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  1. Is it possible to include switches in traceroute hops?

    A layer 2 switch won't show up in a tracert because it's a layer 2 device (a switch) and simply forwards (switches) traffic from one switch port to another based on the layer 2 address of the …

  2. How do I know if I need a layer 3 switch? - Server Fault

    A layer 2 switch is still a layer 2 switch even if it doesn't do VLANs and QOS. A layer 2 switch will pass traffic from port 1 to port 2 without repeating it to every other port.

  3. Why does a VLAN have an IP address? - Server Fault

    Virtual LANs and IP subnets provide independent Layer 2 and Layer 3 constructs that map to one another and this correspondence is useful during the network design process. The IP address …

  4. Which Layer of the OSI model is responsible for encryption in …

    802.11 Protocol The IEEE 802 standards committee defines two separate layers, the Logical Link Control (LLC) and media access control, for the Data-Link layer of the OSI model. The IEEE …

  5. What's the difference between a bridge and a switch?

    It is not about doing it in hardware/software. It is about which layer is being handled and what protocols. A bridge generally works at L2 and converts (bridges) between disparate protocols. …

  6. What is the difference between unicast, anycast, broadcast and ...

    Multicast is a layer 3 feature of IPv4 & IPv6. To use anycast you advertise the same network in multiple spots of the Internet, and rely on shortest-path calculations to funnel clients to your …

  7. Why is it a bad idea to use multiple NAT layers or is it?

    The only real problem with doing multi-layered NATing is that it makes your network topology confusing. If you use multiple layers of NAT then you throw out the symmetric routing between …

  8. group policy - How to enable Network mapping? - Server Fault

    Navigate to Computer Configuration\Administrative Templates\Network\Link-Layer Topology Discovery. Double-click the Turn On Mapper I/O (LLTDIO) Driver policy. Select Enabled, and …

  9. networking - Is a Network Switch IP-Aware? - Server Fault

    A 'multi-layer switch' can be thought of as a switch that contains a router which, unlike traditional routers, routes packets from VLAN to VLAN instead of from one physical interface to another …

  10. Relationship between MTU and NFS rsize/wsize options

    I'm running wireshark and inspecting the TCP packets arriving at the NFS server. Wireshark is showing a packet size max 32626 during an extended write operation (client->server), …