Hello,

Version 1.4.1 (2014-03-31)
  o BGP add-path support (RFC draft).

from : https://gitlab.labs.nic.cz/labs/bird/blob/master/NEWS

Arnaud

> On 5 Feb 2015, at 14:51, David Lebrun <david.lebrun@uclouvain.be> wrote:
>
> On 02/05/2015 02:28 PM, Ste Bsd wrote:
>> Hello
>> I need your help for BGP add Path
>> I have  bird on Openbsd server in my lab and I would like configure add
>> path but when add this line in config file there is a "syntax error
>> message" .
>> bird version is 1.4.0
>> openbsd 5.5
>>
>> ths
>> Steck
>
> In protocol bgp section:
>
> add paths on; # enable add-path for TX and RX
> add paths rx; # enable add-path only for RX
> add paths tx; # enable add-path only for TX
>
> From the grammar:
>
> | bgp_proto ADD PATHS RX ';' { BGP_CFG->add_path = ADD_PATH_RX; }
> | bgp_proto ADD PATHS TX ';' { BGP_CFG->add_path = ADD_PATH_TX; }
> | bgp_proto ADD PATHS bool ';' { BGP_CFG->add_path = $4 ? ADD_PATH_FULL
> : 0; }
>
>