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Forum Replies

  1. I have an interesting question - what happens if you have multiple VLANs running and you want to trunk all of them instead of just 1 VLAN? :crab:

  2. Hi Chris,

    This is no problem.


    interface GigabitEthernet0/1.100
     encapsulation dot1Q 100
     ip address


    interface GigabitEthernet0/1.100
     encapsulation dot1Q 100
     ip address

    And a ping:

    Type escape sequence to abort.
    Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds:
    Success rate is 100 percent (5/5), round-trip min/avg/max = 8/9/12 ms


  3. Hello Kyi

    Unfortunately L2TPv3 is a point to point technology. However, you can create multiple point to point L2TPv3 connections to achieve a similar result.

    I hope this has been helpful!


  4. Hi Prashant,

    I just added something that explains MPLS/VPLS basics to 4.1.h.

    About OTV, In the Cisco Press book, there are only about 9 lines about it so it’s a minor topic for R&S written. That makes sense since it’s a DC topic. I don’t have a full lesson for this yet.

    OTV (Overlay Transport Virtualization) is an overlay network where we transport L2 Ethernet over an L3 network. OTV uses IS-IS for adjacencies and to exchange MAC info on the control plane.

    It is supported on IOS XE so I’ll see if I can lab this up.


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