MikroTik

Gombeen666

For starters I would like to test that for example - Mikrotik router A should be getting only tagged VLAN packets for two Vlan's ID=1010 and 1020, then router B should be getting tagged VLAN packets for another two vlan's ID= 2010 and 2020 ?

Gombeen666

Is it possible to check on a network for leaking vlan packets from other vlans ?

Gombeen666

What spectrum analyser are you using !

Gombeen666

How do I detect if a weather radar is active at a new site ?

Gombeen666

........................ or tunnel everything back into a common layer2 bridge somewhere which ultimately just doesn't make any sense and provides zero benefit over PPPoE The reason we moved back to L2 bridged was because we reckon our OSPF configuration was not correct and was causing intermittent...

Gombeen666

I am asking if Mikrotik will give me OSPF detailed info like the way Cisco does?

Gombeen666

OK - what command will tell me what OSPF function the router is (IR, Backbone, ABR, ASBR )

Gombeen666

https://wiki.mikrotik.com/wiki/Manual:Routing/OSPF

/routing ospf monitor
Does not work!

/routing ospf ospf-router
Does not work!

From reading Cisco OSPF - "show ip ospf" or "show ip ospf interface brief" - what are the Mikrotik equivalents !

Gombeen666

Can anyone advise where I could source a 19" rack Gigabit POE panel with 12-16 ports and very important to have LAN control to switch off/on individual POE ports ?

Gombeen666

Having a POE out option on a device is becoming must have for power off/on to solve devices that occasionally lock up! The 4011 doesn't appear to have POE out option. It has, but only on 1 port (port 10). For this feature to be useful in this use case, it would be better when it e.g. supported 5 PO...

Gombeen666

I'd use a 4011...compact and 10 gig capable if needed. It's a fantastic tower router and can even be a border router.

Having a POE out option on a device is becoming must have for power off/on to solve devices that occasionally lock up!
The 4011 doesn't appear to have POE out option.

Gombeen666

At a site we have 20Meter POE ethernet leads connecting AP's + PTP's and we have noticed that occasionally OSPF state changes can be high (20-60) over a 24 hour period, we have tried using different OSPF network type = Point to Point and Broadcast Is there anything else we can do to reduce state cha...

Gombeen666

We are encountering at random times AP's (mostly but some times PTP's ) that lockup and there is no access by mac-telnet on ether or wlan to run supout file, I have tried Watchdog and ticked "Automatic Supout" After power restart there is nothing in the logs prior to the restart indicating what may ...

Gombeen666

With 4 L2 bridges on a RB750 I am trying to figure out static IP route (s) ? dst-address=0.0.0.0/0 gateway= ? Do I have to create a gateway for each bridge and/or for each interface port / vlan? (confused!) Port 1 is PTP has Vlan's (a + b + c + d ) Port 2 has AP1 Vlan01 - Bridge A (port 1 + 2) Port ...

Gombeen666

I would like ask on a network that uses the same VRF route mark name ( PPPoE_Mark ) on many devices could this cause confusion or should the name be unique on each device
or does it matter!

Gombeen666

My PPPoE server uses
max-mtu=1480
max-mru=1480
mrru=1600

PPPoE Client
/interface pppoe-client monitor 0
mtu:1480
mru:1480

Just wondering is MRRU setting correct or should it be disabled?

Gombeen666

........... Could somebody give me a 'mtu and PPPoE server for dummies' explanation so I can enhance the performance of our network and silence the complaints from some clients....? I would also like to ask how do you test MTU settings when running PPPoE Central Concentrator + MPLS + VPLS + VLAN's ...

Gombeen666

use-service-tag=yes means to use 802.1ad tag, use-service-tag=no means to use 802.1Q tag. They differ by ethertype value. Don't use use-service-tag=yes unless you're perfectly sure why you do. I am trying to solve a intermittent problem where AP's lockup and have no mac-telnet access by either ethe...

Gombeen666

At present the vlans on the AP's don't use Service Tag, so I wonder if i checked this option and used service tag option for the RB750 and for other routers in that segment and Tagged rather than Untagged vlan is this recommended?

Gombeen666

I am trying to establish if I need additional VRF route marks, which in my case has RB750 3 AP's Vlans + 1 local admin vlan connected by 4 bridges to port 1 Port 1 is PTP has Vlan's (a + b + c + d ) Port 2 has AP1 Vlan a - Bridge A (port 1 + 2) Port 3 has AP2 Vlan b - Bridge B (port 1 + 3) Port 4 ha...

Gombeen666

In that case the traffic is separated at L2 layer by running on individual bridges; to prevent routing between IP subnets which use those bridges, the firewall rules or vrf as suggested above can be used. As i am a newbie ? could I ask for the four bridges do I need to create 4 routing marks on fou...

Gombeen666

How you add Port1 to four different bridges?

I created individual Vlans for each port and then added them in bridge/port
so for bridge 2 - it has vlans port1 + vlanport2 , bridge 3 has vlanport1 + vlanport3 .......

Gombeen666

what you want is prevent one side to have a route to another side -> routing issue -> adjust routing config Some options: separate routing table for each interface (=VRF) or just deny routing between them using routing rule (ex: action=unreachable) Can i ask for advise for the best way to isolate f...

Gombeen666

......OSPF on MikroTik is generally stable with some caveats, i've found point-to-point network type to be the most reliable so I always use that. Even when its a multipoint (use separate VLAN's for each connecting router and make them point-to-point links)..... Does this mean creating creating VLA...

Gombeen666

@millenium7 Can I once again thank you for taking time to answer and offer very good advise! Another big reason for us moving off PPPoE inside our backhaul is to massively reduce the downtime that can happen when a link is interrupted. PPPoE tunnels seem ok with a short interruption but say 5+ secon...

Gombeen666

@millenium7 Many thanks for your detailed reply, ...OSPF on MikroTik is generally stable with some caveats, i've found point-to-point network type to be the most reliable so I always use that. Even when its a multipoint (use separate VLAN's for each connecting router and make them point-to-point lin...

Gombeen666

Need more info on the topology For instance are PPPoE sessions terminated closest to the customer, or are they all terminated at a central PPPoE concentrator? If the latter are you using VPLS tunnels (or something else like EoIP?) Do you have BGP running internally in the network? These answers cha...

Gombeen666

Just curious asking why on our network that a previous techie would create both OSPF and MPLS loopbacks on routers each with there own ip range ?
Cause he was a massive goose?

As I am newbie to this could you explain further?

Gombeen666

.................... When getting one firewall in front of the pair, keep in mind that you add another SPOF (unless you deploy a HA cluster of at least two devices) and you certainly add another layer of complexity. ........................... I agree it's another single point of failure but i gues...

Gombeen666

As it stands I believe that the firewall settings have to duplicated on both CCR's and if not done then there is no failover, so I thought have a hardware firewall in front of the CCR's,

Gombeen666

Which is best a single hardware firewall in front of two CCR1009 or use the firewall on both CCR's?

Gombeen666

As a WISP I have setup the AP's in OSPF into multi areas rather than having the complete network on Area0 but would like ask what is optimum configuration for clients who get their public ip from PPPoE! Should the area be stub or NSSA , OSPF Instance - distribute-default setting , redistribute-conne...

Gombeen666

Main advantage is spreading your risk to have a pppoe server at every pop. Second advantage is that not one router is doing all queues/firewall/natting for all clients. Sounds good the advantage but by having the PPPoE at the tower does it mean that traffic must transverse the network to PPPoE serv...

Gombeen666

Are the firewall rules to be on the AP or CPE or both! also is necessary to specify the interface!

Gombeen666

If you have loops, enable xSTP

(1) How can I test if I have loops?
(2) is xSTP RSTP, MSTP....If so I don't have STP between routers ?

Gombeen666

Has anyone got suggestions or recommendations on best practice to reduce or prevent broadcast storm on a L2 bridged network, each Vlan has it's interfaces connected to a separate bridge ?

Gombeen666

As a WISP can I ask what is the advantages/ disadvantages of having PPPoE server at each tower when running
(1) OSPF
(2) L2 Bridged
(3) Both OSPF + L2 Bridged

Gombeen666

Can I ask when creating a Bridge the default protocol used is "RSTP", with no spanning tree being active on that bridge should the protocol "None"

Gombeen666

Just curious asking why on our network that a previous techie would create both OSPF and MPLS loopbacks on routers each with there own ip range ?

Gombeen666

When setting ospf interface "all" as passive is it normal that state is "Down" 1 P interface=all cost=10 priority=1 authentication=none authentication-key="" authentication-key-id=1 network-type=broadcast instance-id=0 retransmit-interval=5s transmit-delay=1s hello-interval=10s dead-interval=40s use...

Gombeen666

To have two loopback addresses on a router (ospf + mpls) or will the ospf loopback do for mpls?

Gombeen666

I would also like ask the same question ."..How much horsepower does it take to run MPLS/VPLS....."

Gombeen666

@Anumrak
Thanks for your reply!
On re-reading my question I will have to rephrase,
Static routing for L2 bridged and Dynamic for OSPF, I want the options that if static routing is unreachable that OSPF dynamic routing will take over until static is reachable?

Gombeen666

In Winbox is it possible to save a preferred layout rather than having to use to default layout - for example I want to add in routing ospf neighbor display "State" and "Adjacency" and save this layout?

Gombeen666

For a network that was OSPF + MPLS + VPLS and now L2 bridged and PPPoE using Vlans for public ip's ! - OSPF is now used for management
Can static routes co exist with dynamic routes coming from OSPF?

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