VLAN question

Dashrender

I omitted the 2nd internet connection but yes we have two.

I'm curious, why two ISPs? There are many reasons, I'm wondering this situation's reason.

i3

Two ISP's for failover. We utilize quite a few different cloud services, with hosted phones being one of them.

" Considering that you say that zero traffic from Floor 1 should interact with traffic on Floor 2, why does it matter if things match across the whole site?"

To make it easier to visualize and understand for anyone other than me.

@dashrender said in VLAN question:

Scott just mentioned that he believes that the Meraki might have a switch feature in it's router. If that's the case, and you're not using it, why not disable it.

I am not sure I understand this.

Dashrender

@i3 said in VLAN question:

@dashrender said in VLAN question:

Scott just mentioned that he believes that the Meraki might have a switch feature in it's router. If that's the case, and you're not using it, why not disable it.

I am not sure I understand this.

If the router has switch ability built in, then the router might allow VLAN1 traffic on all ports of the switch. You don't seem to want this, so you should disable the switch feature, if the router has this feature.

scottalanmiller

A device like this can act in one of two ways. One is as a router, one is as a switch. Many Meraki, I believe, use a switch on the back end. So by default all traffic on the switch ports is comingled. But router ports don't act that way.

Dashrender

@i3 said in VLAN question:

Two ISP's for failover. We utilize quite a few different cloud services, with hosted phones being one of them.

So this is failover only? You're not routing traffic for floor 1 out ISP 1 and floor 2 out ISP 2, right?

i3

@dashrender said in VLAN question:

If the router has switch ability built in, then the router might allow VLAN1 traffic on all ports of the switch. You don't seem to want this, so you should disable the switch feature, if the router has this feature.

Correct, that has already been turned off or blocked on the port going to floor 2, keeping the 2nd floor isolated.

@dashrender said in VLAN question:

So this is failover only? You're not routing traffic for floor 1 out ISP 1 and floor 2 out ISP 2, right?

The 2nd floor does not rely on the internet as much as the 1st floor. The 1st floor has it's main internet connection and uses the 2nd internet as a backup in the event that their's goes down. Floor 2 uses the 2nd internet connection as it's main isp. This is all handled by the firewall.

Everything is working as designed and the two floors are separated, my only sticking point is that the 2nd floor switch (EdgeSwtich) has its default vlan (vlan1) as the 172.16.0.0 network but on the 1st floor and the firewall the default vlan is the 192.168.1.0 network. While I understand how this is setup now, is there a better way of configuring it.

Dashrender

Better in this situation is in the eye of the beholder.

Personally, I would use the default VLAN on both floor 1 and floor 2 switches for production networks, then make a VLAN 1 on both switches and assign the need IPs.

The router should treat each interface completely independently from each other. Then you mainly have to remember that VLAN default is prod and VLAN 1 is guest, regardless of what network (floor 1 or 2) you're connected to.

Is my way better than your current setup? Maybe yes maybe no.

You can also do what you mentioned, leave the firewall along and change the untagged ports to all VLAN3, and trunk the ports that need VLAN 4 as needed for guest access to WiFi.

JaredBusch

With two legally separate entities, I would not even use a VLAN. I would plug the 2nd floor stuff into a different port on the router No VLAN required to separate. Just some firewall rules to keep traffic separate.

Unless as someone else mentioned this overpriced Meraki gear is actually a switch and not a router. Then you are screwed and have to VLAN everything.

Dashrender

@jaredbusch said in VLAN question:

With two legally separate entities, I would not even use a VLAN. I would plug the 2nd floor stuff into a different port on the router No VLAN required to separate. Just some firewall rules to keep traffic separate.

Unless as someone else mentioned this overpriced Meraki gear is actually a switch and not a router. Then you are screwed and have to VLAN everything.

you completely missed the fact that the OP is trying to use the same APs for both prod and guest access.

And the two different legal entities are coming into two different ports on the router.

The port on the firewall connecting to the first-floor switch is a trunk port on the native VLAN allowing VLANs 1 and 2. The port on the firewall connection to the 2nd-floor switch is also a trunk port allowing VLANs 3 and 4 with 3 being the native VLAN on that port.

JaredBusch

@dashrender said in VLAN question:

@jaredbusch said in VLAN question:

With two legally separate entities, I would not even use a VLAN. I would plug the 2nd floor stuff into a different port on the router No VLAN required to separate. Just some firewall rules to keep traffic separate.

Unless as someone else mentioned this overpriced Meraki gear is actually a switch and not a router. Then you are screwed and have to VLAN everything.

you completely missed the fact that the OP is trying to use the same APs for both prod and guest access.

Two separate production networks. The only VLAN needed is VLAN2 on each network. Production wireless has no need for separation from production LAN. It is all production.

And the two different legal entities are coming into two different ports on the router.

The port on the firewall connecting to the first-floor switch is a trunk port on the native VLAN allowing VLANs 1 and 2. The port on the firewall connection to the 2nd-floor switch is also a trunk port allowing VLANs 3 and 4 with 3 being the native VLAN on that port.

I got that, and if his router was really a router, he would not be having problems.

Here is how it would work on my ERL. Obviously I need more than a ERL for his scenarios because he also has dual WAN. So he need 4 router ports.

WAN on eth0

ethernet eth0 {
     address dhcp
     description "WOW WAN"
     dhcp-options {
         default-route update
         default-route-distance 210
         name-server no-update
     }
     duplex auto
     speed auto
 }

1st floor on eth1

 ethernet eth1 {
     address 10.254.103.1/24
     description "Jared LAN"
     duplex auto
     speed auto
     vif 2 {
        address 10.254.104.1/24
        description "Jared Guest WiFi"
     }
 }

2nd floor on eth2

 ethernet eth2 {
    address 10.254.105.1/24
    description "Jason LAN"
    duplex auto
    speed auto
    vif 2 {
        address 10.254.106.1/24
        description "Jason Guest WiFi"
    }
 }

JaredBusch

Then you set some drop rules in the firewall to prevent the router from routing anything between the two.

i3

@jaredbusch
Are you creating vlans on the ERL?

JaredBusch

@i3 said in VLAN question:

@jaredbusch
Are you creating vlans on the ERL?

My example there was yes.

That doesn't help your original question directly. But the idea is the same.

Dashrender

@JaredBusch example follows my suggest of using the default VLAN and what he labeled VLAN2 for the wifi.