ProCurve 2610-PWR Technical Information Page 37

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Static Virtual LANs (VLANs)
Port-Based Virtual LANs (Static VLANs)
showing the (different) source VLAN and source port. Other switch models
have a single-forwarding database, which means they allow only one data-
base entry of a unique MAC address, along with the source VLAN and source
port on which it is found (see Table 2-6). Not all VLANs on a switch covered
by this guide use the same MAC address (see “VLAN MAC Addresses” on page
2-39). Connecting multiple-forwarding database switch to a single-forwarding
database switch where multiple VLANs exist imposes some cabling and port
VLAN assignment restrictions. Table 2-6 illustrates the functional difference
between the two database types.
Table 2-6. Example of Forwarding Database Content
Multiple-Forwarding Database Single-Forwarding Database
MAC Address Destination
VLAN ID
Destination
Port
MAC Address Destination
VLAN ID
Destination
Port
0004ea-84d9f4 1 A5 0004ea-84d9f4 100 A9
0004ea-84d9f4 22 A12 0060b0-880af9 105 A10
0004ea-84d9f4 44 A20 0060b0-880a81 107 A17
0060b0-880a81 33 A20
This database allows multiple destinations This database allows only one destination
for the same MAC address. If the switch for a MAC address. If the switch detects a
detects a new destination for an existing new destination for an existing MAC entry,
MAC entry, it just adds a new instance of that it replaces the existing MAC instance with
MAC to the table. a new instance showing the new
destination.
Table 2-7 lists the database structure of current ProCurve switch models.
Table 2-7. Forwarding Database Structure for Managed ProCurve Switches
Multiple-Forwarding Databases* Single-Forwarding Database*
Switch 8200zl Switch 1600M/2400M/2424M
Switch 6108 Switch 4000M/8000M
Switch 5400zl Series 2500 switches
Series 5300xl switches Switch 800T
Series 4100gl switches Switch 2000
Series 3400cl switches Switch 800T
Series 2810 switches Switch 2000
Series 2800 switches
Series 2610/2610-PWR switches
2-11
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