82598EB Datasheet, PDF (423/596 Pages) Intel Corporation – Intel® 82598EB 10 Gigabit Ethernet Controller Datasheet

Intel^® 82598EB 10 GbE Controller - Pass-Through Multi-Port Modes
Figure 5-2. L2 Packet Filtering (Receive)
5.3.3.2.2.1 VLAN Filtering
Figure 5-3 shows the manageability VLAN filtering. A receive packet that passed L2 layer filtering
successfully is then subjected to VLAN header filtering:
• If the packet does not have a VLAN header and 82598EB is not configured to receive only VLAN
packets, it passes to the next filtering stage (manageability filtering).
• If the packet has a VLAN header and it passes a valid manageability VLAN filter and 82598EB is
configured to receive VLAN packets, it passes to the next filtering stage (manageability filtering).
• If the packet has a VLAN header, manageability is configured to receive VLAN packets, and it
matches an enabled host VLAN filter, the packet is forwarded to the next filtering stage
(manageability filtering).
• Otherwise, the packet is dropped.
The BMC configures 82598EB with up to eight different manageability VLAN IDs (VIDs) via the
Management VLAN Tag Filters (see Section 5.3.3.2.2.1).
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