A nexus 5k supports 24 total connected fex devices, meaning that two 5ks could support 48 total single homed physical fex. In this case nic on server must support lacp so that the two fexs appear as a single switch. Fex topologies for nexus bacon, overlays and virtualization. Nov 19, 2015 in this topology, servers would be dual homed to multiple fex. Nexus 2000 fabric extender technical update how it works.
After discovery, if the fabric extender has been correctly associated with the parent switch, the following operations are performed. Zamic adding a cisco nexus fabric extender to a cisco. Cisco nexus 2000 series fabric extenders from bottom left to top right. With enhanced vpc, you could choose either a single homed fex topology see figure 62 or a dual homed fex topology see figure 63 for a dual homed fex topology example. Cisco nexus 2148t, 2224tp ge, 2248tp ge, and 2232pp 10ge.
In the following cisco data sheet it states that maximum fabric extenders dual homed to a vpc cisco nexus 5000 series or nexus 5500 series switch pair for a nexus 5000 series switch is 12. Server portchannel can only form when each uplink connects to a separate n2k. Cisco nexus 2300 platform fabric extenders data sheet. Jul 29, 2011 using a virtual port channel vpc you can configure topologies where a cisco nexus 2000 series fabric extender is connected to a pair of parent switches or a pair of fabric extender s are connected to a single parent switch. View and download cisco ap775a nexus converged network switch 5010 configuration manual online. Mar 20, 2014 fabric extenders fex overview posted mar 20, 2014, 7. Single homed fabric extender vpc topology cisco nexus 6000 series nxos layer 2 switching configuration guide, release 7. Mar 30, 2016 pimssm source specific multicast and pim bidir bidirectional are not supported with vpc. The vpc can provide multipath connections, which allow you to create redundancy between the nodes on your network. Host vpc dual links and fex single homed port channel mode straight through vpc design is supported in 6. Here is the config on the n9k switch to get the fabric extender up and running. May 30, 2018 cisco fabric extender uplinks toward the parent switch can be configured as port channel connections in order to offer high availability and load sharing.
The lab design architecture components used in this document are. Jan 28, 20 when uplinking to nexus 5ks, one topology option is to dual home the physical fabric extender. Servers will be single homed either through single links or multiplelink portchannels on the same fex. The single homed fex topology is well suited for servers with multiple nics that support 802. The document looks like it is, but nexus story nowadays has been nothing but a mess when it comes to which device supports what. Todays data center servers are either single or dual homed to the network. What is enhanced vpc enhanced vpc is technology that supports the topology where a cisco nexus 2000 fabric extender fex is dual homed to a pair of cisco nexus 5500 series devices while the hosts are also dual homed to a pair of fexs using a vpc. Nexus 2000 series fabric extender singlehomed with one to eight 10 gigabit et. Install pending issu support for vpc topologies with fabric extenders an issu is supported in vpc topologies that include fexs that are connected in dual homed topologies to a parent switch and when the fex is in a single homed topology. The cisco nexus 2000 series fabric extender allows a single switchand a single consistent set of. The fabric extenders are available in several models to provide speed, connectivity, and portdensity options figure 2. This topology consists of a cisco nexus 2000 series. Aug 25, 2019 today i am going to talk about possible scenarios or topologies supported by nexus 2000 fex fabric extender.
Information about the cisco nexus 2000 series fabric extender thecisconexus2000seriesfabricextender,alsoknownasfex,isahighlyscalableandflexibleserver. Shutting down the peer link results in all vpc member ports in the secondary peer become disabled. Im looking for a dual 9500 core vpc peer, with fex dual homed to these cores. In this loopfree topology, aggregation is split between two physical switches, which appear as a single logical switch, and each cisco nexus b22 fabric extender for flex system is connected to both tor switches through static or etherchannel aggregated links. Use enhanced vpc if you want to connect a dualhomed fex to a cisco nexus 5000. The activeactive design allows us to connect serversstoragedevices to a single fex, and utilize the fexs portchannels to each parent switch to provide redundancy.
Design, implement and troubleshoot highly available and redundant topologies for example. However in order to maintain san a san b separation, fcoe traffic must be single homed over the same topology. In this deployment scenario, accesslayer redundancy is achieved through redundant connections between the cisco nexus b22 blade fabric extenders and the cisco nexus parent switches using vpc. Cisco nexus b22 series blade fabric extender for hp table 1 lists the cisco nexus b22 series blade fabric extenders. You can provide network additional resiliency by dualhoming servers into two separate fabric extenders, each of which is single homed to one member of the cisco nexus 5500 series. You have two recommended options when designing the 5k2k deployment, you can do a single homed fabric extender vpc topology or a dual homed fabric extender vpc topology. Today blade servers are typically dual homed to the network. Ap775a nexus converged network switch 5010 switch pdf manual download. N9300n9500 evpc support and dual home fex with nexus 9000. Cisco nexus 2000 series nxos fabric extender configuration. Dell networking and cisco spanning tree interoperability. Blade fabric extender for hp, showing its eight fabric interfaces.
To perform a nondisruptive upgrade, in a vpc environment that has fexs connected to a switch, perform the. Here are the diagrams from the cisco nexus 5000 series nxos layer 2 switching configuration guide. Dualhoming of the cisco nexus 2000 fabric extender topology d requires. This topology consists of a cisco nexus 2000 series fabric extender single homed with one to eight 10 gigabit ethernet links depending on the fabric extender model to a single cisco nexus 5000 series. Nexus 2000 fabric extenders supportedunsupported topologies. Configuring virtual port channels thischapterdescribeshowtoconfigurevirtualportchannelsvpcsoncisconexus5000seriesswitches.
Dualhomed host activestandby and single homed fex port channel mode design. Single homed fabric extender vpc topology youcanconnectaserverwithdualorquadormorenetworkadaptersthatareconfiguredinavpctoapair. In this topology, a server would be connected to a single fex, but could be multi homed to a 2nd fex. Nexus fabric extender 2000 series to its parent cisco nexus 5000 series switch. Fabric extension the cisco nexus 5500 series support the. Cisco nexus b22 blade fabric extender ibm table 1 lists the cisco nexus b22 blade fabric extenders. The document describes the various topologies supported when the nexus 2000 fabric extender switches fex used when it is connected to the parent switches or to the end hosts.
A nexus 2000 series switch, often referred to as a fabric extender or fex. Extender singlehomed with one to four times 10 gigabit ethernet links to a single. Use of a single management entity to support a large server domain allows policy to be enforced more efficiently and enhances layer 2 data center access scalability. It aggregates compute node ports by appearing as a simple passthru device. Fabric extenders in both the cisco nexus b22 series and cisco nexus 2000 series can be mixed and matched to a parent switch to provide a variety of. The various topologies supported when the nexus 2000 fabric extender switches fex is connected to the parent switches or to the end hosts. If the cisco fex is single homed to only one member of the switch pair, it is configured as a standard port channel. Dual homed fabric extender vpc topology the cisco nexus device can support up to 12 configured dual homed fabric extenders with this topology.
Use of the virtual portchannel vpc feature also allows fast convergence and. Use of the virtual portchannel vpc feature also allows fast convergence and effective. Nov 17, 2011 right from the start i thought that dual homed fexes were the way to go, and i was glad that they introduced enhanced vpc before i got too far through the migration. Cisco nexus b22 fabric extender for flex system product guide. May 07, 2012 when you single home your fexes, you must run vpc to the hosts, or use orphanport suspend, which can have some quirks of its own.
A maximum of 576 single homed servers can be connected to this configuration. Fcoe with fabric extender dual homed to cisco nexus 5000 series. Unable to form if both fexs uplink to the same n5k. Host vpc single link and fex single homed static pinning mode. Note that the portchannel number and vpc number can be different, but the vpc number must be the same on both cisco nexus 5000 series switches. Replacing a fabric extender in a single homed fabric extender vpc topology. Using a virtual port channel vpc you can configure topologies where a cisco nexus 2000 series fabric extender is connected to a pair of parent switches or a pair of fabric extender s are connected to a single parent switch. A single point of management and policy enforcement using upstream cisco nexus. The virtual fibre channel vfc interface on each fex must be bound to a single interface and not a port. Upgrading a direct vpc or a single homed fex access layer 49. Obtain the configuration from the peer switch if the configuration synchronization feature was enabled. Cisco nexus b22dell blade fabric extender dell networking. Single homed fabric extender vpc topology cisco nexus 5000 series nxos layer 2 switching configuration guide, release 5.
The servers connecting to the fex can leverage activeactive data plane by using host vpc. In a topology where both vpc peer switches have equal costs to the source, the vpc primary switch wins the assert and forwards multicast traffic for receivers. Data center access design with cisco nexus 5000 series. How to set up cisco nexus fabric extender network computing. Cisco nexus b22 fabric extender for flex system product. Cisco nexus 5600 platform 40gbps switches data sheet. It assumes that you know how to add a cisco nexus 2000 fabric extender to its parent cisco nexus 5000 series switch in a single homed vpc topology. In a vpc topology, when a receiver is connected to a cisco nexus 5500 platform switch or fabric extender fex via vpc, both peer switches initiate a pim s,g join toward the source dr. Jun 17, 20 straghtthrough single homed each fabric extender fex is single homed to one n5k or n7k. Topology c is called straightthrough vpc in which each nexus 2000 fex is connected to one parent nexus 5000 while server is dual homed. Use of the virtual portchannel vpc feature also allows fast convergence and effective utilization of bandwidth in. The same fabric extender technology is integrated into the cisco ucs to provide a flexible and modular data center design. B22 fabric extender connectivity topology virtual link aggregation.
Feb, 2020 enhanced vpc evpc and fibre channel over ethernet fcoe ethernet traffic can handle being dual homed over an evpc topology. Nexus 2000 series fabric extenders with virtual portchannel vpc deployments. We have 5 cisco nexus 2000 series manuals available for free pdf download. Only one management port will be active a given point. Nexus 2000 fex straightthrough deployment with vpc. Ap776a nexus converged network switch 5020, cisco nexus 5000. I did list the san and connectivity in my original post but to clarify, storage is connecting to the nexus with 8gb native fc, hyperv rack servers are connecting to the nexus with 8gb fc hbas and also. The third device can be a cisco nexus 2000 series fabric extender or a switch, server, or any other networking device. The switch discovers the fabric extender by a using detection protocol. Zamic adding a cisco nexus fabric extender to a cisco 9300.
Cisco nexus 2000 product family andover consulting group. The cisco nexus fabric extenders are managed by a parent switch through the fabric interfaces using a zerotouch configuration model. Cisco nexus 5600 series nxos software upgrade and downgrade. Dual homed fabric extender vpc topology 1gigabit ethernet uplink interfaces. Use of a single management entity to support a large server domain allows policy to be enforced more efficiently and enhances layer 2 data. Cisco vpc a virtual portchannel vpc allows links that are physically connected to two different cisco nexus 5000 series devices to appear as a single port channel to a third device.
Cisco nexus 2000 series fabric extenders dakota business. Use of the virtual portchannel vpc feature allows fast convergence and. Configuring virtual port channels cisco global home page. We have elected for a single homed fabric extender vpc topology which will be cabled into a dual nic server. For vpc, the document you have is latest best practices and design document. Installing a new cisco nexus 2000 series fabric extender. Configuring a host interface in a vpc topology connected to two fexs 24. Use of the virtual portchannel vpc feature also allows fast convergence and effe. The cisco nexus family of switches is a primary part of the unified fabric pillar of the. Cisco nexus 5000 series configuration manual pdf download. The cisco nexus 2000 series uses the cisco fabric extender architecture. Cisco nexus b22dell fabric extender blade fabric extender for dell. Connect a dual homed fabric extender topology fabric port to the replacement switch. Using cisco fabric extender technology and costeffective optics that allow.
After fabric extender 100 fex 100 comes online, create the portchannel for interface eth10011 and move the portchannel to the vpc. Costeffective fabric extender transceivers for cisco nexus 2000 series and cisco nexus. Aug 03, 2012 the picture above hows the supported vpc topologies for the nexus 5000. Consolidates multiple 1gb interface into a single 10gb interface. You can provide network additional resiliency by dualhoming servers into two separate fabric extenders, each of which is single homed. A nexus 2200 can have all its uplinks to a single nexus 5500, or its. Cisco nexus 2300 series fabric extenders are highly scalable unified. In this topology, servers would be dual homed to multiple fex. Replacing a fabric extender in a dual homed fabric extender vpc topology. Hi, i have two questions in a straightthrough topology, is it possible to connect a windows 2008 fileserver with dual nic and configure vpc. Each fex is has multiple links to a pair of 5k switches in the same vpc domain, and a single vpc portchannel is configured down to the fex. Ensure that the vpc role priority of the replacement switch is equal to the existing swtch.
In the diagram above server1 uplinking to n2k101 and n2k202 is setup in a straghtthrough design. Cisco nexus b22 blade fabric extenders and cisco nexus 2000 series fabric extenders can be mixed and matched to a parent switch to provide a variety of connectivity options, as shown in table 2. This architecture enables physical topologies with the. The b22 fabric extender eliminates the need to configure each networking. Dualhoming a fex provides path redundancy, but cuts in half the total number of fabric extenders you can deploy. Cisco nexus 2000 series fabric extenders german electric. Now i can have a mix of server topologies single homed, activestandby, and lacp in each rack. Associate the fabric extender to the fabric interface on the n9k. Cisco nexus 5000 series operation manual pdf download. Cisco nexus 2000 series fabric extenders data sheet.
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