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minhvk
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Joined: Thu Aug 03, 2023 9:44 am

LoadBalancing/Policy Routing BGP Dual-Homing

Thu Aug 03, 2023 10:12 am

Hello Everyone,

I am implementing dual-homing with a Mikrotik router on the customer site. The two routers of the ISP are Cisco. Mikrotik will only receive default route from the two.

I have read this subject on Cisco:
https://www.cisco.com/c/en/us/support/d ... 62-40.html

Since I know Mikrotik does not support ECMP BGP. And RouterOS installs all the same prefixes from eBGP into RIB. So can we configure Loadbalancing/Policy routing by PCC/Mangle routing
for it? Any concerns about this solution? It works with my labs but I am not sure if it would be fine in fact.

Please correct me if I am wrong about something.

Thanks
 
nocnetlatin
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Re: LoadBalancing/Policy Routing BGP Dual-Homing

Tue Aug 29, 2023 4:29 pm

Hi, I need to know the same, how to configure the routing filter to take the prefixes in ecmp via bgp.

My filter at the moment is:

if (bgp-communities equal 99:99) {set gw 10.255.241.97;accept}

but i need it to be ecmp with ip 10.15.18.20

I have not found a manual for the very specific routing filter options.

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