Switching
This section describes the Forwarding Database table, which gathers the port’s IP address and MAC address bindings and descriptions of the VLAN Properties, and Assignments used to associate VLAN uplink interfaces within the Switching view.
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Overview - Forwarding Database
The Forwarding Database table is used primarily as a storage database that records the bindings of a port’s IP address and the matching device’s unique MAC address learned by the system, which works like a Matrix that compares and then links the 2 addresses together.
The table stores the locations of device(s) using the IP/ MAC address binding. Considering this association, the user can easily locate a defective or errant device (wherever attacks originate), anywhere on the network using the information in the Forwarding DB table.
The purpose of the Forwarding Database table is twofold:
- to locate a specific device that exists on the network and
- to repair or remove a compromised device after locating it, thereby preventing any further snooping or unwanted attacks on the switch.
Using the Forwarding Database
Querying capabilities on the Forwarding DB table consist of entering one or more filters to generate the searching mechanism to display IP/MAC address data using the specific Port AID number, MAC address and IP Address used to populate a set amount of data.
The following information relative to the Forwarding Database table is described in the table below.
| Forwarding DB Fields | Description |
|---|---|
| Port AID | Displays the Port AID used for this port sub-string. Field length is limited to xx characters. Example: ETH1-1-2-2 |
| ONT label | Displays the name associated with the ONT. |
| MAC Address | Displays the MAC Address for this sub-string. Field length is limited to xx characters. |
| IP Address | Displays the IP Address for this sub-string. Field length is limited to xx characters. Example: 172.25.123.45 Note: There can be up to 4 IP address bindings per MAC address and is displayed a1s 4 entries. The IP address may be blank if no binding is learned by the system. |
| VLAN | Identifies the VLAN number. Example: 2000 |
| Sticky MAC? | Indicates whether there is a Sticky MAC associated with the MAC Address (Y/N). Note: If there is a Sticky MAC, it dynamically associates the mac-address to the respective port. |
| MAC Age | Indicates the age of the MAC address. |
| Lease Time | Indicates the amount of time that DHCP snooping is allowed when DAI is used. |
Search and Sort Data
Searching for a specific device identified by the MAC address uses sub-sets of the port’s AID, IP and MAC addresses and the VLAN number provides greater flexibility for managing existing data. Data can be sorted on each column, page by page, when the Forwarding DB table contains multiple pages.
Filters
Multiple filters appear in the Forwarding DB table, which are used to locate a specific device or port.
The user can set up one or more queries using sub-set filters, (i.e., a substring of the MAC address) to enhance search results.
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Access Data
- Add filtering data and/or click on the GET button to access the requested switching data.
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