Linksys SGE2000 Cisco SGE2000, SGE2000P Gigabit Ethernet Switch Reference Guid - Page 151

Defining Address Tables

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Chapter SGE2000/SGE2000P Gigabit Ethernet Switch Reference Guide 8 Defining Address Tables MAC addresses are stored in either the Static Address or the Dynamic Address databases. A packet addressed to a destination stored in one of the databases is forwarded immediately to the port. The Dynamic Address Table can be sorted by interface, VLAN, and MAC Address. MAC addresses are dynamically learned as packets from sources arrive at the device. Addresses are associated with ports by learning the ports from the frames source address. Frames addressed to a destination MAC address that is not associated with any port, are flooded to all ports of the relevant VLAN. Static addresses are manually configured. In order to prevent the bridging table from overflowing, dynamic MAC addresses, from which no traffic is seen for a certain period, are erased. This section contains information for defining both static and dynamic Forwarding Database entries, and includes the following topics: • Defining Static Addresses • Defining Dynamic Addresses Chapter 8: Defining Address Tables 143

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Chapter 8: Defining Address Tables
SGE2000/SGE2000P Gigabit Ethernet Switch Reference Guide
Chapter
8
Defining Address Tables
MAC addresses are stored in either the Static Address or the Dynamic Address databases. A packet
addressed to a destination stored in one of the databases is forwarded immediately to the port. The
Dynamic Address Table can be sorted by interface, VLAN, and MAC Address. MAC addresses are
dynamically learned as packets from sources arrive at the device. Addresses are associated with ports by
learning the ports from the frames source address. Frames addressed to a destination MAC address that
is not associated with any port, are flooded to all ports of the relevant VLAN. Static addresses are
manually configured. In order to prevent the bridging table from overflowing, dynamic MAC addresses,
from which no traffic is seen for a certain period, are erased.
This section contains information for defining both static and dynamic Forwarding Database entries, and
includes the following topics:
Defining Static Addresses
Defining Dynamic Addresses