дамп трафика из порта Open vSwitch с помощью tcpdump (Dump traffic from an Open vSwitch port using tcpdump.)
Имя (Name)
ovs-tcpdump - Dump traffic from an Open vSwitch port using
tcpdump.
Синопсис (Synopsis)
ovs-tcpdump -i port tcpdump options...
Описание (Description)
ovs-tcpdump creates switch mirror ports in the ovs-vswitchd
daemon and executes tcpdump to listen against those ports. When
the tcpdump instance exits, it then cleans up the mirror port it
created.
ovs-tcpdump will not allow multiple mirrors for the same port. It
has some logic to parse the current configuration and prevent
duplicate mirrors.
The -i option may not appear multiple times.
It is important to note that under Linux based kernels, tap
devices do not receive packets unless the specific tuntap device
has been opened by an application. This requires CAP_NET_ADMIN
privileges, so the ovs-tcpdump command must be run as a user with
such permissions (this is usually a super-user).
Параметры (Options)
-h
--help Prints a brief help message to the console.
-V
--version
Prints version information to the console.
--db-sock
The Open vSwitch database socket connection string. The
default is unix:/usr/local/var/run/openvswitch/db.sock
--dump-cmd
The command to run instead of tcpdump.
-i
--interface
The interface for which a mirror port should be created,
and packets should be dumped.
--mirror-to
The name of the interface which should be the destination
of the mirrored packets. The default is miINTERFACE
--span If specified, mirror all ports (optional).
Смотри также (See also)
ovs-appctl(8), ovs-vswitchd(8), ovs-pcap(1), ovs-tcpundump(1),
tcpdump(8), wireshark(8).
