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HandyDutchGuy
newbie
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Posts: 28
Joined: Thu Nov 04, 2021 12:59 am

Help with VLAN setup - newbie

Thu Nov 04, 2021 4:47 am

Hello forum,

Recently bought a Hex, RB750GR3, to play around with in hopes of it replacing a power hungry PC that runs OPNsense.

In my current setup I don't have VLANs configured, but would like to change that up, just because I can - but should I ??? Read on...
My reasons are twofold - for the learning experience as well as ease of scalability for larger setups (or so I've read)

Since the switch(es) that will be used can handle VLANs, I can see one of two options I'd like to try out. But having read some posts here and elsewhere about the Hex's VLAN limitations concerning hardware offloading or (other) speed issues, (true stories, or fake news?) I just don't know what to do. Skip VLANs altogether, or use them? Bridge eth2 through eth5, or keep separate?

This is what I can think of:

==OPTION 1==
PC1---VLAN10---sw.p01,U/T-VLAN10 (read: PC1 will be part of VLAN10, connected to switch port 01, which will be a member of VLAN10)

PC2---VLAN10---sw.p02,U/T-VLAN10

Prt1--VLAN10---sw.p03,U/T-VLAN10

AP1---VLAN10---sw.p04,U/T-VLAN10

spare----------sw.p05,U/T-VLAN10

AP2---VLAN20---sw.p06,U/T-VLAN20

PC3---VLAN30---sw.p07,U/T-VLAN30

spare----------sw.p08,U/T-VLAN30

PC4---VLAN40---sw.p09,U/T-VLAN40

Trunkport-1----sw.p10,T-VLANs 10,20,30.40 (read: tagged for all VLANs)

Connect trunkport-1 to Eth2


or:

==OPTION 2==
PC1---VLAN10---sw.p01,U/T-VLAN10

PC2---VLAN10---sw.p02,U/T-VLAN10

Prt1--VLAN10---sw.p03,U/T-VLAN10

AP1---VLAN10---sw.p04,U/T-VLAN10

spare----------sw.p05,U/T-VLAN10

Trunkport-1----sw.p06,T-VLANs 10

Connect trunkport-1 to Eth2

AP2---VLAN20---sw.p07,U/T-VLAN20

PC3---VLAN30---sw.p08,U/T-VLAN30

PC4---VLAN40---sw.p09,U/T-VLAN40

Trunkport-2----sw.p10,T-VLANs 20,30.40

Connect trunkport-2 to Eth3


Questions:
A) should I be able to configure either option on the Hex, or is this unsupported? (don't think it is, but asking to be sure)
B) will there be a performance/throughput difference between OPTION 1 and OPTION 2? In a small scale as illustrated, I suppose perhaps not. But what about a small business, with up to, let's say 30 hosts (hosts being a mix of PCs, printers, APs, phones) Is using VLANs a wise choice for this router, or are traditional subnets per port a better choice?

Thanks for taking the time to read my post. I hope to learn, implement and enjoy the Mikrotik.

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