Fip Snooping In A Switch Stack; Using Fip Snooping; Fip Snooping Prerequisites - Dell C9000 Series Networking Configuration Manual

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To provide more port security on ports that are directly connected to an FCF and have links to other FIP

snooping bridges, set the FCF or Bridge-to-Bridge Port modes.

To ensure that they are operationally active, check FIP snooping-enabled VLANs.

Process FIP VLAN discovery requests and responses, advertisements, solicitations, FLOGI/FDISC requests

and responses, FLOGO requests and responses, keep-alive packets, and clear virtual-link messages.

FIP Snooping in a Switch Stack

FIP snooping supports switch stacking as follows:

A switch stack configuration is synchronized with the standby stack unit.

Dynamic population of the FCoE database (ENode, Session, and FCF tables) is synchronized with the

standby stack unit. The FCoE database is maintained by snooping FIP keep-alive messages.

In case of a failover, the new master switch starts the required timers for the FCoE database tables.

Timers run only on the master stack unit.

There are four steps to configure FCoE transit.

Enable the FCoE transit feature on a switch to maintain FIP snooping information on the switch.

Enable FIP snooping globally on all Virtual Local Area Networks (VLANs) or individual VLANs on a FIP

snooping bridge.

Configure the FC-Map value applied globally by the switch on all VLANs or an individual VLAN.

Configure FCF mode for a FIP snooping bridge-to-FCF link.

For a sample FIP snooping configuration, refer to

Statisical information is available for FIP Snooping-related information. For available commands, refer to the

FCoE Transit chapter in the Dell Networking OS Command Line Reference Guide.

Before you enable FCoE transit and configure FIP snooping on a switch, ensure that certain conditions are

A FIP snooping bridge requires data center bridging exchange protocol (DCBx) and priority-based flow

control (PFC) to be enabled on the switch for lossless Ethernet connections (refer to the

Data Center Bridging (DCB)

selection (ETS); however, ETS is recommended but not required.

If you enable DCBx and PFC mode is on (PFC is operationally up) in a port configuration, FIP snooping is

operational on the port. If the PFC parameters in a DCBx exchange with a peer are not synchronized, FIP and

FCoE frames are dropped on the port after you enable the FIP snooping feature.

For VLAN membership, you must:

FIP Snooping Configuration

chapter). Dell Networking recommends also enabling enhanced transmission

FCoE Transit