Cisco UCS FCoE Multihop Configuration

3Anetwork.com keeps regular stock of Cisco SFP-10G-SR, Cisco 10GBASE-SR Module SFP-10G-SR supports a link length of 26m on standard Fiber Distributed Data Interface (FDDI)-grade multimode fiber (MMF). Using 2000MHz*km MMF (OM3), up to 300m link lengths are possible. Using 4700MHz*km MMF (OM4), up to 400m link lengths are possible.

Cable up 2 additional twinax cables in each Fabric, doesn’t have to be twinax but that is the most cost effective way to go. You can also use 10G-SR SFPs and LC/LC fibre.

Configure an FCoE VLAN on Nexus:

This must be a new VLAN

Must be the same FCoE VLAN used in UCS for the current VSANs

Must only exist on the Nexus switch for which the VSAN is on. For example in the diagram above VLAN 100 only exists on Fabric A Nexus and VLAN 101 only exists on Fabric B Nexus.

Prune the FCoE VLANs from all trunks except for the FCoE port channels, this includes the vPC peer link.

Map the VLAN to the VSAN

Create a Virtual FC interface (vfc)

Add the vfc to the appropriate VSAN

Bind the vfc to the FCoE port channel

Two or more cables required for the NE020 (typically using SFP+ connectors)

Intel states support for Windows Server 2012 SMB Direct and Kernel-mode RDMA capabilities on the following adapter models:

NetEffect™ Ethernet Server Cluster Adapter CX4 (Dover)

NetEffect™ Ethernet Server Cluster Adapter SFP+SR (Argus)

NetEffect™ Ethernet Server Cluster Adapter DA (Argus)

For more Cisco GLC-T information please click here