[ovs-discuss] Basic Connectivity Problem

[Sergio Kviato]

Hello,

please show output of 'ovs-ofctl dump-flows br0'

maybe you do not setup any flows?

On May 25, 2012, at 9:40 PM, Volkan YAZICI wrote:

> Hi!
> 
> After sleepless >48 hours, I might be missing something obvious
> but I could not make an OVS 1.4.1 switch working on a particular
> machine. Below are the diagnostics.
> 
> --8<---------------cut here---------------start------------->8---
> $ lsmod | grep openv
> openvswitch_mod        52448  1
> 
> $ ps afx | grep sbin/ovs
> 1557 ?        Ss     0:00 /home/vyazici/usr-openvswitch/sbin/ovsdb-server --remote=punix:/home/vyazici/usr-openvswitch/var/run/openvswitch/db.sock --remote=db:Open_vSwitch,manager_options --detach
> 
> $ ~/usr-openvswitch/bin/ovs-vsctl show
> c69614a4-5a84-4f85-abe2-d1228614a592
>    Bridge "br0"
>        fail_mode: standalone
>        Port "eth1"
>            Interface "eth1"
>        Port "br0"
>            Interface "br0"
>                type: internal
>        Port "eth3"
>            Interface "eth3"
>        Port "eth2"
>            Interface "eth2"
> 
> $ sudo ~/usr-openvswitch/sbin/ovs-vswitchd
> May 25 21:42:21|00001|reconnect|INFO|unix:/home/vyazici/usr-openvswitch/var/run/openvswitch/db.sock: connecting...
> May 25 21:42:21|00002|reconnect|INFO|unix:/home/vyazici/usr-openvswitch/var/run/openvswitch/db.sock: connected
> May 25 21:42:21|00003|bridge|INFO|created port eth1 on bridge br0
> May 25 21:42:21|00004|bridge|INFO|created port eth2 on bridge br0
> May 25 21:42:21|00005|bridge|INFO|created port eth3 on bridge br0
> May 25 21:42:21|00006|bridge|INFO|created port br0 on bridge br0
> May 25 21:42:21|00007|ofproto|INFO|using datapath ID 0000002320c75427
> May 25 21:42:21|00008|ofproto|INFO|datapath ID changed to 0000000000000001
> 
> $ sudo ethtool eth1
> Settings for eth1:
>        Supported ports: [ TP MII ]
>        Supported link modes:   10baseT/Half 10baseT/Full
>                                100baseT/Half 100baseT/Full
>                                1000baseT/Half 1000baseT/Full
>        Supports auto-negotiation: Yes
>        Advertised link modes:  10baseT/Half 10baseT/Full
>                                100baseT/Half 100baseT/Full
>                                1000baseT/Half 1000baseT/Full
>        Advertised pause frame use: No
>        Advertised auto-negotiation: Yes
>        Link partner advertised link modes:  10baseT/Half 10baseT/Full
>                                             100baseT/Half 100baseT/Full
>        Link partner advertised pause frame use: No
>        Link partner advertised auto-negotiation: Yes
>        Speed: 100Mb/s
>        Duplex: Full
>        Port: MII
>        PHYAD: 0
>        Transceiver: internal
>        Auto-negotiation: on
>        Supports Wake-on: pumbg
>        Wake-on: g
>        Current message level: 0x00000033 (51)
>        Link detected: yes
> 
> $ sudo ethtool eth2
> Settings for eth2:
>        Supported ports: [ TP MII ]
>        Supported link modes:   10baseT/Half 10baseT/Full
>                                100baseT/Half 100baseT/Full
>                                1000baseT/Half 1000baseT/Full
>        Supports auto-negotiation: Yes
>        Advertised link modes:  10baseT/Half 10baseT/Full
>                                100baseT/Half 100baseT/Full
>                                1000baseT/Half 1000baseT/Full
>        Advertised pause frame use: No
>        Advertised auto-negotiation: Yes
>        Link partner advertised link modes:  10baseT/Half 10baseT/Full
>                                             100baseT/Half 100baseT/Full
>        Link partner advertised pause frame use: No
>        Link partner advertised auto-negotiation: Yes
>        Speed: 100Mb/s
>        Duplex: Full
>        Port: MII
>        PHYAD: 0
>        Transceiver: internal
>        Auto-negotiation: on
>        Supports Wake-on: pumbg
>        Wake-on: g
>        Current message level: 0x00000033 (51)
>        Link detected: yes
> --8<---------------cut here---------------end--------------->8---
> 
> On eth1 and eth2, there are two notebooks connected to the switch
> machine. And their network interfaces are set to 192.168.4.1/24
> and 192.168.4.2/24. Further, connected NIC lights on the switch
> machine are green. But notebooks somehow cannot ping each other.
> What might I be missing?
> 
> 
> Best.
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