RouterOS 6.12 on RouterBoard 750GL Losses Vlan interface on pptp user connect
Hi I have an 750GL with 6.12 using switch based VLANs and trunking. When a vpn user is connected through PPTP the RouterOS VLAN interface disappears and a PPTP-USER interface takes it place. I cannot recreate the VLAN interface unless I reboot the system. Seems like a BUG to me!
What do you think?
Here follows my setup description:
Ether 1 is the external interface not part of the switching domain
Ether 2 -5 are all switched with ether2 as the master. VLANs are active on all the ports and ports 2,4,5 are trunks while port 3 is member in VLAN 300
This is what is the configuration on the system when everything is running as it should. I have constantly two PPTP VPN Connections.
/interface ethernet switch port> print
Flags: I - invalid
NAME SWITCH VLAN-MODE VLAN-HEADER DEFAULT-VLAN-ID
0 ether1-gateway switch1 disabled leave-as-is auto
1 ether2-master-l… switch1 secure leave-as-is auto
2 ether3-slave-local switch1 secure always-strip 300
3 ether4-slave-local switch1 secure leave-as-is auto
4 ether5-slave-local switch1 secure leave-as-is auto
5 switch1-cpu switch1 fallback leave-as-is auto
interface ethernet switch vlan> print
Flags: X - disabled, I - invalid
SWITCH VLAN-ID PORTS
0 switch1 200 ether2-master-local
ether4-slave-local
ether5-slave-local
switch1-cpu
1 switch1 300 ether4-slave-local
ether2-master-local
ether3-NAS
switch1-cpu
/interface vlan print
Flags: X - disabled, R - running, S - slave
NAME MTU ARP VLAN-ID INTERFACE
0 R vlan200 1500 enabled 200 ether2-master-local
1 R vlan300 1500 enabled 300 ether2-master-local
/ip address print
Flags: X - disabled, I - invalid, D - dynamic
ADDRESS NETWORK INTERFACE
0 143.233.241.31/24 143.233.241.0 ether1-gateway
1 127.11.0.1/32 127.11.0.1 NullBridge0
2 192.168.161.1/24 192.168.161.0 vlan200
3 192.168.160.1/24 192.168.160.0 vlan300
4 D 192.168.90.1/32 192.168.90.25
5 D 192.168.90.1/32 192.168.90.24
Now for some reason (e.g. ADSL disconnection, etc)
On the PPTP user reconnection the VLAN interfaces change to the following state:
/ip address> /interface vlan print
Flags: X - disabled, R - running, S - slave
NAME MTU ARP VLAN-ID INTERFACE
0 R 1400
1 R vlan200 1500 enabled 200 ether2-master-local
/ip address> /interface vlan
If I try to re add the interface I get an "already have such vlan ’ error. This clearly points in the direction of a SW bug.
/interface vlan> add name=vlan300 interface=ether2-master-local vlan-id=300
failure: already have such vlan
Finally you can see that IP address of the VLAN300 is assigned incorrectly to the pptp-USER2
/ip address print
Flags: X - disabled, I - invalid, D - dynamic
ADDRESS NETWORK INTERFACE
0 143.233.241.31/24 143.233.241.0 ether1-gateway
1 127.11.0.1/32 127.11.0.1 NullBridge0
2 192.168.161.1/24 192.168.161.0 vlan200
3 192.168.160.1/24 192.168.160.0
4 D 192.168.90.1/32 192.168.90.24
5 D 192.168.90.1/32 192.168.90.22
Any ideas? Should I forward this to Mikrotik support?
Thanks in advance.