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cisco SG500-28 VLAN problem

Hello,

I have problem with simple VLAN:

I change switch to layer 3 system mode.

To port 1 I have connected router. I create 2 vlans:

VLAN settings: vlan id 2    and vlan id  4

I go to Port VLAN Membership and I join vlan to GE2 2T, GE3 2T, GE4 4T, GE5 4T (I left 1UP in every GE).

Next I have done almost all possibly configuration:

     I made port 2,3,4,5 in access mode\trunk\general. I change them to tagged/untagged...

I want to do:

GE1 router/internet is visible for (port): 2,3,4,5.

Port 2 and 3 are visible for themselfs and not visible for 4 and 5.

Port 4 and 5 are visible for themselfs and not visible for 2 and 3.

I get IP from router via DHCP.

I configure cisco swith via web.

Can you help me with rest configuration?

Other questions:

1. I read that it is better to use VLAN based on ports than VLAN based on MAC. Why?

2. Should I configure my router to use this VLAN (besides DHCP)? (I use Microtik)

3. If I want to add server on port 20. (Access from every port (like router))  Do I have to configure port 20 the same as port 1?

Karol

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