Fex port suspended by vpc 2 interface port-channel15 description ** vpc peer-link** switchp 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. Port Channel Commands - NX-API CLI is an enhancement to the Cisco Nexus 7000 Series CLI system. With Enhanced vPC, you could choose either a single-homed FEX topology see Figure 6-2 or a dual-homed FEX topology see Figure 6-3 for a dual-homed FEX topology example. Nov 8, 2011 · If they do not match, depending on whether it is a global (for example, spanning-tree port mode), a port-level (for example, speed, duplex, or channel-group type), or even a port-channel interface, the vPC can go into a suspended state or a VLAN can go into a blocking state on both peer switches. This command does not require a license. The only difference I can spot is the number 32 and 52, respectively, in the lag-id. 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. I have 2x10G ports connected back to back (as port-channel 2) inside vrf vpc as peer-keepalive and Apr 22, 2017 · I am trying to create another Vlan on the Nexus. The following configuration is working at Nov 13, 2024 · このドキュメントでは、一般的に見られる仮想ポートチャネル(vPC)の不一致の問題と、そのトラブルシューティング手順に Oct 31, 2013 · I have two VSS 6500 installations one set of 6503 as core router/switch and a pair of 6509 as collasped distribution. e. We are Dec 7, 2011 · The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. Nov 8, 2024 · Verify the vPC, “show vPC” on both switches, also verify fex are online “show fex” Verify if all services are running as expected. I checked the logs on the 5k and at the exact same time the HSRP went down I noticed: 2017 Feb 6 11:01:24. The solution is to put the port into a VLAN that exists on the switch already, or create the VLAN in question. You can configure Layer 2 port channels in either access or trunk mode. Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. The vPC can provide multipath connections, which allow you to create redundancy between the nodes on your network. If different port channel numbers are used, the port channel and its member ports are suspended on both switches Nov 26, 2013 · I have a pair of Nexus 5548s in the lab. Jan 8, 2012 · Let’s here assume that the vPC basics and the connection to the FEX have been configured: vPC domain, peer keepalive, peer links, fabric interfaces, port-channel and vPC from the switches to the FEX. The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. I have other vPC interfaces configured from the same two no Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. Attach the FEX to the fabric 2. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: Dec 26, 2011 · Hi We have configured a Fex port as acces port but the port no up becouse appear in suspended state, i think the problem is a vlan mistmach as appear in the consistence-parameter information but i not found in what part allow the correct vlan, the N2K are connected to 2 N5K, and 5K are connected to Enhanced VPC Design n5k - Free download as PDF File (. This chapter describes how to configure virtual port channels (vPCs) on Cisco Nexus 7000 Series devices. There is no L1 issue found during basic testing. Personal website of Dmitry Golovach - Network Engineer, AI Enthusiast and Problem Solver Jul 24, 2020 · For detailed information about the fields in the output of these commands, see the command reference for your device. I have 4 N3k, all the same models, all running the same software code 7. However, "show vpc" shows peer link is down. 概要 vPC で問題が発生した場合に実行すべきコマンド、および主に確認すべき箇所について解説しています。 3. 1. We have two Nexus 5000 series switches connected via vPC and FEX 106 and 107 each with a connection to our Nexus 5000 switches (proda1 and proda2) connected via port-channel and vPC. That command successfully solved the issue I had where the ports would go into suspended status almost immediately as they came up. Fixing the cabling, brought the port-channel UP. Information About vPCs Guidelines and Limitations Best Practices for Layer 3 and vPC Configuration Default Settings Configuring vPCs Verifying the vPC Configuration Monitoring vPCs Configuration Examples for vPCs Related Documents Information About vPCs vPC Overview Hitless vPC Role Change vPC In the following example po1001 is an Enhanced vPC host port channel consists of eth110/1/1 and eth111/1/1. A vPC can provide Layer 2 multipathing, which allows Aug 29, 2017 · Virtual Port Channel Software Upgrade Technical NoteVirtual Port Channel Overview A vPC allows links that are physically connected to two different Cisco Nexus devices to appear as a single port channel to a third device. 3. Verifying the Consistency of Port Channel Numbers For enhanced vPCs, both switches must use the same port channel number for the dual homed connection to a FEX. 2 days ago · Complete Cisco Nexus vPC configuration guide & design. I want to know what will be the impact here if keep alive link and vpc peer link goes down ? will it have any impact in data forwarding. Aug 3, 2017 · switchport mode fex-fabric fex associate 121 interface port-channel123 description N9K vPC Peer Link switchport switchport mode trunk spanning-tree port type network vpc peer-link interface port-channel1129 description uplink to FI-A switchport switchport mode trunk speed 40000 no negotiate auto vpc 1129 interface port-channel1131 description Design and Configuration Guide: Best Practices for Virtual Port Channels (vPC) on Cisco Nexus Series Switches Revised: Mar 2021 Nov 16, 2017 · Hi All, I am trying to do DCI between 2 pair of Nexus 9508 using VPC. Defaulting the config on physical interfaces and recreation of Port-channel interface helped to bring the port to (P) from suspended state. interface port-channel1 switchport switchport mode fabricpath spanning-tree port type network vpc peer-link %ETHPORT-3-IF_ERROR_VLANS_SUSPENDED: VLANs 971 on Interface port-channel1 are being suspended. Background Information A virtual port channel (vPC) allows links that are physically connected to two different ACI leaf nodes to appear as a single port channel to a third device (that is, network switch, server, any other networking device that supports link aggregation technology). Mar 31, 2022 · This example shows how to display the vPC consistency parameters on a port channel: switch# show vpc consistency-parameters interface po 10 Legend: Type 1 : vPC will be suspended in case of mismatch Name Type Local Value Peer Value With Enhanced vPC, you could choose either a single-homed FEX topology see Figure 6-2 or a dual-homed FEX topology see Figure 6-3 for a dual-homed FEX topology example. Host vPC (single link or dual links) and FEX single-homed (port channel mode) straight-through design: In this topology, you connect a server with dual or quad network adapters that are configured in a vPC to a pair of FEXs that are connected straight through to the Use Enhanced vPC if you want to connect a dual-homed FEX to a Cisco Nexus 5000 Series device to have better redundancy for a single NIC server and at the same time, want to run port channels between the servers that have multiple NICs and FEXs. , using channel-group <group> mode active, it may be the partner device is not sending LACPDU. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure:. May 4, 2022 · Hey there - been staring at this for a while and just can't see why one of my interfaces won't come up in an LACP aggregate. 1 (3 Aug 11, 2016 · Hello, I have created a vpc in my 2 5000, and my ports are now in suspended mode. Are there any commands to bring up individual ports, so it ignores the consistency-check on that port, or do I need to disable vpc 120 on portchannel120 to get these ports working? This takes the entire FEX down for approx 80 seconds (in testing). However, the port changed the status from notconnected to inactive and remained so. Aug 11, 2016 · Hello, I have created a vpc in my 2 5000, and my ports are now in suspended mode. If different port channel numbers are used, the port channel and its member ports are suspended on both switches Dec 19, 2017 · Hi, I have a strange issue that I'm not able to figure out by myself. 2 is sent to FEX 111. Also, you don't appear to have a VPC peer-link configured on your 7010, which is the core fo the whole VPC process. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: Aug 3, 2017 · switchport mode fex-fabric fex associate 121 interface port-channel123 description N9K vPC Peer Link switchport switchport mode trunk spanning-tree port type network vpc peer-link interface port-channel1129 description uplink to FI-A switchport switchport mode trunk speed 40000 no negotiate auto vpc 1129 interface port-channel1131 description When I removed the port-channel from the secondary switch, then reapplied it, the physical port on the primary vPC switch never went down, but when the VLANs were suspended devices lost connectivity. Feb 13, 2020 · Dual-homed servers operating in active-active mode. I am trying to add another port channel beteen to pairs of VSS th Virtual Port-Channels (vPC’s) Last Updated: [last-modified] (UTC) Want to jump straight to the config? See the configuration video below. Dual active failure can result in traffic loss. vPC の切り分けに Troubleshooting Virtual Port Channel Issues A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 5000 Series switches to appear as a single port channel to a third device. (Reason: Vlan is not allowed on Peer-link) A weird issue moving a server from a 6509 to a Nexus has made me look at the LACP suspend-individual command. Jul 3, 2012 · The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. 2 to 30. txt) or read online for free. I’ve created a vpc added it to the port channel and there’s a VPC mismatch? How do I resolve this please, and is fheir any commands. Jul 23, 2018 · If it's a port on the FEX and the FEX is dual-homed you need to have the exact same config on both upstream switches or else you will have this "inactive" port status problem. However, on one of the NEXUS is failed to do VPC. This is not the case on the Nexus platform. はじめに この ドキュメントでは Nexus シリーズで最もよく使用される機能である Virtual Port Channel (以下 vPC) の基礎的なトラブルシューティングを提供します。 2. vPC shortcomings: vPC configuration needs to be replicated on both switches. Note: - Fex interfaces will go offline when uplinks are disabled on both vpc peers Further Problem Description: This behavior does not affect functionality of FEX or Host connected to HIF interfaces. Jul 24, 2014 · This example shows how to display the vPC consistency parameters on a port channel: switch# show vpc consistency-parameters interface po 10 Legend: Type 1 : vPC will be suspended in case of mismatch Name Type Local Value Peer Value Apr 18, 2013 · The port is part of a virtual port-channel (vPC) on a dual-homed FEX, and the FEX port configurations do not match on the two Nexus switches in the vPC domain. Jun 16, 2015 · The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. vpc domain 100 role priority 4098 peer-keepalive destination 1. 1 source 192. Mar 29, 2019 · This concludes all the necessary FEX configuration. Feb 23, 2016 · For detailed information about the fields in the output of these commands, see the command reference for your device. Design and Configuration Guide: Best Practices for Virtual Port Channels (vPC) on Cisco Nexus Series Switches Revised: Mar 2021 Nov 16, 2017 · Hi All, I am trying to do DCI between 2 pair of Nexus 9508 using VPC. I cannot get the int port-channel 30/vpc 30 to come up. To verify that the FEX is seen by the leaf switch you can run the “ show fex detail ” command on your leaf switch connected to your FEX, and can also run the “ show port-channel extended ” command to verify that the automatically created port-channel between the leaf and FEX is formed. The other two, following the same steps, I'm not able to pair. If one FEX fails, traffic fails over instantly—no spanning-tree reconvergence delays. Can you post the Oct 31, 2022 · Introduction This document describes how to identify and resolve problems that can occur with vPC in ACI. Sep 12, 2014 · Workaround: Shut on FEX up-link port-channels on both vPC peers FIRST and then no-shut on both sides. Below is the topology running vpc+ with fabric path. If different port channel numbers are used, the port channel and its member ports are suspended on both switches Jan 14, 2021 · 报错提示很明确了 suspended (no LACP PDUs)，检查2侧设备对应接口的端口聚合配置，确认LACP是否正常工作；在排除物理线路和模块问题后，可以尝试先把有问题接口移出Port-Channel，再重新加进来，或者2端设备有其它空余端口也可以替换测试 With Enhanced vPC, you could choose either a single-homed FEX topology see Figure 1-2 or a dual-homed FEX topology see Figure 1-3 for a dual-homed FEX topology example. I noticed the status of the physical interface, it shown as "vpcCmpFai" Sh int e2/1 status Each FEX will have a port channel to a single Nexus 5K, and won't be cross connected. You can check if any Jul 15, 2025 · This document describes the best practices to use for virtual Port Channels (vPC) on Cisco Nexus 9000 (9k) Series Switches. I have tried to reset the interface but keeps going into this state. Port config was very simple. I believe the issue is that the port-channel trunk is not passing Vlan 53 through to the other Nexus but I don't know why. The peer-link is then used as backup path for optimal resiliency" (taken from reviced in Jan of 2013 http Jun 16, 2015 · For detailed information about the fields in the output of these commands, see the command reference for your device. However, the remaining bandwidth on the parent switch will be shared by all the host ports resulting in an increase in oversubscription. The vPC Primary/Secondary member cannot establish vPC once they come back online if Keep-Alive Link is Down. Oct 7, 2024 · vPC shutdown Command for a Switch in FEX Active-Active Mode Role of the Layer 2 MCECM in vPC Shutdown Moving Other Port Channels into a vPC Configuring vPC Peer Links and Links to the Core on a Single Module vPC Recovery After an Outage High Availability vPC+ A virtual port channel+ (vPC+) is an extension to virtual port channels (vPCs) that Jun 15, 2018 · Hello, I have a scenario where 2 Nexus9k are acting as vPC pair and a NetApp appliance is connected to both switches. vPC vs VSS 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). 1 Here, by default Management VRF is chosen to route. sw-secondary vrf context management vpc domain 10 role priority 10 peer-keepalive destination 192. If different port channel numbers are used, the port channel and its member ports are suspended on both switches Jan 19, 2024 · Describes how to configure physical ports, port channels, virtual port channels, and connections to FEX devices. Enter the command to determine which FEX interface from N5k-1 to FEX 111 is carrying the flow. A vPC can provide Layer 2 multipathing, which allows you to create redundancy by increasing bandwidth FEX supported topologies: FEX supports various vPC topologies with Cisco Nexus 7000 and 9000 Series as their parent switches. interface port-channel100 switchport switchport mode trunk spanning-tree bpdufilter enable vpc 100 int e1/32 switchport switchport mode trunk channel-group 100 mode active no shutdown Any ideas? Thanks. If you have configured the ports as access ports for VLANs which are either: Nov 24, 2019 · Hi, Show vpc clearly states that vPC keep-alive status : Suspended (Destination IP not reachable) that means the somehow your routing is not working. It improves the accessibility of the CLIs by making them available outside of the switch by using HTTP/HTTPS. Nexus 9k when you do a "show vpc brief " the ports you have configured as an access port will receive a psuedo random VPC number due to having a vpc up to the parent switch therefore there is no need to configure the physical fex ports with the command vpc x. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. Sure enough, Vlan was pruned from VPC Peer-link causing FEX ports configured in Nov 21, 2020 · vPC Failure Scenarios--> There is only one issue that happens only when the vPC primary/Secondary also goes down after the Keep-Alive link stopped working. The single-homed FEX topology is well suited for servers with multiple NICs that support 802. I also added Vlan 53 to the other Nexus The interface on the FEX now shows a status of inactive. Jul 24, 2020 · This chapter contains the following sections: Licensing Requirements for Enhanced vPC Enhanced vPC Example Configuration Information About Enhanced vPCs Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. The enhanced vPC feature, or two The cisco cores basically connect to a 2K VPC Fex, through the 5k to a 7k. 0 (3)I4 (7). interface Ethernet101/1/14 switchport mode trunk The folowing messages appeared in the log. The third device can be a Cisco Nexus 2000 Series Fabric Extender or a switch, server, or any other networking device. This can be achive with Auto recovery feature in Use Enhanced vPC if you want to connect a dual-homed FEX to a Cisco Nexus 5000 Series device to have better redundancy for a single NIC server and at the same time, want to run port channels between the servers that have multiple NICs and FEXs. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: I followed the approach and found out that one of the port-channel cable was incorrect patched to port by local guys and thus the suspended mode problem. A vPC can provide Layer 2 multipathing, which allows I followed the approach and found out that one of the port-channel cable was incorrect patched to port by local guys and thus the suspended mode problem. I have tried to re-configure vpc, port-channel, shut/un-shut vpc, shut/un-shut port-channel, reboot both N9Ks, bu Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. Aug 24, 2010 · FETs are only supported on fex-fabric port connections when connecting a Cisco Nexus 2000 FEX to it's parent Cisco Nexus 5000 switch. I don't know. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: The 5k still thinks it is part of a VPC, because we haven't converted it back to Spanning Tree (yet). 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. The switch port on the parent switch must be enabled for fex-fabric mode with the switchport mode fex-fabric command. Two vPC devices reboot and only one comes up Jan 29, 2014 · For detailed information about the fields in the output of these commands, see the command reference for your device. On N9k the port was disabling itself "no LACP BPDUs", so I guess the server was never setup as LACP and the 6509 just gracefully went "ok, you're just Feb 18, 2015 · FEXs are numbered 100-199 - for consistency and the avoidance of mistakes, it is common to use the same local port channel and vPC numbers as the FEX is assigned. Port-channel 10 is the vPC peer link and is up. If not VLAN (s) or port channels may be suspended. TL;DR: Plug each FEX into only one Nexus 5K. Apr 4, 2023 · Hi everyone, Need some help here I am configuring vPC between two Nexus 9K, C93240YC-FX2. With dual-homed FEX, every port is considered to be a part of a virtual port-channel. 2 source 1. vPCs Jun 9, 2022 · We are setting up 2 nx 9k switches with port channel (LACP) enabled so we can have multiple links for redundancy. 30. switch-1# show vpc consistency-pa Virtual Port-Channel Name Domain Virtual IP Peer IP VPC Leaf Id, Name Fex Id PC Id Ports Aug 27, 2014 · Cisco Nexus 9000 Series NX-OS Command Reference (Show Commands), Release 6. Check that both switches have consistent vPC domain IDs, the same port-channel numbers for the vPC peer link, identical interface settings (speed, duplex, MTU), and matching VLAN configurations. Beginning with Cisco NX-OS Release 4. Another reason for the inactive port is configuring the port on a non-existant/working VLAN. The FEX is owned by the both N5k switches so the server-facing interface configuration needs to exist on both switches. 0(3)I7(9) with Jul 31, 2014 · Configuration of FEX with ACI To be able to use a FEX with ACI. vPC member port failure: When one vPC member port fails, the host MAC detects a link failure on one of the port channel members and redistributes the affected flows to the remaining port channel members. Jan 30, 2025 · @amit. 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? Mar 21, 2013 · With Enhanced vPC, you could choose either a single-homed FEX topology see Figure 1-2 or a dual-homed FEX topology see Figure 1-3 for a dual-homed FEX topology example. So please check what VRF you are using in order to route the keepalive link traffic. Here important to note, keep-alive is active in this scenario, which allowing nodes to exchange heartbeat. If you do want to do load balancing based on IP hash, that requires a port channel, and if you're going to do a link to each FEX, that's a a virtual port channel (vPC). The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: Design and Configuration Guide: Best Practices for Virtual Port Channels (vPC) on Cisco Nexus 7000 Series Switches Revised: March 2013 May 10, 2012 · The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. Thank you for your patience! We configured the port channel with LACP connected through a vPC. Jan 29, 2014 · For detailed information about the fields in the output of these commands, see the command reference for your device. Jun 22, 2010 · Hi, I got the same issue but the difference is the configuration is in fabricpath. The enhanced vPC feature, or two Aug 14, 2018 · I have a vPC interface from two leaf nodes, one node shows its vPC interface port as up and operational but the other node shows its interface as down / vpcPeerLinkDown. See Figure 1-4 for an example of enhanced vPC with a single-homed server and host vPC. the core VSS I have 5 etherchannels configured in variouse configuration some are "on" some are desirable and LACP. 1. Learn about Cisco Nexus vPC type-1 and type-2 inconsistency issues, including global port type mismatches and configuration consistency failures. Attaching FEX to the ACI Fabric Remark: At the time of this writing(end of July 2014): - we only support straight-through atta Jul 9, 2015 · For detailed information about the fields in the output of these commands, see the command reference for your device. I added Vlan 53 and changed a port on a FEX (Cisco 2K) connected to the Nexus. I'm trying to build a VPC to a C220M3 using a P81E adapter. com If peer-link fails, then all the member ports from vPC secondary node will be suspended. Does not support OSI Layer3 peering. Configure host interface of FEX. No manual intervention is needed for this. The port goes in to inactive mode soon as i add them to vlan 40. If different port channel numbers are used, the port channel and its member ports are suspended on both switches Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. Two things must be done: 1. I’ve done sh vpc consistency checks which led me to find vlans are suspended. On the 6509, the server was connected to a single LACP port (don't ask. 917 JPTMCV105B1 %STP-2-BLOCK_BPDUGUARD: Received BPDU on port Ethernet107/1/44 with BPDU Guard enabled. Is there any issue with the configuration. 3ad port channel. The following configuration is working at Jul 31, 2013 · I am trying to create a vPC port-channel for two different FEX interfaces. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: Oct 31, 2022 · Hi, I confirmed VPC in two Nexus switches and PVC peer-Link is down. vPC failure scenarios While configuring trunk interface on FEX port for server connectivity I ran into an issue of the port being errDisabled due to BPDUGuard. The enhanced vPC feature, or two Hi, looking for some commands and help. By different do you mean that the LACP settings are different on each side of the vPC? I'm not clear. Jul 14, 2015 · This chapter contains the following sections: Licensing Requirements for Enhanced vPC Enhanced vPC Example Configuration Information About Enhanced vPCs Enhanced Virtual Port Channels Overview The virtual port channel (vPC) feature allows the dual homed connection of a host to two fabric extenders (FEXs) or a dual homed connection of a FEX to two switches. Apr 2, 2018 · N7710 %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet2/30: Ethernet2/30 is suspended by protocol, other reasons 1/ ethpm 信息发现接口被 protocol suspend，COMPAT_CHECK 一般是某些配置不兼容导致。 Apr 30, 2013 · Introduction vPC Failure Scenario vPC Type 1 and Type 2 Consistency Check Nexus vPC Troubleshooting Checklist Related Information Introduction A vPC allows links that are physically connected to two different Cisco Nexus switches to appear as a single port channel to a third switch. Oct 31, 2022 · Hi, I confirmed VPC in two Nexus switches and PVC peer-Link is down. Find the help you need with user manuals and owners instruction guides. Two vPC devices reboot and only one comes up Configuring fex ports on a Cisco 9K switch with vPC creates one logical link from server to FEX pair. I've checked the individual port settings one by one and they all look the same to me. Aug 20, 2013 · Hi, I had had this problem before. This can cause some servers to fail to boot up as they require LACP to logically bring up the port. A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 7000 Series devices to appear as a single port channel by a third device. The port on 1 switch is disabled due to vPC inconsistencies. You'll need a vPC peer link vPC keep-alive link. The two links in questions is eth1/3 on both switches going to UCS MLOM ports. Apr 18, 2013 · On the Cisco Catalyst platform, adding a non-existent VLAN to a port will cause the VLAN to be auto-created. You can try these practices on our Cisco Nexus virtual lab Conclusion Replacing Nexus 5K switches within a vPC (Virtual Port Channel) domain requires careful planning and execution to ensure a seamless Dec 5, 2024 · When removing a port channel and its associated member interfaces from your N5548 switch, especially in a vPC setup, care must be taken to avoid creating inconsistencies or causing interfaces to enter an unexpected state like suspendedbyVPC. The third switch can be a Cisco Nexus 2000 Series Fabric Extender or a switch, server, or any other networking Jun 17, 2020 · LACP sets a port to the suspended state if it does not receive an LACP bridge protocol data unit (BPDU) from the peer ports in a port channel. The unicast flow from 30. Going through the rest of log I spotted these messages. However when the vPC peer-link comes back up, the expected behavior is for the vPC secondary switch to bring back up all its vPC channels. Therefore, the configurations on both Nexus switches that are able to manage the FEX port must match. 1(2)I2(2) -I Show Commands Aug 27, 2013 · Solved: I connected a Dell Vrtx chassis with a built in L3 switch to a nexus 2000 fex but the port immediately becomes disabled. 168. pdf), Text File (. sharma The issue of the vPC being suspended when connecting the peer link cable is likely due to a mismatch in the configurations on the two Nexus switches. Any idea? Jul 30, 2013 · For detailed information about the fields in the output of these commands, see the command reference for your device. May 13, 2018 · Either disable the VPC feature, or you have to configure those ports that appear in the output above as a sub-command of no vpc orphan-port suspend if I recall. it was before my time), and it worked fine. vPC peer devices exchange member port states and reprogram in hardware the vPC loop avoidance logic for that particular vPC. Nov 21, 2012 · With Enhanced vPC, you could choose either a single-homed FEX topology see Figure 1-2 or a dual-homed FEX topology see Figure 1-3 for a dual-homed FEX topology example. Figure 6-4 Enhanced vPC with Single-Homed Server and Host vPC Nov 18, 2015 · Faced the same issue while configuring a vPC between Cisco Nexus and Dell switches. Rather watch the movie than read the book? Sep 2, 2015 · Hi, When you say the ports are in a suspended state do you mean that the port is showing with an "s" flag when you run the show port-channel summary command or do you mean suspended due to vPC inconsistency? If it's simply suspended from the LAG and running as a dynamic LAG i. Apr 19, 2012 · From what I can see, your 7010's are not establishign the VPC peer-keepalive-link, and without that any VPC configuration is destined to fail. vPC architecture components & troubleshooting. The third device can be a switch, server, or any other networking device. Mar 29, 2012 · Hello Peter, can U pls explaine exception from the "golden vPC rule" which sounds as follows: "The only exception to this rule occurs when vPC member port goes down. Any ideas? B5548# show vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Aug 2, 2011 · FEX 2Ks are connected to Nexus 5Ks , I am trying to add one port on the 2K to vlan 40 , vlan 40 already existing and there are active ports alredy on vlan 40. Nexus 9000, 7000, 5000 & 3000. If different port channel numbers are used, the port channel and its member ports are suspended on both switches Download Cisco Nexus 2000 Series 93108TC-FX3P User Manual or view PDF for FREE. First two I setup into vpc cluster in a blink of an eye without any issues. Nov 16, 2015 · If only vPC peer-link down, but keep-alive link up, the vPC secondary peer will suspend all its vPC port-channels. Please, put the following command, if in your server side is using LACP: interface Ethernet102/1/9 switchport switchport access vlan 204 channel-group 321 mode active no shutdown N7K-1# sh run int po321 interface port-channel321 switchport switchport access vlan 204 flowcontrol send on vpc 321 N7K-2# sh run int eth102/1/9 interface Ethernet102/1/9 switchport With Enhanced vPC, you could choose either a single-homed FEX topology see Figure 6-2 or a dual-homed FEX topology see Figure 6-3 for a dual-homed FEX topology example. Additionally, ensure the peer Sep 21, 2020 · 6、连线检查设备检查业务。 这里主要说下在配置vpc情况下的一些操作，通过之前更换过的两次N5K经历，每次在换上新的交换机之后vpc状态都会有问题，基本都是vpc peer-link接口被抑制。 抑制信息是 (suspended by vpc)，使用shutdown/no shutdown重新激活不起作用。 Jul 31, 2013 · I am trying to create a vPC port-channel for two different FEX interfaces. See Figure 6-4 for an example of enhanced vPC with a single-homed server and host vPC. Layer 3 vPC - L2の基本動作 vPCプライマリに着信しても、vPCセカンダリに着信してもトラフィックはローカルで処理されていきます。 vPCピアスイッチでMACアドレステーブルはシャーシ間で同期しています。また、vPCピアリンクから着信 したトラフィックはパケットの重複を防ぐためにvPCへは転送されませ Aug 29, 2017 · Virtual Port Channel Software Upgrade Technical NoteVirtual Port Channel Overview A vPC allows links that are physically connected to two different Cisco Nexus devices to appear as a single port channel to a third device. Failures can isolate orphan ports from the rest of the network. In vlan 1 the port is showing up. I'm trying to LACP trunk a pair of Nexus3000 C3064PQ Chassis running 7. the message i get in console is below, Ca Access Nutanix's knowledge base for support and insights on disaster recovery, data protection, installation guidelines, and security authentication. Summary This chapter discusses Ethernet port channels, virtual port channels (vPCs), and vPC configuration and verification, including the following points: A port channel bundles physical links into a channel group to create a single logical link that provides an aggregate bandwidth of up to 32 physical links. The enhanced vPC feature, or two-layer vPC, allows both dual homing topologies to be combined simultaneously, as shown in the following figure: Feb 8, 2022 · This chapter describes how to configure virtual port channels (vPCs) on Cisco NX-OS devices. Jun 20, 2017 · This document describes the configuration steps to?configure Fabric Externders (FEX) as well as the respective host Virtual Port Channel (vPC) Aug 22, 2014 · Port Channels can be used instead of static pinning between parent switch and FEX so in the event of a fabric interface failure all hosts ports remain active. If different port channel numbers are used, the port channel and its member ports are suspended on both switches Feb 4, 2017 · If they do not match, depending on whether it is a global (for example, spanning-tree port mode), a port-level (for example, speed, duplex, or channel-group type), or even a port-channel interface, the vPC can go into a suspended state or a VLAN can go into a blocking state on both peer switches. When implementing Cisco Nexus 5k switches (5596UP), I connected a server to a dual homed 2000 FEX (2232T), the port belonging to a virtual port channel. See full list on cisco. Strange part is that every physical flaps on the port results in port suspension and the solution is to redo the config Aug 11, 2019 · You might have this problem on your nexus switches, so start troubleshooting by looking the interface status: show interface Ethernet 1/1 Ethernet1/1 is down (suspended by vpc) Belongs to Po1 Site will be available soon. uzzju hyjqot qbyjrrs qngrvu gguok zpkcu fsjsj ethn oxxg wznwc yfqnch jvgmct ejxyv pkrtr bbwg