  OPENVSWITCH TUNNELING COMMANDS
These commands query and modify OVS tunnel components.

ovs/route/add ipv4_address/plen output_bridge [GW]
    Adds ipv4_address/plen route to vswitchd routing table. output_bridge needs to be OVS bridge name. This command is useful if OVS cached routes does not look right.

ovs/route/show
    Print all routes in OVS routing table, This includes routes cached from system routing table and user configured routes.

ovs/route/del ipv4_address/plen
    Delete ipv4_address/plen route from OVS routing table.

tnl/neigh/show

tnl/arp/show
    OVS builds ARP cache by snooping are messages. This command shows ARP cache table.

tnl/neigh/set bridge ip mac

tnl/arp/set bridge ip mac
    Adds or modifies an ARP cache entry in bridge, mapping ip to mac.

tnl/neigh/flush

tnl/arp/flush
    Flush ARP table.

tnl/neigh/aging [seconds]

tnl/arp/aging [seconds]
    Changes the aging time. The accepted values of seconds are between 1 and 3600. The new entries will get the value as specified in seconds. For the existing entries, the aging time is updated only if the current expiration is greater than seconds.

    If used without arguments, it prints the current aging value.

tnl/egress_port_range [num1] [num2]
    Set range for UDP source port used for UDP based Tunnels. For example VxLAN. If case of zero arguments this command prints current range in use.