Vpc orphan ports. A non-vPC port, also known as an orphaned port, is a port that is not part of a vPC. If the port carries a non-vPC VLAN, it is no more defined as Orphan Port. Get to know how VPC works In case of a failing vPC peer-link, the operational secondary vPC peer only shuts down vPC member ports and SVIs for vPC VLANs (those that are permitted over the vPC peer-link), so your routed ports won't be shut down by the vPC subsystem. Configuring Virtual Port Channels A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 9000 Series devices to appear as a single port channel by a third device (see figure). Orphan ports be orphanin’, that’s kind of the problem. May 22, 2017 · To suspend a vPC orphan port along with vPC ports, use the vpc orphan-ports suspend command in interface-configuration mode. Throughout this article, we’ll discuss best practices and design considerations for vPC. Spanning-Tree is used as a fail safe mechanism and does not dictate L2 path for vPC-attached devices. But if BUM traffic comes from orphan port to May 15, 2024 · The orphan host will get advertised with the primary IP as opposed to to anycast IP, while vPC-connected hosts get advertised with the anycast IP. In the instance of a peer-link shut or restoration, an orphan port's connectivity may be bound to the vPC failure or restoration process. This vPC is declared in two interfeces. To resume the non-vPC port, use the no form of this command. For example, if a device's active orphan port connects to the secondary vPC peer, the device will lose any connections through the primary peer upon a peer link failure and the resulting suspending of vPC ports by the secondary peer. On the Nexus switches which are setup with a vPC link, I configured a trun Abstract Session introduces basic concepts and terminology of the virtual Port-Channel and covers Virtual Port Channel best practice for an VXLAN environment. Jul 26, 2014 · Orphan-Port Suspend orpan port是VPC VLAN中的非VPC端口； 在混合服务器的拓扑环境，VPC的Orpan port会存在问题：在5. This will deactivate the link on the secondary, and turn the standby server link to active which is already connected to the primary switch. Let me know if you have any questions and I'll try to answer. B. Beginning with Cisco NX-OS Release 4. This command is not available if you have not enabled the vPC feature. vPC loop avoidance rule states that traffic coming from vPC member port, then crossing vPC peer-link is NOT allowed to egress any vPC member port; however it can egress any other type of port (L3 port, orphan port, …). Sep 13, 2020 · 1、VPC Overview vPC是一种将聚合连接延伸至两台不同的物理设备的概念 允许一个设备使用port-channel的方式连接到两个上游交换机 2、VPC Benefits 消除了STP的blocked上游端口的问题 允许以双活的模式连接双宿server 在链路或者设备故障时，提供快速的收敛 3、vPC 名词 vPC Domain – 一对 vPC switches vPC peer – 一台 Feb 13, 2024 · vp move interface group vpc vpc domain vpc orphan-port suspend vpc peer-link vpc role preempt vpn vpn id vrf vrf vrf vrf vrf vrf vrf vrf vrf vrf vrf vrf vrf vrf context vrf default static vrf member vrf member vrf static vrrp vrrp bfd vrrpv2 vrrpv3 vrrpv3 address-family vrrpv3 address-family vrrs leader vrrs pathway vsh vtp vtp domain vtp file Aug 8, 2018 · vPC Commands - NX-API CLI is an enhancement to the Cisco Nexus 9000 Series CLI system. The third device can be a switch, server, or any other networking device. 🟢 VPC Orphan Port A vPC Orphan Port in Cisco Nexus switches refers to an interface connected to a device that is not part of the vPC (Virtual Port Channel) but is physically linked to one of Jun 21, 2018 · This would be extremely valuable when connecting an ISE appliance in a data center with VPC enabled without having to configure "vpc orphan-ports suspend" on each VPC instance belonging to ISE. We have a couple of orphan ports on each Nexus 6001. Then you’ve got some sort of local storage device (iscsi?) that can’t or doesn’t do port channels, but does have ports on both the a-side and the B side. This is different to how traditional vPC behaves as it will advertised both orphan hosts and vPC-connected hosts with the anycast IP. We have a peer-link between them. Note You can configure vPC orphan port suspension only on physical ports, not on port channel member ports. Basic function is when Peer-Link goes down , Secondary vPC port disable the member port and down the SVI. Hi Folks, Quick question regarding vpc orphan-port suspend command. Design and Configuration Guide: Best Practices for Virtual Port Channels (vPC) on Cisco Nexus 7000 Series Switches Revised: March 2013 Jul 7, 2023 · Orphan ports are single attached devices that are not connected via a vPC, but still carry vPC VLANs. I decided to have a port-channel between the Nexus 6001s for the data traffic of the orphan por Sep 18, 2025 · same case when you move to Nexus (vPC) connect dual uplinks to different switch to get high availability. This is the default behavior for a Type-2 host. A Port-Channel is a technology that provides a way to aggregate (bond) multiple interfaces together. One method of deploying an ASA cluster is by connecting it to a pair of Nexus switches with vPC. Thank you for your patience! Aug 5, 2018 · 有哪位大神能给我解释一下orphan-port suspend的功能和它的应用场景，谢谢！！！！ To suspend a vPC orphan port along with vPC ports, use the vpc orphan-port suspend command in interface-configuration mode. Now what do you do if your firewall is vPC attached and your server is not? Jul 22, 2011 · You can suspend a non-virtual port channel (vPC) port when a vPC secondary peer link goes down. Mar 29, 2024 · For orphan ports, it is highly recommended to configure vpc orphan-port suspend command on both vPC nodes, to avoid traffic disruption during NVE failure scenarios. This should be doable - Red Hat supports this NIC bonding mode 4 option. The device does not need to be vPC aware. Information is below, but my question is. Jun 7, 2025 · Cisco Nexus vPC: The Virtual Port-Channel (vPC) feature available on Cisco Nexus switches allows you to connect a single device to two separate switches while forming a logical Port-Channel. The access switches only have single uplink at present (due to available fibre cores) so Any device that supports layer-2 port-channels can connect by a vPC. To prevent blackholing, the "vpc orphan port suspend" command can be issued on the orphan port to administratively shut it Click here if you are not automatically redirected after 5 seconds. Mar 28, 2023 · A. For example, if any servers have single connectivity with only Nexus-1 switch so we cannot configure the vPC on single end-host connectivity this port will be an orphan port. Use the no form of this command to revert to default settings. 1 (3 Nov 12, 2019 · The output of this command shows a list of the orphan ports and the configured VLANs. 2的N7K之前，orphan port不会被shutdown(secondary VPC设备挂起自己所有接口)，当VPC peer link丢失的时候； 新的NX-OS版本支持通过配置实现当peer link down后挂起orphan端口； 只支持在物理接口上 Oct 20, 2018 · Hi All, A quick design question (hopefully) regarding vPC orphan ports. interface ethernet slot/port vpc orphan-port suspend - " Suspends the specified port if the secondary switch goes down. We all know that , traffic from remote vpc member is can pass towards to vpc peer via peer-link but it is not allowed to exit from vpc member ports because of loop prevention. assuming a disruptive upgrade, I want to make sure that I'm not going to kill the vxrail servers because of "orphan-port suspend" when switch 1 or switch 2 go offline. Orphan ports are single attached devices that are not connected via a vPC, but still carry vPC VLANs. What problem we will get due to orphan port and how we can mitigate the orphan port. 1q trunk. Oct 20, 2018 · Hi All, A quick design question (hopefully) regarding vPC orphan ports. Anyone else interested in this feature? Cheers! Mar 3, 2020 · In case of Peer link failure, such orphan port should be brought down so firewall/load-balancer could switchover to a vPC operational primary device. To be qualified as an orphan port, it has to be a member of a VPC VLAN or have it enabled if it is 802. Oct 22, 2021 · The optimization is archived on secondary switch, vPC member ports and orphan ports with vpc orphan-ports suspend command is configured. Activate the vPC orphan-port suspend feature on the switch ports connected to the firewall. As per Cisco documentation, VPC peer link should not be used for data traffic. Apr 20, 2020 · traffic destined to servers connected on orphan port on the vPC peer BUM traffic - this is mandatory to be sent over vPC peer-link in case there are orphan ports on vPC peer. This approach boosts redundancy, load balancing, and performance without relying on Spanning Tree Protocol. As mentioned, just bear in mind that the vPC VLANs will have their SVIs shut down, so if you have orphaned hosts depending on a gateway on a vPC SVI, you Abstract • Session introduces basic concepts and terminology of the virtual Port-Channel and covers Virtual Port Channel best practice for an VXLAN environment. What problem will get create after peer link fa Jan 23, 2012 · Nexus vPC Orphan Ports "Orphan Port" is an important concept when working with a Cisco Nexus vPC configuration. On these FEX modules we have devices having a single connection to a port on one FEX but find it necessary to configure the corresponding port on the second FEX (non connected) in order to mak 流量是从vPC member port 来，穿越vPC peer-link ，这个包不会发给其他member port，但会发给三层端口、orphan port (孤立端口)。 当member port down 了后，防环机制不工作，确保流量是通的。 Aug 15, 2022 · On nexus 7K, by default, when VPC PL goes down, the vpc member ports will be suspended. vpc orphan-port suspend - what is the use case of this ? Cisco Nexus switches automatically shuts down orphan ports when the vPC peer-link goes down to prevent network issues. Jul 31, 2023 · Virtual port channel (vPC): It’s used for Device level redundancy, Link level redundancy, loop free architecture, & providing more bandwidth. As for VM switches to Nexus, if you use " Route Based on Originating Port ID" on the VM switches, all you need on the Nexus side are trunk ports and no need for any Portchannels. ORPHAN PORT: Port on the VPC peer where an Orphan device connects. However, with the "show vpc orphan-ports" command, both the vPC and the interfaces appear to me as orphan-ports in the up state. To advertise an orphan Type-5 route using PIP, you need to advertise PIP under BGP. Dec 19, 2019 · What is a Port-Channel? Before we dive into vPC it is important to quickly review Port-Channels. vPC check is happening per port-channel basis. In this Section you will learn about:VPC Split-brain ScenarioVPC Orphan port suspend command use case#CCIE#CISCONEXUS#VPC Quand un membre d'un Port-channel du vPC tombe, le trafic est re-hashé au travers d'un membre existant vpc orphan-port suspend To suspend a nonvirtual port channel (vPC) port when the peer link of a vPC secondary goes down, use the vpc orphan-port suspend command. Ideally of course your server guys are smart enough to avoid such configs. Jul 30, 2024 · Dear all, we use Server 2022 with Hyper-V, managed by SCVUMM. Like any technology, you can do vPC the right way and the wrong way. You obviously have a nexus VPC pair. Note that fabric peering will require TCAM carving. Before we can define an orphan port, it's important to cover a few vPC concepts. Issue the show vpc orphan-ports command in order to identify the impacted VLANs. Misunderstanding this aspect of vPC operation can lead to unnecessary downtime because of some of the funny behavior associated with orphan ports. Cisco vPC is a feature for Nexus series switches that allows to configure a Port-Channel across multiple switches. vPC in VXLAN EVPN vPC Configuration Best Practices vPC Border Gateway (DCI) Automate vPC in VXLAN EVPN using Nexus Dashboard Fabric Controller (NDFC) Conclusion Jan 22, 2024 · Additionally, when you have a vPC topology with orphan ports or Layer 3 connections and multicast traffic must go through the peer-link to reach these receivers, it is not sent out to the receiver unless you have the command vpc bind-vrf default vlan {vlan_id}. Applicable only for nexus devices. To display all Orphan Ports on vPC peer device use command: show vpc orphan-ports Cheers, Sergiu Oct 7, 2024 · Configure vpc orphan-ports suspend command on all non-vPC-interfaces (port channel or ethernet) that carry vPC peer-link VLAN traffic. Port-Channels provide 3 key benefits, * Redundancy - Should one of Virtual Port Channel - vPC Eliminates Spanning Tree blocked ports by providing loop-free topology Full link bandwidth utilization Provides device level redundancy Faster convergence over STP Jul 15, 2025 · This document describes the best practices to use for virtual Port Channels (vPC) on Cisco Nexus 9000 (9k) Series Switches. In an environment with Nexus 7000 I have a vPC configured. This traffic will not be sent out of vPC enabled port-channels (this is where loop avoidance mechanism kicks i Does this link only get used during an orphaned situation? Cisco NXOS 9000 | VXLAN EVPN with VPC | ORPHAN PORT | External | Site of Origin | Anycast VTEP | External Connectvity | Infrastructure VLANsConfig Linkhttps Abstract • Session introduces basic concepts and terminology of the virtual Port-Channel and covers Virtual Port Channel best practice for an VXLAN environment. As mentioned, just bear in mind that the vPC VLANs will have their SVIs shut down, so if you have orphaned hosts depending on a gateway on a vPC SVI, you Apr 24, 2020 · Hi, Orphan port is a port on vPC peer device (primary or secondary) that is not configured as vPC and carries vPC VLANs. Introduction This document describes the best practices to use for virtual Port Channels (vPC) on Cisco Nexus 9000 (9k) Series Switches. Jul 1, 2015 · To suspend a vPC orphan port along with vPC ports, use the vpc orphan-port suspend command in interface-configuration mode. 2. Devices include physical servers, firewalls, other switches, and load balancers. Withing a vPC domain, user can connect access devices in multiple ways: vPC-attached connections leveraging active/active behavior with port-channel, active/standby connectivity using To suspend a vPC orphan port along with vPC ports, use the vpc orphan-port suspend command in interface-configuration mode. We have a pair of Nexus 5K switches that are configured in a vPC domain that need to provide connectivity to a couple of access switches. For orphan ports, it is highly recommended to configure vpc orphan-port suspend command on both vPC nodes, to avoid traffic disruption during NVE failure scenarios. Oct 1, 2018 · Orphan port – Port that is connected to a single switch and not part of a VPC port channel. The third device can be a switch, server, or any other networking device that supports port channels. In case the vPC Peer-Link fails, these ports will be suspended immediately and traffic will be forwarded to primary vPC peer only to improve convergence. The reason is when vPC peer-link fails; any single attached device connected to secondary peer device (and using vPC VLAN) will become completely isolated with the rest of the network. Server Team setup SET Teaming for this Server which means Server itselfs manages and takes care of the Teaming (mode Switch embeeded Teaming with in Dynamic mode). HTH Sep 19, 2024 · Configure vpc orphan-ports suspend command on all non-vPC-interfaces (port channel or ethernet) that carry vPC peer-link VLAN traffic. Nov 30, 2020 · My thought is that from both vpc peers, the vpc is setup properly; however, HostZ isn't configured for LAG/Port-Channeling! Is HostZ considered a single-attached host and the vPC member ports are considered orphan ports? The orphan ports are restored when the vPC is restored. Wha Apr 1, 2025 · ORPHAN DEVICE: Device that is on VPC VLAN but only connected to one VPC peer. May 17, 2019 · Good afternoon I am looking for support on the topic "orphan-ports". Jan 2, 2012 · To ensure that certain VLAN interfaces are not shut down on the virtual port-channel (vPC) secondary peer device when the vPC peer link fails for those VLANs carried on the vPC peer link but not on the vPC configuration itself, use the dual-active exclude interface-vlan command. Dec 18, 2012 · Does "vpc orphan-port suspend" command have to be configured on orphan ports on both VPC switches, only on the primary one or only on the secondary one? Oct 27, 2021 · N9K (config-vpc-domain)# peer-gateway vPC Orphan Ports vPC orphan port is the which ports are not the part of vPC, those port known as orphan ports. Hope that helps. Have a look at Virtual Port Channels and Advanced vPC Concepts first if you can. It improves the accessibility of the CLIs by making them available outside of the switch by using HTTP/HTTPS. Mar 2, 2020 · vPC loop avoidance rule states that traffic coming from vPC member port, then crossing vPC peer-link is NOT allowed to egress any vPC member port; however it can egress any other type of port (L3 port, orphan port, …). Traffic is then loadbalanced across each of the connections. " vPC BGW provides L2/L3 DCI by utilizing VXLAN multisite for greenfield, small sites and legacy sites vPC fabric peering is best way to build vPC in VXLAN fabric as it removes need for dedicating front panel ports for vPC peer-link and reduces traffic over peer-link Nov 7, 2018 · We have a topology using two nk5 switches with vPC configured and each with a FEX module attached. Now, you may want to configure the switch to bring down also the orphan ports on that situation, for example, because your servers are using active-standby type of teaming so you want to force a physical shutdown on the link for the teaming software to change the traffic to flow on the other link. Jun 10, 2012 · Hi, in vPC configuration in case of dual-active the secondary vPC-peer susends all it vPC-Ports. Create a static port channel with two links from each firewall to the switch. Jun 7, 2023 · Or would orphan port on one switch to to same on the other over Peel Link ? orphan ports traffic will traverse the vPC peer link. The solution is to add the "vpc orphan-ports suspend" command in the interface. To return to the default value, use the no form of this command. Two vPC devices reboot and only one comes up Jan 11, 2022 · Hello everyone , My question is a bit different about VPC loop prevention. 3 days ago · Let's take a look at the vPC topics covered: vPC Feature Overview & Guidelines vPC Architecture Components – vPC Peer, Peer-Link, Peer Keepalive Link, Domain, Member Port, Orphan Port and more Virtual Port Channel (vPC - Nexus) vs Virtual Switching System (VSS - Catalyst) vPC Peer Keepalive Link Design Guidelines vPC Peer-Link Design Guidelines There is a suggestion to use "orphan-port suspend" in the following scenario: Strong Recommendation: Use vPC orphan port suspend when single-attached devices connected to vPC domain need to be disconnected from network when vPC peer-link fails. Why is this important? When connecting a single-attached access device to a vPC domain using vPC VLAN, the ports are referred to as orphaned ports. For example, if a device’s active orphan port connects to the secondary vPC peer, the device loses any connections through the primary peer if a vPC Peer-Link failure occurs and the vPC ports are suspended by the secondary peer. "The second type of orphan port is the one that is a member of a vPC configuration, but the other peer switch has lost all the associated vPC member ports. Jun 20, 2014 · Hi Experts, We have 2 Nexus 6001s. In addition to that its possible to suspend the orphan-ports (which are not connected via vPC) as well by configuring under the interface The show vpc orphan-ports command displays those ports that are not part of the vPC but that share common VLANs with ports that are part of the vPC. Designs are targeted for access layer where end points are dual homed to VXLAN fabric, active/active fashion, Active/Standby fashion, and how VPC behaves in congestion with VXLAN in case of failure scenario. 1. An orphan Type-2 host is advertised using PIP. In the instance of a peer-link shut or restoration, an orphan port’s connectivity may be bound to the vPC failure or restoration process. x OL-23435-03 DownloadDownload PDF ContentsTable of Contents FullscreenView Fullscreen Sep 18, 2018 · Regarding your question when connecting a single-attached access (orphan) device to a vPC domain using vPC VLAN, always connect it to the vPC primary peer device. 0（3）N2的N5K和5. From a spanning tree standpoint, vPC eliminates STP blocked ports […] Site will be available soon. The third device can be a switch, server, or any other networking device that supports link aggregation technology. Here we will configure it. Configures the selected interface as a vPC orphan port to be suspended by the secondary peer in case of vPC failure. For this type of orphan port, the vPC loop avoidance rule is disabled. To suspend a non-virtual Port Channel (vPC) port when the peer link of a vPC secondary goes down, use the vpc orphan-port suspend interface level command. . Sep 20, 2016 · Please explain me the role of Orphan port in VPC. Mar 21, 2013 · The vpc loop prevention is not applied on orphan ports, because depending on the traffic flow packets need to traverse the peer link and orphan devices are not attached via vpc member ports. Orphan Port is an important concept when working with a Cisco Nexus vPC configuration. Yes Given this type of topology and port connectivity; I am assuming that it would be wise to enable all of the recommended vpc parameters; such as, peer gateway and Cisco Nexus switches have a feature called Orphan Port Suspend, which automatically suspends orphan ports on the secondary vPC peer when a peer-link failure occurs, preventing any chance of looping. You can start a casade by enabling VPC orphan-port suspend, which then can trigger a link-detection failure on the downstream switch, which in turn should kick the standby ports to active. From a Spanning-Tree standpoint, vPC eliminates STP blocked ports and uses all available uplink bandwidth. During vPC shutdown, vPC manager brings down vPC interfaces, vPC interface VLANs and non-vPC interfaces with vpc orphan-ports suspend configuration. Apr 20, 2016 · The vPC aka virtual Port Channel is a Cisco technology that presents both Nexus paired devices as a unique Layer 2 logical node to a third device. Would you use this command on individual trunk links down to an ESX host? Jan 11, 2017 · This blog post provides a comprehensive guide on configuring a basic vPC topology using Cisco Nexus 9000 switches, detailing the four-step process including enabling features, configuring links, and understanding member and orphan ports. Jan 2, 2012 · To suspend a nonvirtual port channel (vPC) port when the peer link of a vPC secondary goes down, use the vpc orphan-port suspend command. I assume you’ve got VMWare hosts with A port-channel split up to your VMWare hosts. A vPC can provide Layer 2 multipathing, which allows you to create redundancy and Jun 28, 2012 · Those non-vPC ports are called orphan ports. SW1 in the diagram depicts the orphan device. Get to know how VPC works so we can say that these ports are non-orphan ports/ vPC member ports; however, operating in stand-alone and not in a port-channel. So what you need to configure additionally to achieve "vpc fast convergence" is to configure " vpc orphan-ports suspend " on all orphan ports. 7-52 Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5. These are all orphan ports nexus-wise, but there is no problem whatsoever if your peerlink fails, because the secondary Nexus shuts all orphan ports (once "vpc orphan port suspend" is configured, of course) and the servers fail over to their remaining uplink port. Jul 29, 2011 · Configuring Virtual Port ChannelsA virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 5000 Series switches or Cisco Nexus 2000 Series Fabric Extender s to appear as a single port channel by a third device (see the following figure). Apr 20, 2020 · Hi All, Greetings!!! A quick question about vPC orphan port. VPC Orphan-Port Question I'm having the hardest time understanding VPC orphan ports, and what impact they may have when I go to upgrade my Nexus 9k pair. vPC check Exception: if vPC peer’s member ports are down the vPC member ports become “Orphan ports” and vPC Check is disabled. In a VPC configuration, if the peer link fails but the keepalive link remains active, traffic destined for the active load balancer will be blackholed because the orphan port connected to the active load balancer on the secondary switch will no longer be advertised. The access switches only have single uplink at present (due to available fibre cores) so Virtual Port Channels A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 7000 or 9000 Series devices to appear as a single port channel by a third device. I'm having the hardest time understanding VPC orphan ports, and what impact they may have when I go to upgrade my Nexus 9k pair. A vPC Type-2 host is advertised using VIP. bcc hpz4 coqd uoikt ymiin5ko tzwyv tlcwjp bjfcan olkpo dkhsm