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BGP Inbound Traffic contr...

BGP Inbound Traffic control over multiple default routes

Latest reply: Dec 9, 2020 00:37:58 541 9 0 0 0
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Hi,


Can anybody help me to understand about BGP inbound traffic engineering options available in Huawei NE05 series routers.


At present we have three upstream connectivity from three different service providers. All three are EBGP peering and service providers are advertising default routes to our Router. Out of three only one service provider 

path is always using for all inbound traffic. So we are unable balance traffic load across all the three links.


Total six IP prefixes are available and each upstream peering are advertised with two prefixes.


Please let me know the solution and it would be great if I can get a quick response.


Regards,

Manu M



BGPBGP AttributeseBGPbgpBGP routes

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2#
GladysP
Created Dec 5, 2020 22:45:54

thanks for share it to us!
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3#
BetterMing
Created Dec 6, 2020 01:15:35

Hello, dear.
It's nice to meet you in the community.
We're working on your problem. Please be patient.
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4#
Popeye_Wang
Admin Created Dec 6, 2020 06:20:16

Hi,
You can try to use the MED attribute to control the inbound traffic routing.

For example:
ip ip-prefix med-prefix index 10 permit X.Y.128.0 20
route-policy med-500 permit node 10
 if-match ip-prefix med-prefix
 apply cost 500
route-policy med-500 permit node 15
apply cost 0
ipv4-family unicast
 peer A.B.254.241 route-policy med-500 export
Refer to:
https://support.huawei.com/enterprise/en/knowledge/ETC0001084699
https://support.huawei.com/hedex/hdx.do?docid=EDOC1100069307&id=dc_cfg_bgp_0073&lang=en
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ManuM
ManuM Created Dec 6, 2020 12:08:34 (0) (0)
Dear Friend,

Thanks for the advice and Let me check with MED attribute configuration.

Does the service provider need to make any changes in their side on MED attribute value based on our changes ?  
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5#
Popeye_Wang
Admin Created Dec 7, 2020 10:04:18

Posted by Popeye_Wang at 2020-12-06 06:20 Hi,You can try to use the MED attribute to control the inbound traffic routing.For example:ip ip-pre ...
I'm sorry, that's a bad suggestion. I've looked at your requirements carefully. Because different service providers have different ASs, I'm afraid MED cannot solve your problem. The load cannot be generated by configured the NE05. Your requirements may require cooperation from the 3 service providers.
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ManuM
ManuM Created Dec 7, 2020 18:55:46 (0) (0)
So what could be the alternate solution. I have tried the as-path prepend for influence the inbound traffic. But it is not working properly.

Let me know if any other options.

Regards,
Manu M  
karladu
karladu Reply ManuM  Created Dec 9, 2020 00:37:18 (0) (0)
 
GladysP
GladysP Reply ManuM  Created Dec 10, 2020 23:27:50 (0) (0)
 
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6#
karladu
Created Dec 9, 2020 00:37:58

Experienced
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