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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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FCoE Transit Configuration Example

The following illustration shows an FN IOM switch used as a FIP snooping bridge for FCoE traffic between an ENode (server blade) and an FCF (ToR switch). The ToR switch operates as an FCF and FCoE gateway.

In this example, DCBx and PFC are enabled on the FIP snooping bridge and on the FCF ToR switch. On the FIP snooping bridge, DCBx is configured as follows:
Figure 1. FIP Snooping on an FN IOMSwitch Configuration Example Illustration of a configuration example for FIP snooping on an MXL 10/40GbE switch.
  • A server-facing port is configured for DCBx in an auto-downstream role.
  • An FCF-facing port is configured for DCBx in an auto-upstream or configuration-source role.

The DCBx configuration on the FCF-facing port is detected by the server-facing port and the DCB PFC configuration on both ports is synchronized. For more information about how to configure DCBx and PFC on a port, refer to the Data Center Bridging (DCB) chapter.

The following example shows how to configure FIP snooping on FCoE VLAN 10, on an FCF-facing port (0/50), on an ENode server-facing port (0/1), and to configure the FIP snooping ports as tagged members of the FCoE VLAN enabled for FIP snooping.

Example of Enabling the FIP Snooping Feature on the Switch (FIP Snooping Bridge) 

Dell(conf)# feature fip-snooping

Example of Enabling FIP Snooping on the FCoE VLAN

Dell(conf)# interface vlan 10
                                 Dell(conf-if-vl-10)# fip-snooping enable

Example of Enabling an FC-MAP Value on a VLAN 

Dell(conf-if-vl-10)# fip-snooping fc-map 0xOEFC01
  • NOTE: Configuring an FC-MAP value is only required if you do not use the default FC-MAP value (0x0EFC00).

Example of Configuring the ENode Server-Facing Port 

Dell(conf)# interface tengigabitethernet 0/1
                                 Dell(conf-if-te-0/1)# portmode hybrid
                                 Dell(conf-if-te-0/1)# switchport
  • NOTE: A port is enabled by default for bridge-ENode links.

Example of Configuring the FCF-Facing Port 

Dell(conf)# interface tengigabitethernet 0/11
                                 Dell(conf-if-te-0/11)# portmode hybrid
                                 Dell(conf-if-te-0/11)# switchport
                                 Dell(conf-if-te-0/11)# fip-snooping port-mode fcf

Example of Configuring FIP Snooping Ports as Tagged Members of the FCoE VLAN 

Dell(conf)# interface vlan 10
                                 Dell(conf-if-vl-10)# tagged tengigabitethernet 0/11
                                 Dell(conf-if-te-0/11)# no shut
                                 Dell(conf-if-vl-10)# no shut

After FIP packets are exchanged between the ENode and the switch, a FIP snooping session is established. ACLs are dynamically generated for FIP snooping on the FIP snooping bridge/switch.

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