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No Questions Asked!

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Forum Replies

  1. Hi Srini,

    I used routers just to have some “customer” device that could do tagging for me in this example. In a real network, you would use customer switches instead.

    The tag on the left side is the tag from the ISP, I should probably have used the same color for the customer tag.


  2. Hello Abhishek

    In order to clearly answer your question, you’ll have to understand the following terminology:

    MTU - Maximum transmission unit - this is the largest physical packet size measured in bytes that a network can transmit. Any packet larger than this MTU is divided or fragmented into smaller packets before transmission. The standard MTU on an Ethernet network is 1500 bytes plus the size of the L2 header and frame check sequence which is an additional 18 bytes. So standard MTU size for Ethernet is 1518.

    Jumbo frame - A frame that is larger than the s

    ... Continue reading in our forum

  3. Hi Laz,
    You are very welcome. Thank you too!

  4. You are right Adrian, thanks for notifying us. I just fixed it.

  5. Hi Rene

    I think i could not ask my question clearly, i am talking about double tag, suppose there ar two customers A (vlan 10) and B (vlan 10), and also we have a metro ethernet switch, will both A and B will be tagged by he same VLAN in CX network ? like vlan 30 , are CX vlans visible in ISP networks ?

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