • Is SDN more than OpenFlow? What about overlay networking?

    As techniques like OpenFlow gain a foothold in the physical and virtual infrastructure layers and the multi-tenancy models mature, should OpenFlow conversations be taking place between the provider-controlled layer and the application-controlled layer? How do we - vendors, users, and industry pros...

    CohesiveFT5 pointsBadges:
  • Where can I find network diagrams of Layers 1-7?

    Where can one find Layer 1, Layer 2, Layer 3, etc. network diagrams? It seems that different companies have different ideas of what should be displayed in each diagram. Is there a uniform book with clear samples that one can follow?

    NetworkingATE1,545 pointsBadges:
  • Which VPN would be optimal and scalable for large enterprise network

    I have two core sites and 400+ branch network through Layer-2 Data Connectivity. Which VPN solution will be best for this network   Basic WAN Information: [ULIST type="disc"> [ELEMENT class="MsoNormal">Have two core sites (Different Location)             Data Centre...

    Towhidhassan10 pointsBadges:
  • L2 versus L3 on your WAN

    We are running Comcast Fiber between sites.  I was wondering what the best practice is for using Layer 2 or Layer 3 across the link.  We current use both.  Are there security reasons for doing one versus the other?  Also interested in hearing general thoughts on it.

    ITKE54,665 pointsBadges:
  • layer2 VLAN IP transit

    do you need to have IP transit in order for Layer2 VLAN service to work?

    TigerTea5 pointsBadges:
  • What are the similarities in Cisco and HP ProCurve switching protocols?

    like layer 2 protocol in cisco called VTP , while in hp procurve is called GARP , I need to know the other similarities in both for layer 2,3

    Henno5 pointsBadges:
  • Commands for binding or mapping Layer 2 data to Layer 3 ports

    I have a question concerning Layer 2 and Layer 3 data on the same device. We have a client that will be sending us Layer 2 data streams, but we have to send them to a device that will only take IP multicasts. We will be using a Cisco 7600 Router with a 6700 Switch Card installed. If this is...

    NetworkingATE1,545 pointsBadges:
  • Layer 2 vs. Layer 3 generic routing encapsulation (GRE)

    What is the difference between Layer 2 GRE and Layer 3 GRE?

    NetworkingATE1,545 pointsBadges:
  • Where can I find standard network diagrams?

    Where can one find Layer 1, Layer 2, Layer 3, etc. network diagrams? It seems that different companies have different ideas of what should be displayed in each diagram. Is there a uniform book with clear samples that one can follow?

    NetworkingATE1,545 pointsBadges:
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