Configuration manual

FCoE Maps
An FCoE map is used to identify the SAN fabric to which FCoE storage traffic is sent. Using an FCoE map,
an MXL 10/40GbE Switch and M I/O Aggregator with the FC Flex IO module NPG operates as an FCoE-
FC bridge between an FC SAN and FCoE network by providing FCoE-enabled servers and switches with
the necessary parameters to log in to a SAN fabric.
An FCoE map applies the following parameters on server-facing Ethernet and fabric-facing FC ports on
the MXL 10/40GbE Switch and M I/O Aggregator with the FC Flex IO module:
• The dedicated FCoE VLAN used to transport FCoE storage traffic.
• The FC-MAP value used to generate a fabric-provided MAC address.
• The association between the FCoE VLAN ID and FC fabric ID where the desired storage arrays are
installed. Each Fibre Channel fabric serves as an isolated SAN topology within the same physical
network.
• The priority used by a server to select an upstream FCoE forwarder (FCF priority)
• FIP keepalive (FKA) advertisement timeout
NOTE:
In each FCoE map, the fabric ID, FC-MAP value, and FCoE VLAN must be unique. Use one FCoE
map to access one SAN fabric. You cannot use the same FCoE map to access different fabrics.
When you configure an MXL 10/40GbE Switch and M I/O Aggregator with the FC Flex IO module as an
NPG, FCoE transit with FIP snooping is automatically enabled and configured using the parameters in the
FCoE map applied to server-facing Ethernet and fabric-facing FC interfaces (see FIP Snooping on an NPIV
Proxy Gateway).
After you apply an FCoE map on an FC port, when you enable the port (no shutdown), the NPG starts
sending FIP multicast advertisements on behalf of the FC port to downstream servers in order to
advertise the availability of a new FCF port on the FCoE VLAN. The FIP advertisement also contains a
keepalive message to maintain connectivity between a SAN fabric and downstream servers.
Configuring an NPIV Proxy Gateway
Prerequisite: Before you configure an NPIV proxy gateway (NPG) with the FC Flex IO module on an MXL
10/40GbE Switch or an M I/O Aggregator, ensure that the following features are enabled.
• DCB is enabled by default with the FC Flex IO module on the MXL 10/40GbE Switch or M I/O
Aggregator.
• Autonegotiated DCBx is enabled for converged traffic by default with the FC Flex IO module Ethernet
ports on all MXL 10/40GbE Switches or M I/O Aggregators.
• FCoE transit with FIP snooping is automatically enabled when you configure Fibre Channel with the
FC Flex IO module on the MXL 10/40GbE Switch or M I/O Aggregator.
To configure an NPG operation with the FC Flex IO module on an MXL 10/40GbE Switch or an M I/O
Aggregator, follow these general configuration steps:
1. Enabling Fibre Channel Capability on the Switch
2. Creating a DCB map
3. Applying a DCB map on server-facing Ethernet ports
FC Flex IO Modules
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