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Forum Replies

  1. Hello Rene what happens if i have more switches for example SW1 -> SW2 -> SW5 -> SW3 -> SW4.
    Will the SW5 switch only need to have vlan 100 and 200 created? and also be in trunk with SW2 and SW3? Like it happens with MPLS VPN Provider Router that only needs to know IGP and dont need to know MP-BGP. I hope you getting my line of thought. Waiting for your reply :slight_smile:

  2. Hi Edwin,

    Yes, in this example there’s still only one link between SW2 and SW3. I’ve only added this example since it’s a topic on the CCIE R&S blueprint.

    Rene

  3. Hi Rene,

    Now the Etherchannel is formed across the Switch 1 and Switch 4, is it the trunk link, suppose i have Vlan 10,20,30,40 on Switch 1, so once etherchannel is formed, all this Vlan will pass through it?? without any extra configuration on Service provider Network??

    Does this link also send VTP message?? can we also make Switch 1 as Vtp server and Switch 4 as VTP client, and after that If we create New Vlan on switch 1 for example Vlan50, will this Vlan will pass over Etherchannel to Switch 4 since switch 4 is VTP client.

  4. Hi Rene,
    I recently viewed Q in Q tunneling for Etherchannel, and i have below query, please advise.

    Now the Etherchannel is formed across the Switch 1 and Switch 4, is it the trunk link, suppose i have Vlan 10,20,30,40 on Switch 1, so once etherchannel is formed, all this Vlan will pass through it?? without any extra configuration on Service provider Network??

    Does this link also send VTP message?? can we also make Switch 1 as Vtp server and Switch 4 as VTP client, and after that If we create New Vlan on switch 1 for example Vlan50, will this Vlan will pass ov

    ... Continue reading in our forum

  5. Hi Rupesh,

    Once the Etherchannel is formed, all VLAN traffic from SW1 and SW4 should pass yes. We are using Q-in-Q tunneling so it should work.

    You can make VTP work by adding l2protocol-tunnel vtp. You can also do this for CDP and STP.

    Rene

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