Hi,
What version of bird you are using? There was a path for BGP & VRF applied
just recently:
https://gitlab.labs.nic.cz/labs/bird/commit/e19d08055a4614f03e51ee72617be10946ce7919
On Sun, Nov 4, 2018 at 5:01 PM, Semion Lisyansky <semi...@gmail.com> wrote:
> Hi All,
>
> Tried to configure vrf with same own and peer addresses as in global.
> When I ping in vrf, packets go in and out via correct interfaces,
> but bird bgp sessions are constantly flapping. Only one session to peer
> with same address exists at each moment
> As a w/a tried to configure interface per session, but this did not helped.
>
> Here is my partial configuration:
>
>
> protocol device {
> scan time 2; # Scan interfaces every 2 seconds
> }
> protocol direct {
> interface "br*"; # bridge interfaces
> interface "swp*"; # router ports
> interface "bond*"; # Disable by default
> ipv4; # Connect to default IPv4 table
> ipv6; # ... and to default IPv6 table
> }
>
> protocol kernel {
> ipv4 { # Connect protocol to IPv4 table by channel
> table master4; # Default IPv4 table is master4
> import none; # Import to table, default is import all
> export all; # Export to protocol. default is export
> none
> };
> learn on; # Learn alien routes from the
> kernel
> merge paths yes;
> }
>
> protocol bgp bgp3411 {
> local as 65001;
> bfd yes;
> neighbor 191.34.1.3 as 65034;
> # interface "swp2";
> ipv4 {
> import all;
> export all;
> };
> }
>
> protocol bgp bgp3412 {
> local as 65001;
> bfd yes;
> neighbor 192.34.1.3 as 65034;
> # interface "swp1";
> ipv4 {
> import all;
> export all;
> };
> }
>
>
> ipv4 table table_vrf01;
>
> protocol kernel kernel_vrf01 {
> vrf "vrf01";
> kernel table 101;
> scan time 2;
> ipv4 {
> table table_vrf01;
> import none; # Default is import all
> export all; # Default is export none
> };
> merge paths yes;
> learn on; # Learn all alien routes from the kernel
> }
>
> protocol direct direct_vrf01 {
> vrf "vrf01";
> ipv4 { table table_vrf01; };
> interface "swp7.101";
> interface "swp1.201";
> interface "swp2.301";
> interface "vrf01";
> }
>
> protocol static static_vrf01 {
> vrf "vrf01";
> ipv4 { table table_vrf01; };
> }
>
> protocol bgp bgp_vrf01_n1 {
> vrf "vrf01";
> local as 65001;
> graceful restart;
> neighbor 191.34.1.3 as 65034;
> ipv4 {
> table table_vrf01;
> import none;
> export none;
> };
> }
>
> protocol bgp bgp_vrf01_n2 {
> vrf "vrf01";
> local as 65001;
> graceful restart;
> neighbor 192.34.1.3 as 65034;
> ipv4 {
> table table_vrf01;
> import none;
> export none;
> };
> }
>
>
>
> ip -br link show type vrf
> vrf01 UP fe:58:94:d2:d8:ee
> <NOARP,MASTER,UP,LOWER_UP>
> vrf02 UP 42:2d:8f:bd:87:9f
> <NOARP,MASTER,UP,LOWER_UP>
> (mlnx)root@bdg-crf-01:~# ip route show vrf vrf01
> 172.1.7.0/24 dev swp7.101 proto kernel scope link src 172.1.7.1 offload
> 191.34.1.2/31 dev swp2.301 proto kernel scope link src 191.34.1.2 offload
> 192.34.1.2/31 dev swp1.201 proto kernel scope link src 192.34.1.2 offload
> (mlnx)root@bdg-crf-01:~# ip route show table 101
> broadcast 172.1.7.0 dev swp7.101 proto kernel scope link src 172.1.7.1
> 172.1.7.0/24 dev swp7.101 proto kernel scope link src 172.1.7.1 offload
> local 172.1.7.1 dev swp7.101 proto kernel scope host src 172.1.7.1
> broadcast 172.1.7.255 dev swp7.101 proto kernel scope link src 172.1.7.1
> local 191.34.1.2 dev swp2.301 proto kernel scope host src 191.34.1.2
> 191.34.1.2/31 dev swp2.301 proto kernel scope link src 191.34.1.2 offload
> local 192.34.1.2 dev swp1.201 proto kernel scope host src 192.34.1.2
> 192.34.1.2/31 dev swp1.201 proto kernel scope link src 192.34.1.2 offload
>
>
> --
> Semion Lisyansky
>
