Hi.
I'm setting up Bird (2.0.7) as a BGP FlowSpec controller and it has to
send out FS routes to two (FRR-based) neighbors.
Actual configuration is defined as below:
flow4 table flowtab4;
protocol static {
flow4 {
import all;
export all;
};
route flow4 {
src x.x.y.y/32;
dst x.x.z.z/32;
} {
bgp_ext_community.add( (generic, 0x80060000, 0x0) );
};
}
template bgp bgp_fs {
local x.x.x.x as ABCDG;
capabilities off;
flow4 {
table flowtab4;
import all;
export all;
};
ipv4 {
import all;
export all;
};
}
protocol bgp bgp_svc01 from bgp_fs {
neighbor y.y.y.y as ABCDE;
}
protocol bgp bgp_svc02 from bgp_fs {
neighbor z.z.z.z as ABCDF;
}
The FS is properly assigned to the BGP protocol instances, but flowtab4
table is only UP as a channel for static1 protocol,
while for bgp_svc01/02 is not (hence, no FS routes advertised BGP-side):
bird> show protocol all static1
Name Proto Table State Since Info
static1 Static flowtab4 up 13:02:42.987
Channel flow4
State: UP
==================
Table: flowtab4
Preference: 200
Input filter: ACCEPT
Output filter: ACCEPT
Routes: 1 imported, 0 exported, 1 preferred
Route change stats: received rejected filtered ignored
accepted
Import updates: 1 0 0 0
1
Import withdraws: 0 0 --- 0
0
Export updates: 0 0 0 ---
0
Export withdraws: 0 --- --- ---
0
bird> show protocol all bgp_svc01
Name Proto Table State Since Info
bgp_svc01 BGP --- up 13:00:17.256 Established
BGP state: Established
Neighbor address: y.y.y.y
Neighbor AS: ABCDE
Local AS: ABCDG
Neighbor ID: whateverID
Local capabilities
Neighbor capabilities
Session: external
Source address: x.x.x.x
Hold timer: 4.820/9
Keepalive timer: 2.054/3
Channel flow4
State: DOWN
====================
Table: flowtab4
Preference: 100
Input filter: ACCEPT
Output filter: ACCEPT
Channel ipv4
State: UP
Table: master4
Preference: 100
Input filter: ACCEPT
Output filter: ACCEPT
Routes: 13 imported, 2 exported, 13 preferred
Route change stats: received rejected filtered ignored
accepted
[...]
BGP Next hop: x.x.x.x
Looking forward to get some clarifications.
Thank you.
Kind regards,
Davide Pucci.
