Netgear GS516TP Software Administration Manual - Page 91

Forwarding Database, Address Table

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GS516TP Gigabit Smart Switches Forwarding Database The forwarding database maintains a list of MAC addresses after having received a packet from this MAC address. The transparent bridging function uses the forwarding database entries to determine how to forward a received frame. From the Address Table link, you can access features described in the following sections: • Address Table • Dynamic Address Configuration Address Table The Address Table contains information about unicast entries for which the switch has forwarding or filtering information. The transparent bridging function uses this information in determining how to propagate a received frame. Use the search function of the Address Table screen to display information about the entries in the table.  To search for an entry in the MAC Address Table: 1. Select Switching > Address Table > Basic > Address Table. 2. In the Search By field, select whether to search for MAC addresses by MAC address, VLAN ID, or interface. • MAC Address: Select MAC Address and enter a 6-byte hexadecimal MAC address in 2-digit groups separated by colons, then click GO. If the address exists, that entry is displayed. An exact match is required. • VLAN ID: Select VLAN ID and enter the VLAN ID, for example, 100. Then click GO. If any entries with that VLAN ID exist they are displayed. • Interface: Select Interface, enter the interface ID in g1, g2... format, then, click GO. If any entries learned on that interface exist, they are displayed. Click CLEAR to clear dynamic MAC addresses in the table. The following table describes the information available for each entry in the address table. Table 23. MAC Address Table Fields. Field VLAN ID MAC Address Description Specifies the VLAN ID on which the IGMP snooping querier is administratively enabled and for which the VLAN exists in the VLAN database. A unicast MAC address for which the switch has forwarding or filtering information. The format is a 6-byte MAC address with each byte separated by colons. For example, 00:0F:89:AB:CD:EF. 91

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91
GS516TP Gigabit Smart Switches
Forwarding Database
The forwarding database maintains a list of MAC addresses after having received a packet
from this MAC address. The transparent bridging function uses the forwarding database
entries to determine how to forward a received frame.
From the Address Table link, you can access features described in the following sections:
•
Address Table
•
Dynamic Address Configuration
Address Table
The Address Table contains information about unicast entries for which the switch has
forwarding or filtering information. The transparent bridging function uses this information in
determining how to propagate a received frame. Use the search function of the Address
Table screen to display information about the entries in the table.
To search for an entry in the MAC Address Table:
1.
Select
Switching > Address Table > Basic > Address Table
.
2.
In the Search By field, select whether to search for MAC addresses by MAC address, VLAN
ID, or interface.
•
MAC Address
: Select MAC Address and enter a 6-byte hexadecimal MAC address
in 2-digit groups separated by colons, then click
GO
. If the address exists, that entry is
displayed. An exact match is required.
•
VLAN ID
: Select VLAN ID and enter the VLAN ID, for example, 100. Then click
GO
. If
any entries with that VLAN ID exist they are displayed.
•
Interface
: Select Interface, enter the interface ID in g1, g2... format, then, click
GO
. If
any entries learned on that interface exist, they are displayed.
Click
CLEAR
to clear dynamic MAC addresses in the table.
The following table describes the information available for each entry in the address table.
Table 23.
MAC Address Table Fields.
Field
Description
VLAN ID
Specifies the VLAN ID on which the IGMP snooping querier is
administratively enabled and for which the VLAN exists in the VLAN
database.
MAC Address
A unicast MAC address for which the switch has forwarding or filtering
information. The format is a 6-byte MAC address with each byte separated
by colons. For example, 00:0F:89:AB:CD:EF.