Users Guide

NOTE: When you deploy multiple FCFs, a downstream Intel Ethernet CNA X520 may transmit FIP and
FCoE traffic only on the last VLAN ID that it received through FIP VLAN discovery.
Figure 41. FIP Discovery and Login Between an ENode and an FCF
FIP Snooping on Ethernet Bridges
In a converged Ethernet network, intermediate Ethernet bridges can snoop on FIP packets during the login
process on an FCF. Then, using ACLs, a transit bridge can permit only authorized FCoE traffic to transmit
between an FCoE end-device and an FCF. An Ethernet bridge that provides these functions is called a FIP
snooping bridge (FSB).
NOTE: When you enable FCoE transit on an S5000, the switch functions as a FIP snooping bridge.
On a FIP snooping bridge, ACLs are created dynamically as FIP login frames are processed. The ACLs are
installed on switch ports configured for ENode mode for server-facing ports and FCF mode for a trusted port
directly connected to an FCF.
FCoE Transit 391