Layer 2 filters can be used to loop back traffic or set up a traffic policy based on specific characteristics such as Ethernet header settings, VLAN settings and DSCP for Layer 2 filters.
To set up an L2 filter Job
-
Access the page Commission â–¶ Jobs.
-
Set all common configuration job settings, as described in "Creating Configuration Jobs in GUI Mode" and in "Creating Configuration Jobs Using Data Sets".
-
Select L2 filter in the left pane. The L2 filter tab is displayed.
-
Complete all fields in the L2 Filter tab as required. For more information on specific
parameters, see the table below. -
Use the Add
button or Duplicate
button to add L2 filters as required.
Note: When duplicating a row, always select the row to duplicate before clicking
the Duplicate button.
-
Click Apply, then click Close.
-
Click the Refresh button
to refresh the user interface.
L2 Filter Tab (Commission â–¶ Jobs)
Filter General
| Parameter | Description |
|---|---|
| Name | Unique name to identify the filter. |
Ethernet Header Settings
| Parameter | Description |
|---|---|
| Destination MAC Mask |
The destination MAC address and mask. Only the bits specified by the mask are used; the other bits are ignored. Address Format: Six pairs of hexadecimal digits,separated by colons (xx:xx:xx:xx:xx:xx). |
| Source MAC Mask |
The source MAC address and mask. Only the bits specified by the mask are used; the other bits are ignored. Address Format: Six pairs of hexadecimal digits,separated by colons (xx:xx:xx:xx:xx:xx). |
| Encapsulated Ethertype | Protocol may be selected or entered manually (hexadecimal):
|
| Custom | Custom Ethertype. This parameter is valid only if the Encapsulated Ethertype is set to Custom. |
| VLAN stack size | Double-click in this field to change the value. Allows you to filter based on the number of VLAN tags in the packet. |
VLAN and VLAN-in-VLAN Settings
| Parameter | Description |
|---|---|
| Ethertype | The VLAN Ethernet Type may be one of the following:
|
| CFI/DEI | The Canonical Format Indicator (CFI) or the Drop Eligibility Indicator (DEI). This value should always be set to zero for connections to Ethernet switches. CFI is used to ensure compatibility between Ethernet type networks and Token Ring type networks. If a frame received at an Ethernet port has a CFI set to 1, the frame should not be forwarded as-is to an untagged port. In the context of bandwidth regulation, DEI can be used to carry the frame color. When set to 0, the frame is green; when set to 1, the frame is yellow. |
| Priority Condition | Double-click in this field to select an operator to be used with the Priority Min or Priority Max field. VLAN priority allows provisioning CoS prioritization using the standard 802.1Q priority tag. Interpreting the priorities is based on the carrier's equipment and administrative policies. The valid operator types are:
|
| Priority Min | Priority minimum value. 0 to 7 |
| Priority Max | Priority maximum value. 0 to 7 |
| Operator | Double-click in this field to select an operator to be used with the ID initial. Only "Equal to" is supported with a single VLAN ID. Taken together, these fields (Operator and ID initial) define the valid VLAN ID values. The valid operator types are:
|
| ID initial | The VLAN ID minimum value. Acceptable values range from 0 to 4,095. |
| ID last | The VLAN ID maximum value. Acceptable values range from 0 to 4,095. |
DSCP/IP Precedence
| Parameter | Description |
|---|---|
| Type | The DSCP/IP type may be one of the following:
|
| Condition | The DSCP/IP precedence operator. The valid operator types are:
|
| ID initial | The DSCP/IP precedence minimum value. DSCP range: 0 to 63 IP precedence range: 0 to 7 |
| ID last | The DSCP/IP precedence maximum value. DSCP range: 0 to 63 IP precedence range: 0 to 7 |
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