Use the Link Local Protocol Filtering Configuration page to enable or disable the filtering of various proprietary protocols.
To access this page, click
in the navigation menu.Use the buttons to perform the following tasks:
The following table describes the fields available on the Link Local Protocol Filtering Configuration page.
Field | Description |
---|---|
Interface | Identifies the physical or LAG (Link Aggregation Group) interface. |
ISDP | When enabled, the select port blocks ISDP PDUs. |
VTP | When enabled, the select port blocks VTP PDUs. |
DTP | When enabled, the select port blocks DTP PDUs. |
UDLD | When enabled, the select port blocks UDLD PDUs. |
PAGP | When enabled, the select port blocks PAgP PDUs. |
SSTP | When enabled, the select port blocks SSTP PDUs. |
All Protocols | All the above mentioned protocols will be dropped in addition to protocols with a Destination MAC of 01:00:0C:CC:CC:CX. |
When you configure the blocked protocols on the Add LLPF Interface or Edit LLPF Interface page, select the checkbox for each protocol to block, or clear the box to allow the protocol on the selected interface. If you select the All Protocols option, all protocols are blocked whether their associated box is checked or unchecked.
If you change any of the parameters, click Submit to apply the changes to the system. If you want the switch to retain the new values across a power cycle, you must save the configuration.