Hi all, I'm working on SONiC project management vrf function 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 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 > 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. ---- Simon Jones