community matching

[Soha Jin]

Hi,

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You can take a look at https://bird.network.cz/?get_doc <https://bird.network.cz/?get_doc&v=20&f=bird-5.html#ss5.2> &v=20&f=bird-5.html#ss5.2, the pair/ec/lc set is for bgp_community/bgp_ext_community/bgp_large_community.

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6509:4804 is written as a pair of number, (6509,4804), in BIRD. In your example, you can write `bgp_community  ~ [(6509,4809), (6509,4810)]` to match any one of them. You can also use a range interval like `bgp_community ~ [(6509, 4809..4810)]`. 

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Regards,

Soha

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From: Bird-users <bird-users-bounces at network.cz> On Behalf Of skanda
Sent: Thursday, May 9, 2024 1:29 PM
To: bird-users at network.cz
Subject: community matching

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Hi Bird experts,

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If I want match two communities, how does the syntax works in bird ?

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standard communities to matched

6509:4804 and 6509:4810

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Is it like this 



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What are the pair inside the brackets means?

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Or 

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filter labips {

if (([(65001,4809, 4810)] ~ bgp_community) then

accept

}

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