VIRATA ATMOS Console, Справочник по командам

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portfilter
46 ATMOS Console Commands Reference Manual (Binary) DO-008530-PS, Draft B (26th April 2001)
4.10 portfilter
4.10.1 Syntax
portfilter [<source port> all|<destination ports>]
4.10.2 Description
The portfilter command allows control over the bridge’s forwarding and
broadcasting behaviour. By default, when a multicast or an unknown
packet is received on a port (referred to above as the source port), it will
be forwarded to all other bridge ports (referred to above as the
destination ports).
Each bridge port may have its behaviour modified separately. The first
example below configures the bridge so that packets arriving on port 2
will only be forwarded to ports 3, 4 and 5, and packets arriving on port
3 will only be forwarded to port 1. All other ports retain their default
behaviour.
Note that this command does not force packets arriving on the source
port to be sent to all specified destination ports. The bridge retains its
learning behaviour, so unicast packets, once their destination is known
to the bridge, will still only be sent to one port. Note also that the bridge
itself (for example when attached to the IP router) will always forward
to all ports, and will always be forwarded to by all ports.
The default behaviour can be restored by calling this command with the
argument
all , as shown in the second example.
The ports are specified as integers, as displayed by the device list
command. When using this command in the initbridge configuration
file, ports are numbered in the order in which the
device add commands
are given, starting from 1.
If no arguments are given, the current settings for each port are
displayed.
4.10.3 Example 1
portfilter 2 3 4 5
portfilter 3 1