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alejo0519
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Joined: Wed Nov 06, 2019 11:19 pm

OSPF Load Balancing through Wireless Links

Thu Dec 30, 2021 11:22 pm

Hello everyone,

I have 2 wireless links with Ubiquiti Rocket Prism 5AC antennas between 2 nodes(router_1 and router_2). One link is called Ubiquiti_A and the other Ubiquiti_B. I'm using OSPF and path costs so that the downstream goes only over the Ubiquiti_A and the upstream over the Ubiquiti_B (from the WAN port perspective,being router 1 the one that provides the internet connection). Both links are NBMA network type due to problems experienced with others.

My question is: how is the correct way to configure the NBMA neighbors? Because when I use router 2 with Area Range to propagate summarized routes to router 1, both links start to share the load through downstream and upstream .Router 1 is DR in both links, is this wrong?

Here is my configuration:
Router_1(RB1100AHx4, ROSv6.49.2):
---Interface---:
/routing ospf interface add cost=10 interface="ether5_Ubiquiti_A" network-type=nbma priority=1
/routing ospf interface add cost=20 interface="ether6_Ubiquiti_B" network-type=nbma priority=1

---NBMA-Neighbor---:
/routing ospf nbma-neighbor add address=10.0.0.20 comment="Ubiquiti_A"  priority=1
/routing ospf nbma-neighbor add address=10.0.0.52 comment="Ubiquiti_B"  priority=1

Router_2(hEX S, ROSv6.49.2):
---Interface---:
/routing ospf interface add cost=20 interface="ether4_Ubiquiti_A" network-type=nbma priority=0
/routing ospf interface add cost=10 interface="ether5_Ubiquiti_B" network-type=nbma priority=0

---NBMA-Neighbor---:
/routing ospf nbma-neighbor add address=10.0.0.17 comment="Ubiquiti_A"  priority=0
/routing ospf nbma-neighbor add address=10.0.0.49 comment="Ubiquiti_B"  priority=0

All replies are appreciated.
 
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StubArea51
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Re: OSPF Load Balancing through Wireless Links

Sat Jan 01, 2022 6:52 pm

Consider using an OSPF transit fabric to use all of the bandwidth - then you won't need to split upstream/downstream

https://stubarea51.net/2016/10/27/wisp- ... ual-links/

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alejo0519
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Joined: Wed Nov 06, 2019 11:19 pm

Re: OSPF Load Balancing through Wireless Links

Tue Jan 04, 2022 12:52 am

Thank you very much for the reply, I will test it.

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