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  • 1.  Trunk port between EX3400 to Cisco 3750X

    Posted 09-14-2022 05:06
    Need to connect a Juniper EX3400 to a Cisco 3750X.  New to Juniper and would like info or port configs for both sides.



  • 2.  RE: Trunk port between EX3400 to Cisco 3750X

    Posted 09-14-2022 06:51
    The Juniper side of a trunk port would require
    • Create all the vlans that will be included
    • Setting the interface to ethernet switching trunk mode
    • add the vlans via one of two options 
      • Option 1- add the interface to the vlan statement
      • Option 2 - add the vlans to the interface configuration

    Full details of configuration and explanations are here

    Since you are new to Juniper you might find these free training resources helpful.

    Starting with this free introduction to the Junos CLI

    Steve Puluka BSEET - Juniper Ambassador
    IP Architect - DQE Communications Pittsburgh, PA (Metro Ethernet & ISP - Retired)