Default Settings For Flex Link - Cisco nexus 5000 series Configuration Manual

Configuring Flex Links
• Neither of the links can be a port that belongs to an EtherChannel. However, you can configure two port
• STP is disabled on Flex Link ports. A Flex Link port does not participate in STP, even if the VLANs
• Do not configure any STP features (for example, PortFast, BPDU Guard, and so forth) on Flex Links
• vPC is not supported. Flex Link is used in place of vPC where configuration simplicity is desired and
• MVR configuration on Flex Link ports is not supported.
Flex links cannot be configured on the following interface types:
• FEX fabric ports and FEX host ports
• FCoE (vFC) interfaces
• VNTAG (vETH) interfaces
• Interfaces with port security enabled
• Layer 3 interfaces
• SPAN destinations
• Port channel members
• Interfaces configured with Private VLANs
• Interfaces in end node mode
• Fabric path core interfaces (Layer 2 multipath)

Default Settings for Flex Link

Table 15: Flex Link Default Parameter Settings
Parameter
Multicast Fast-Convergence
Preemption mode
Preemption delay
OL-25842-01
channels (EtherChannel logical interfaces) as Flex Links, and you can configure a port channel and a
physical interface as Flex Links, with either the port channel or the physical interface as the active link.
present on the port are configured for STP. When STP is not enabled, be sure that there are no loops in
the configured topology.
ports or the ports to which the links connect.
there is no need for active-active redundancy.
Cisco Nexus 5000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.1(3)N1(1)
Default Settings for Flex Link
Definition
Disabled
Off
35 seconds
231