BGP: AS private number check

[zilhazur.rahman at novocom-bd.com]

Hi Arvin 

Its really good to get a prompt response. Thank you for the help. Any example you can provide? 

Regards 
Zilhaz 

From: "Arvin Gan" <AGan at advaoptical.com> 
To: "zilhazur rahman" <zilhazur.rahman at novocom-bd.com> 
Cc: "bird-users" <bird-users at network.cz> 
Sent: Friday, June 15, 2018 12:36:41 PM 
Subject: RE: BGP: AS private number check 



Hi , 

Bird support the configuration of efault bgp_local_pref. In export filter, this attribute can also be reconfigure. 



default bgp_local_pref number 

A default value for the Local Preference attribute. It is used when a new Local Preference attribute is attached to a route by the BGP protocol itself (for example, if a route is received through eBGP and therefore does not have such attribute). Default: 100 (0 in pre-1.2.0 versions of BIRD). 

Thanks 

Arvin 




From: Bird-users <bird-users-bounces at network.cz> On Behalf Of zilhazur.rahman at novocom-bd.com 
Sent: Friday, June 15, 2018 2:24 PM 
To: bird-users at network.cz 
Subject: Re: BGP: AS private number check 





Hi everyone 





Could you assist me how can I use local preference in BGP in Bird for traffic manipulation ? 





Regards 


Zilhaz 






From: "Arvin Gan" < [ mailto:AGan at advaoptical.com | AGan at advaoptical.com ] > 
To: [ mailto:bird-users at network.cz | bird-users at network.cz ] 
Sent: Friday, June 15, 2018 12:13:59 PM 
Subject: BGP: AS private number check 





Hi All, 

According to RFC1930, the AS number 64512 to 65535 are reserved for private, I cannot find the implementation for checking private AS number in BIRD, anybody know it or it’s lost in BGP ? 

RFC1930 
[ https://tools.ietf.org/html/rfc1930.html#section-10 | 10 ] . Reserved AS Numbers 
The Internet Assigned Numbers Authority (IANA) has reserved the 
following block of AS numbers for private use (not to be advertised 
on the global Internet): 
64512 through 65535 




Thanks 

Arvin 



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