Hi, Are you sure "netstat -rn" is capable of it on Linux. Try to use "ip route".
On Tue, Jun 11, 2019 at 2:40 PM Arno O <[email protected]> wrote: > > Sorry, there of course are "protocol kernel" configs. as below: > > # routing tables with the OS kernel. One instance per table. > protocol kernel { > ipv4 { # Connect protocol to IPv4 table by channel > # table master4; # Default IPv4 table is master4 > import all; # Import to table, default is import all > export all; # Export to protocol. default is export none > }; > merge paths yes; > metric 10; > learn; # Learn alien routes from the kernel > # kernel table 10; # Kernel table to synchronize with (default: main) > } > > Ar > ---------- Forwarded message --------- > Von: Arno O <[email protected]> > Date: Di., 11. Juni 2019 um 14:18 Uhr > Subject: bird (2.0.4) does not install multipath route in kernel > To: <[email protected]> > > > This topic was already discussed around March 1st 2019, without having > received a clear outcome. > > Now, dealing with ECMP with OSPF in Bird 2.04 on Fedora30, I run in same > problems: > > -> multiple next hops to same destination (50.50.50.0/24) are in the route > table of bird: > bird> sho route > Table master4: > 10.10.10.0/24 unicast [OIPv46 13:39:16.979] I (150/10) [10.10.10.1] > dev enp0s3 > 192.168.122.0/24 unicast [OIPv46 13:46:18.979] E2 (150/10/10000) > [10.10.10.3] > via 10.10.10.3 on enp0s3 > 50.50.50.0/24 unicast [OIPv46 13:46:18.979] E2 (150/10/100) > [10.10.10.3] > via 10.10.10.2 on enp0s3 weight 11 > via 10.10.10.3 on enp0s3 weight 11 > bird> > [root@localhost ~]# > > but kernel route table looks unexpectedly different: > root@localhost ~]# netstat -rn > Kernel IP routing table > Destination Gateway Genmask Flags MSS Window irtt Iface > 10.10.10.0 0.0.0.0 255.255.255.0 U 0 0 0 > enp0s3 > 50.50.50.0 10.10.10.2 255.255.255.0 UG 0 0 0 > enp0s3 > 192.168.122.0 10.10.10.3 255.255.255.0 UG 0 0 0 > enp0s3 > [root@localhost ~]# > > Kernel looks configured correctly (CONFIG_IP_ROUTE_MULTIPATH=y), etc.etc. > > Bird config on ECMPed bird router: > protocol ospf OIPv46 { > tick 2; > rfc1583compat yes; > ecmp yes limit 8; > merge external yes; > ipv4 { > import all; > export all; > }; > area 0 { > interface "enp0*" { > # type broadcast; # Detected by default > cost 10; # Interface metric > ecmp weight 11; > > What is missing either in the bird-config or the kernel part? > > Thx > > BR > Ar >
