On Sat, Dec 29, 2018 at 01:36:37PM +0800, Simon Jones wrote: > Hi all, > > I'm working on SONiC project management vrf function
SONiC: https://azure.github.io/SONiC/ Software for Open Networking in the Cloud, SONiC VRF: https://en.wikipedia.org/wiki/Virtual_routing_and_forwarding > under debian with kernel 4.3. > > This is my OS: > > > # uname -a > > Linux dut211 4.9.0-7-amd64 #1 SMP Debian 4.9.110-3+deb9u2 (2015-12-19) > > x86_64 GNU/Linux Euh, that 4.9 is not 4.3 ... > This is SONiC project management vrf function: > > > https://www.youtube.com/watch?v=uAHmZKEdqDE&feature=youtu.be > > > Now I have to rewrite /etc/network/interfaces to implement this function, > but I got errors, so I want to know if there is demo about how to define > VRF interface and implement VRF function in /etc/network/interfaces. > > As I follow your man file, I don't know how to do, and gots errors. > > This is my try on this feature, rewrite /etc/network/interfaces like this > > iface eth0 inet static > > address 172.18.8.211 > > netmask 255.255.255.0 > > ########## management network policy routing rules > > # management port up rules > > up ip -4 link add mgmtvrf type vrf table 10 > > up ip -4 link set dev mgmtvrf up > > up ip -4 link set dev eth0 master mgmtvrf > > up ip -4 route add default via 172.18.8.1 dev eth0 table 10 > > up ip -4 route add 172.18.8.0/24 dev eth0 table 10 > > up ip -4 rule add from 172.18.8.211/32 table 10 > > post-up sysctl -w net.ipv4.tcp_l3mdev_accept=1 > > # management port down rules > > down ip -4 route delete default via 172.18.8.1 dev eth0 table 10 > > down ip -4 route delete 172.18.8.0/24 dev eth0 table 10 > > down ip -4 rule delete from 172.18.8.211/32 table 10 > > down ip -4 link set dev eth0 nomaster > > > This is errors I got > > > Dec 29 02:38:48 dut211 ifup[8690]: RTNETLINK answers: File exists That means "defining something twice is not allowed". See if you can find what is being defined for a second time. > > Dec 29 02:38:48 dut211 ifup[8690]: ifup: failed to bring up eth0 > > Dec 29 02:38:48 dut211 systemd[1]: networking.service: Main process exited, > > code=exited, status=1/FAILURE > > Dec 29 02:38:48 dut211 systemd[1]: Failed to start Raise network interfaces. > > -- Subject: Unit networking.service has failed > > -- Defined-By: systemd > > -- Support: https://www.debian.org/support > > -- > > -- Unit networking.service has failed. > > -- > > -- The result is failed. > > Dec 29 02:38:48 dut211 systemd[1]: networking.service: Unit entered failed > > state. > > Dec 29 02:38:48 dut211 systemd[1]: networking.service: Failed with result > > 'exit-code???. > > > Thank you. > Groeten Geert Stappers -- Leven en laten leven
