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This is the topology I'm working with.

In the router, e0 is ether1 and e1 is ether2.

LAN_A has a maximum of 96 clients.

LAN_B has a maximum of 48 clients.

enter image description here

VPC_LAN_A:

ip 192.168.10.1/25 192.168.10.10

VPC_LAN_B:

ip 192.168.10.2/26 192.168.10.20

Router_1_Mikrotik:

add address=192.168.10.10/24 interface=ether1

add address=192.168.10.20/24 interface=ether2

The goal is to ping from LAN_A to LAN_B, but it seems like it's not possible with this configuration and I can't figure out why.

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  • as per your diagram you have been connected eth 0and eth 1. But your ip configurations on ether1 and ether2
    – infra
    May 26, 2019 at 13:20
  • 1
    In the router, e0 is ether1 and e1 is ether2.
    – G.Cunha
    May 26, 2019 at 13:22
  • next thing you don't have configured routing or you don't have posted
    – infra
    May 26, 2019 at 13:23
  • @infra How would I do that? Thanks
    – G.Cunha
    May 26, 2019 at 13:57
  • For a router to be on-topic here, the manufacturer must offer optional, paid support. Unfortunately, MikroTik does not offer that. You could try to ask this question on Server Fault for a business network.
    – Ron Maupin ♦
    May 26, 2019 at 15:23

1 Answer 1

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VPC_LAN_A: ip 192.168.10.1/25 192.168.10.10
Router_1_Mikrotik: add address=192.168.10.10/24 interface=ether1

VPC_LAN_B: ip 192.168.10.2/26 192.168.10.20
Router_1_Mikrotik: add address=192.168.10.20/24 interface=ether2

You've got overlapping subnets. The VPCs aren't in the same subnet as the router ports facing them. Even if both router ports are switched/bridged, that can't work. Even then, the subnets are partially overlapping - they're not identical.

You need to use a separate IP subnet off each router port. Each subnet needs to be the same on the router interface and the VPC. Subnets must not overlap.

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