Enterasys csx5500 用户指南
Central Site Remote Access Switch 269
C
ONFIGURING
A
DVANCED
B
RIDGING
Bridge Filters
R
ESTRICTED
B
RIDGE
M
ODE
If the Restricted Bridge Mode is selected, packets will be discarded unless overridden by a user-
defined bridge filter. The bridge filters, therefore, allow you to transfer only the packets that you
specify.
defined bridge filter. The bridge filters, therefore, allow you to transfer only the packets that you
specify.
If the Restricted Bridge Mode is selected, the following packet forwarding possibilities exist:
•
•
If the packet matches a discard filter (packet filter only), it is discarded.
•
If the packet matches a forward filter, it is forwarded to the distribution list.
•
If the packet matches a connect filter, it is connected to the members of the distribution list.
However, with Restricted Mode, the packet needs to match a forwarding filter in order to be
forwarded.
However, with Restricted Mode, the packet needs to match a forwarding filter in order to be
forwarded.
•
If the packet matches no filter, the specific action for the packet depends upon whether or not
the destination is known. (See following descriptions.)
the destination is known. (See following descriptions.)
No Filter Match - Destination Known
If the destination is known and the corresponding device is on the Known Connect list, the con-
nection is made. If the device is not on the Known Connect list, the packet is discarded.
If the destination is known and the corresponding device is on the Known Connect list, the con-
nection is made. If the device is not on the Known Connect list, the packet is discarded.
No Filter Match - Destination Unknown
The packet is discarded.
The packet is discarded.
B
RIDGE
F
ILTERS
C
ONFIGURING
B
RIDGE
F
ILTERS
Note:
Bridge dial out calls can be initiated through the use of a Known Connect list or through
the use of bridge filters. For a description of bridge dial out through bridge filters, refer to
the section titled
the use of bridge filters. For a description of bridge dial out through bridge filters, refer to
the section titled
.
U
SING
CFGEDIT
1.
Select Bridge Filters from the Bridging menu.
2.
Configure any needed protocol definitions. These definitions will be used if you configure any
protocol filters. To configure a protocol definition:
a.
protocol filters. To configure a protocol definition:
a.
Select to add a protocol definition.
b.
Enter a user-defined name for the protocol definition.
c.
Enter the Ethernet type in hex.
d. Enter the LSAP in hex.
3.
Configure source MAC filters.
a.
a.
Select to add a MAC filter.
b.
Enter the source MAC address.
c.
Select a distribution list.
4.
Configure destination MAC filters.
a.
a.
Select to add a destination MAC filter.
b.
Enter the destination MAC address.
c.
Select a distribution list.