[ovs-discuss] Help adding ports in ovs-sandbox

[Omar Ramadan]

Hello,


I am using the ovs-sandbox to run ovs-vswitchd in gdb and am having some trouble adding ports to a bridge I've created. The port is added to the bridge, however the link state is down and neither the bridge nor the added port appear in the list of system interfaces. Therefore, it isn't able to process any traffic.


root at magma-dev:/home/vagrant/ovs/tutorial# ovs-vsctl -V

ovs-vsctl (Open vSwitch) 2.8.0

DB Schema 7.15.0

root at magma-dev:/home/vagrant/ovs/tutorial# uname -a
Linux magma-dev 4.9.0-4-amd64 #1 SMP Debian 4.9.51-1 (2017-09-28) x86_64 GNU/Linux


root at magma-dev:/home/vagrant/ovs/tutorial# ovs-vsctl add-port gtp_br0 gtp0 -- set interface gtp0 ofport_request=32768 type=gtp option:remote_ip=flow options:key=flow


root at magma-dev:/home/vagrant/ovs/tutorial# ovs-ofctl show gtp_br0

OFPT_FEATURES_REPLY (xid=0x2): dpid:0000cedec4698b43

n_tables:254, n_buffers:0

capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP

actions: output enqueue set_vlan_vid set_vlan_pcp strip_vlan mod_dl_src mod_dl_dst mod_nw_src mod_nw_dst mod_nw_tos mod_tp_src mod_tp_dst

 32768(gtp0): addr:aa:55:aa:55:00:1b

     config:     PORT_DOWN

     state:      LINK_DOWN

     speed: 0 Mbps now, 0 Mbps max

 LOCAL(gtp_br0): addr:ce:de:c4:69:8b:43

     config:     PORT_DOWN

     state:      LINK_DOWN

     speed: 0 Mbps now, 0 Mbps max

OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0


root at magma-dev:/home/vagrant/ovs/tutorial# ip a

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host

       valid_lft forever preferred_lft forever

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master unmanaged_br0 state UP group default qlen 1000

    link/ether 08:00:27:06:49:4f brd ff:ff:ff:ff:ff:ff

3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

    link/ether 08:00:27:f4:93:02 brd ff:ff:ff:ff:ff:ff

    inet 192.168.60.142/24 brd 192.168.60.255 scope global eth1

       valid_lft forever preferred_lft forever

    inet6 fe80::a00:27ff:fef4:9302/64 scope link

       valid_lft forever preferred_lft forever

4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

    link/ether 08:00:27:67:d7:c8 brd ff:ff:ff:ff:ff:ff

    inet 42.42.42.1/24 brd 42.42.42.255 scope global eth2

       valid_lft forever preferred_lft forever

    inet6 fe80::a00:27ff:fe67:d7c8/64 scope link

       valid_lft forever preferred_lft forever

5: veth0_ovs at veth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

    link/ether a6:0a:c5:a6:f6:d9 brd ff:ff:ff:ff:ff:ff

    inet6 fe80::a40a:c5ff:fea6:f6d9/64 scope link

       valid_lft forever preferred_lft forever

6: veth0 at veth0_ovs: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master unmanaged_br0 state UP group default qlen 1000

    link/ether 0e:62:49:8c:e8:c6 brd ff:ff:ff:ff:ff:ff

7: unmanaged_br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000

    link/ether 08:00:27:06:49:4f brd ff:ff:ff:ff:ff:ff

    inet 10.0.2.15/24 brd 10.0.2.255 scope global unmanaged_br0

       valid_lft forever preferred_lft forever

    inet6 fe80::a00:27ff:fe06:494f/64 scope link

       valid_lft forever preferred_lft forever

Thanks for the help,
Omar






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