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Dell Configuration Guide for the S4048–ON System 9.14.2.4

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FCoE Transit Configuration Example

The following illustration shows a 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.

Figure 1. Configuration Example: FIP Snooping on a Switch
Illustration of a configuration example for FIP snooping on a switch.
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:
  • 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 (1/5), on an ENode server-facing port (1/1), 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)

DellEMC(conf)# feature fip-snooping

Example of Enabling FIP Snooping on the FCoE VLAN

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

Example of Enabling an FC-MAP Value on a VLAN

DellEMC(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

DellEMC(conf)# interface tengigabitethernet 1/1
DellEMC(conf-if-te-1/1)# portmode hybrid
DellEMC(conf-if-te-1/1)# switchport
DellEMC(conf-if-te-1/1)# protocol lldp
DellEMC(conf-if-te-1/1-lldp)# dcbx port-role auto-downstream
NOTE A port is enabled by default for bridge-ENode links.

Example of Configuring the FCF-Facing Port

DellEMC(conf)# interface tengigabitethernet 1/5
DellEMC(conf-if-te-1/5)# portmode hybrid
DellEMC(conf-if-te-1/5)# switchport
DellEMC(conf-if-te-1/5)# fip-snooping port-mode fcf
DellEMC(conf-if-te-1/5)# protocol lldp
DellEMC(conf-if-te-1/5-lldp)# dcbx port-role auto-upstream

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

DellEMC(conf)# interface vlan 10
DellEMC(conf-if-vl-10)# tagged tengigabitethernet 1/1
DellEMC(conf-if-vl-10)# tagged tengigabitethernet 1/5
DellEMC(conf-if-te-1/1)# no shut
DellEMC(conf-if-te-1/5)# no shut
DellEMC(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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