Chapter 3: Terminal Menu Operation and Structure
DLCI Mapping/Filters
The Express L768/L1.5 can block packets in and out of a PVC port by use of the filters. They are set up in two steps: 1) define the types of packets that would be of interest in the Configuration/Security/Filter Defines menu, and
2)set up the filter type and combination of defines that will cause a packet block.
Filters/In from PVC Write security: 2; Read security: 5
The packets which come into the Express L768/L1.5 via this PVC can be fil- tered in three ways:
Disabled (def) - Turns off packet input filtering. No incoming packets from this PVC are blocked.
Block All - All incoming packets from this PVC are blocked except as defined in the Filters/In Exceptions list.
Forward All - All incoming packets from this PVC are not blocked except as defined in the Filters/In Exceptions list.
Filters/In Exceptions
Write security: 2; Read security: 5
This is a list of up to 32 filter entries which can be combined using the opera- tions field. The operations are performed in the order they appear on the list.
Active - Turns this entry active when set to On.
Type - Selects the filter define list to reference:
MAC | - | from the Configuration/Security/Filter |
|
| Defines/MAC Filter Defines list. |
Pattern | - | from the Configuration/Security/Filter |
|
| Defines/Pattern Filter Defines list. |
IP | - | from the Configuration/Security/Filter |
|
| Defines/IP Filter Defines list. |
IPX | - | from the Configuration/Security/Filter |
|
| Defines/IPX Filter Defines list. |
Filter List Name - Selects between filters defined in the list.
54 | Express L768/L1.5 User Manual |
