Multiple PPPoE over VLAN

RouterOS General
1

Hi,

i need your help for implementing this configuration:

NOW i have:

upstream router RB4001, Eth1 is connected to a ONT, on Eth1 there is a sub-interface VLAN 200 so my provider need this for PPPoE;

i need to connect to another Eth, e.g. Eth8 a second router (FritzBox with VLAN 300 on LAN1) and this one has another PPPoE with user/pass ad obtain another public IP from provider.

So i’ve tried this, from another topic on this forum:
“create a VLAN sub-interface on whichever interface. Create a new bridge on the upstream Mikrotik (wan-bridge1) and add the vlan sub-interface to it, and the ethernet interface your first pppoe account is on.”

i put VLAN200 (sub-interface on Eth1) and VLAN300 (sub interface on Eth8) on bridge wan-bridge1.
Doing that, PPPoE from Fritz (VLAN300) start to work, but no more first PPPoE on VLAN200 (sub-interface Eth1) because Mikrotik tell me that PPPoE on sub-interface VLAN200: “Client is on a slave interface”

I’ve tried to add a MACVLAN sub-interface of VLAN200, and put PPPoE no more on VLAN200 but on MACVLAN instead, i get no more error from PPPoE client but does not work…

Any ideas to solve this problem?

Thanks!

2

Why you cannot copy the existing setup, where the subinterface for VLAN 200 is directly attached to ether1, also for the other uplink, i.e. attach the subinterface for VLAN 300 directly to ether8? What am I missing?

3

Hi Sindy,
not sure to understand what you are saying to me,
i try to explain better:

on eth1 i’ve ONT connected (fiber connection);

eth1 has sub interface VLAN 200 and first PPPoE goes on that (main connection);

eth8 has sub interface VLAN 300 and connected the fritzbox with vlan configuration on lan1 (and second PPPoE configuration);


How do I make the Fritz’s PPPoE go out on VLAN200, subinterface of Eth1?


Sorry for my bad english :wink:
thanks

4

I don’t think it is a matter of English. First you have mentioned that the Fritzbox uses VLAN 300, now you mention VLAN 200; from the first post I’ve got an impression that the Frizbox is in bridge mode and provides a second WAN to the 4011, now it seems that you want to provide a second WAN to the Fritz by bridging it to the same ISP uplink that the 4011 uses.

So please draw what the desired interconnection actually - the two ISPs, the 4011 and the Friztbox, and the PPPoE client relationship to the ISPs. A photo of a drawing by hand is OK if it is clear enough.

5

Ok, sorry if i’ve not explained well my intention and thanks for your patience,

1 ISP, 2 PPPoE
1 ONT, 1 4011, 2 eth port, 1 fritz in bridge mode

Eth1: main uplink to provider (VLAN200 needed);

Eth8: used to create a separate Network for another user, has his own PPPoE, same provider, fritz in bridge mode doing PPPoE in LAN1, and NAT on other ports, so there will be 2 LANs, 2 PPPoE but the same ONT connected on Eth1/VLAN 200 as needed by the provider;

VLAN 300 on VLAN 300 on Eth8 is not needed, is my attempt to do this configuration, so is not mandatory.

if this explanation is not enough, I try to make a diagram on paper,

Thanks a lot

6

It would seem to be that your saying your ISP gives you two PPPOE connection and you want to use one for the Mikrotik router and pass the other to the fritz box ???
If incorrect then yes a detailed diagram is very much required.

7

So in my words:

  • the ISP will see two MAC addresses trying to establish a PPPoE connection in VLAN 200; one will be the PPPoE client on RB4011 (using one set of credentials) and the other one will be the PPPoE client behind the Fritzbox in bridge mode (using another set of credentials)?
  • is it OK if VLAN 200 remains tagged on ether8 (so you could move the cable from the Fritzbox from ether8 to the ONT and the PPPoE client behind Fritzbox would still work)?
8

Yes, you’re right!

9

If so, moving the VLAN 200 subinterface from ether1 to br-wan1 should be all you need to do.

10

i’ve done br-wan1 with 2 ports, Eth1 and Eth8,
added a sub-interface VLAN 200
and moved PPPoE (main) on this VLAN, and goes up!

but fritz on Eth8, with VLAN 200 configured does not goes up…

what is wrong?

Thanks for your help

11

Post config of 4011 … the /interface/export part. There are a few gotchas with bridges, VLANs and HW offload … and some combinations can bite one’s arse.

Another question: if you connect Fritz directly to ONT, its PPPoE works?

12

YES, Works, connecting Fritz to ONT, PPPoE goes up instantly

here some parts of conf:

/interface bridge
add name=bridgeWAN

/interface vlan
add interface=bridgeWAN name=vlan200 vlan-id=200

/interface pppoe-client
add add-default-route=yes disabled=no interface=vlan200 keepalive-timeout=60 name=pppoe-FIBER user=someuser@somedomain

/interface bridge port
add bridge=bridgeWAN interface=ether1
add bridge=bridgeWAN interface=ether8

pppoe-FIBER goes up
PPPoE on Fritz does not


Thanks!

13

With your config it shouldn’t matter which port connects ONT, ether1 or ether8 … verify that this is indeed so.

Does it matter, if PPPoE on RB doesn’t start (so try connecting Fritz with disabled PPPoE client on RB)? It could be that ISP is limiting number of active PPPoE sessions per ONT?

14

Looks fine to me, so what does /interface bridge vlan print where bridge=bridgeWAN show?

15 



> /interface bridge vlan print where bridge=bridgeWAN

>

return a single blank line


but now works… is possibly that connecting Fritz to ONT for the test and re-connecting on Eth8…?

But now is fine, thanks a lot!

16

I just wanted to check that VLAN “filtering” was indeed disabled on bridgeWAN as the configuration export suggested, so a blank line is a correct result.


Maybe just lack of patience when trying before? You’ll see whether it is going to be stable during next few days.

17



yeah, is possible, thanks a lot for your patience!