hi @Vishal07 - all depends on what you're trying to achieve? What device is connected to the MX port? If you have a switch connected and there's a requirement for devices connected to that switch to use both of those vlan's, then sure, configure as a Trunk and allow those VLAN's on the Trunk port. By configuring a Trunk you're saying you wish to allow more than a single VLAN on that port to the upstream device.
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