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tboernert
just joined
Topic Author
Posts: 5
Joined: Thu Feb 23, 2012 9:48 pm

OSPF with redundant Routers

Fri Mar 26, 2021 11:25 pm

Hi all,

i have the following setup:

Redundant
CiscoStack
| |
R1 --- R2
\ /
80 GHz
|
80 GHz
/ \
R3 --- R4
| |
Redundant
CiscoStack

R1 - R4 are CCR2004 runnig OSPF.
R1 and R2 have a DA cable (routed) and R3/4 also.
Between an 80 GHz 1+1 Radio Link. On each site 2 bridged(!) interfaces connected to R1/2 and on the other site connected to R3/4.
So all interfaces from R1-R4 on the radio site are bridged.

On Top of OSPF i have running MPLS with VPLS tunnels.

So if one Router on one site will fail i have no problem.

Is that an good idea ? Or have everyone a better solution ?

Thanks

Thomas
 
mada3k
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Posts: 682
Joined: Mon Jul 13, 2015 10:53 am
Location: Sweden

Re: OSPF with redundant Routers

Sat Mar 27, 2021 12:07 pm

It sounds like a decent solution. All four routers is, in other words, on the same Layer 2 network?

All four is present on /routing ospf neighbour print?
And you are running R(STP) over the VPLS tunnels?
 
tboernert
just joined
Topic Author
Posts: 5
Joined: Thu Feb 23, 2012 9:48 pm

Re: OSPF with redundant Routers

Sun Mar 28, 2021 1:57 am

yes all 4 routers on the wireless site are on the same layer 2 network. that will be a problem, isn't it ?

which network-type should i use on the wireless site ? ptmp ?

i think horizon will be eliminate the loop for the bridge network through vpls.

Thomas
 
millenium7
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Posts: 538
Joined: Wed Mar 16, 2016 6:12 am

Re: OSPF with redundant Routers

Mon Mar 29, 2021 5:22 am

PTMP has issues on MikroTik

I'd suggest you create a separate VLAN interface for every router to router link over wireless and then use point-to-point type. You'll have far less issues

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