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Important Points to Remember
• Enable DCBx on the switch before enabling the FIP Snooping feature.
• To enable the feature on the switch, configure FIP Snooping.
• To allow FIP frames to pass through the switch on all VLANs, enable FIP snooping globally on a
switch.
• A switch can support a maximum eight VLANs. Configure at least one FCF/bridge-to-bridge port
mode interface for any FIP snooping-enabled VLAN.
• You can configure multiple FCF-trusted interfaces in a VLAN.
• When you disable FIP snooping:
– ACLs are not installed, FIP and FCoE traffic is not blocked, and FIP packets are not processed.
– The existing per-VLAN and FIP snooping configuration is stored. The configuration is re-applied
the next time you enable the FIP snooping feature.
• You must apply the CAM-ACL space for the FCoE region before enabling the FIP-Snooping feature. If
you do not apply CAM-ACL space, the following error message is displayed:
Dell(conf)#feature fip-snooping
% Error: Cannot enable fip snooping. CAM Region not allocated for Fcoe.
Dell(conf)#
NOTE: Manually add the CAM-ACL space to the FCoE region as it is not applied by default.
To support FIP-Snooping and set CAM-ACL in the Z9500 switch, usecam-acl l2acl 4 ipv4acl 4
ipv6acl 0 ipv4qos 2 l2qos 1 l2pt 0 ipmacacl 0 vman-qos 0 ecfmacl 0 fcoeacl 2
iscsioptacl 0
command.
CAM ACL Table
-- Chassis Cam ACL --
Current Settings(in block sizes)
1 block = 128 entries
L2Acl : 4
Ipv4Acl : 4
Ipv6Acl : 0
Ipv4Qos : 2
L2Qos : 1
L2PT : 0
IpMacAcl : 0
VmanQos : 0
VmanDualQos : 0
EcfmAcl : 0
FcoeAcl : 2
iscsiOptAcl : 0
ipv4pbr : 0
vrfv4Acl : 0
Openflow : 0
fedgovacl : 0
nlbclusteracl: 0
st-sjc-s5000-29#
FCoE Transit
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