Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 396
FIP Snooping on Ethernet Bridges, Port-based ACLs, FCoE-generated
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Figure 37. 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 be transmitted between an FCoE end-device and an FCF. An Ethernet bridge that provides these functions is called a FIP snooping bridge (FSB). 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. Enable FIP snooping on the switch, configure the FIP snooping parameters, and configure CAM allocation for FCoE. When you enable FIP snooping, all ports on the switch by default become ENode ports. Dynamic ACL generation on the switch operating as a FIP snooping bridge function as follows: Port-based ACLs FCoE-generated ACLs These ACLs are applied on all three port modes: on ports directly connected to an FCF, server-facing ENode ports, and bridge-to-bridge links. Port-based ACLs take precedence over global ACLs. These take precedence over user-configured ACLs. A user-configured ACL entry cannot deny FCoE and FIP snooping frames. 396 FCoE Transit
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