As already noted by Leo, StackWise would be the "VSS" equivalent on a 9500, although, if I understand the datasheets, it's StackWise Virtual that would be most like VSS. Like VSS (Virtual Switching System) StackWise Virtual is a network virtualization technology that combines two 9K catalyst switches and works as a single logical switch using 40G or 10G links. It's like you have only one switch to manage. Power off both switches and power on ONLY the older version and upgrade from FTP. The defaultvalueisone. StackWise Virtual feature, which allows you to manage two Cisco Catalyst 9000 Switches as a single switch. Enhanced PAgP dual-active detection is supported on supervisor module. HTH. StackWise Virtual Link (SVL) connections are established only through 10G or 40G uplink ports on the supervisor module. Device(config-if)#exit On Switch 2: Device(config)#interface FortyGigabitEthernet1/0/3 Device(config-if)#stackwise-virtual dual-active-detection Please reload the switch for Stackwise Virtual configuration to take effect Upon reboot, the config will be part of running config but not part of start up config. StackWise Virtual is also supported on all Cisco Catalyst 9500 high performance models: C9500-24Y4C, C9500-48Y4C, C9500-32QC, C9500-32C. Also the hassle of upgrades. Step 6: write memory. The StackWise solution is an enhancement of Cisco Virtual Switching System (VSS), available on Cisco Catalyst 6500 Series switches. ago. switch 1 provision ws-c3850-48xs switch 2 provision ws-c3850-48xs stackwise-virtual domain 1 interface TenGigabitEthernet1/0/45 stackwise-virtual link 1 ! interface TenGigabitEthernet1/0/46. In the event of failure, the failed supervisor has to be manually replaced. ISSU helps network administrators avoid a network outage when performing a software upgrade. Hello, Does anyone know if the Cisco Catalyst 9000 range range supports VSS and if all the range supports VSS. dual-activedetectionpagptrust channel-groupchannel-groupid Example: Step11 Device(config-stackwise-virtual)#dual-active detectionpagptrustchannel-group1 ExitstheStackWise-Virtualconfiguration mode. 1 or newer on the Catalyst 9400 series. A pair of Catalyst 9500 switches on the other hand using StackWise Virtual, or VSS are much more resistant to such outages or failures. This video shows in 7 easy steps how to conf. VSS is the term used for stacks running Cisco IOS. LAN automate the two devices and any other Edge device that connects to them, Then convert the two devices to SVL manually. Control data and power cables are used. Anyway, "Stackwise Virtual" in the 9400 world means "VSS", which means there is no special stacking cable (like the ones for the 3850, 3750, etc. Fast Hello dual-active detection is supported only on supervisor module ports. Different platforms of switches support. The 9300 is mainly designed for the access layer. Labels: Labels: LAN Switching;Cisco 3850 Virtual Stackwise keeps crashing. The Catalyst 9300 supoorts StackWise-480. Dear community. The Cisco StackWise Virtual feature includes the following enhancements in this release: The feature is now supported on the following hardware: Cisco Catalyst 9400 Series Supervisor 1XL 25G Module (C9400-SUP- 1XL -Y) Cisco Catalyst 9400 Series 10 Slot Chassis (C9410R) Supervisor is NOT SUPPORTED (for now). The question which ports StackWise Virtual Link (SVL) SVL is a special inter-chassis system link between two stack members in a StackWise Virtual domain. 10. It already seemed wonderful to me if the Catalyst 9300 supports stackwise and / or VSS. Lately I've been configuring and deploying a lot of Cisco Catalyst 9K series switches. Stackwise Virtual is an IOS-XE term for what VSS is to IOS. Stackwise Virtual の概要. What type of switches are you planning to use for access and what type for core? HTH Cisco VSS. 6 Tbps in wired switching capacity, with up to 6. Stackwise is used on the Cisco Catalyst 3750 (and some others like the 2960-S) switches while VSS is used on the 4500 and 6500. Switch Size. Redundant chassis with StackWise, StackWise Virtual, or Virtual Switching System (VSS) also provides SSO • Traffic loss minimized for failure of active control plane. So many people need this feature otherwise we have gone back to old days with GLBP AND HSRPVSS is the term for stacking two IOS chassis together. No FHRP. Now Cisco 9K series switches comes with the Stackwise virtual in stead of VSS ( which is same concept technically). It enables stack fabric communication over network. Stack-wise Virtual in Catalyst 9K Switches! A pair of Cisco Cat9K 9500's EGO was preparing for Stack-wise. Switches in a Cisco StackWise Virtual solution increase operational efficiency by using single control and management plane, scale system bandwidth with distributed forwarding plane, and assist in building resilient networks using the recommended network design. The default Switch priority is 1 and the highest is 15. Traffic on the StackWise Virtual link is load balanced with the same global hashing algorithms available for EtherChannels (the default algorithm is source. A StackWise Virtual link also transports system data, such as NetFlow export data and SNMP data, from the Cisco StackWise Virtual standby switch to the Cisco StackWise Virtual active switch. To update the MAC address on the StackWise virtual domain, execute the command “stack-mac update force. 3. Stackwise and VSS are both techniques to create a single virtual switch out of multiple physical switches. By connecting a VSS domain (6509, domain ID 200) and stackwise virtual (9407, domain ID 150) via one etherchannel link of two ports, it crashed completely the entire production network. chassis-2 backup sup. VSS also runs HSRP with the difference being that both HSRP addresses are active in forwarding traffic. Same concept. Just deployed a pair of these (Catalyst 9500-40-X-A) for a small core at my work about 11 days ago. VRRP setup is described in the documentation at this link (for Ios 16. The 9400 support StackWise Virtual. When designing the uplink/downlink connections between a pair of C6509 switches configured in VSS domain and a pair of C9606 configured is SV (StackWise Virtual) domain, which option is preferable: option 1 or option 2? Note: If you aren't familiar with the SV technology, imagine having two VSS domains instead. Cisco VSS. Unlike 3750 stacking, which uses special copper cables, 6500 VSS is done using 10 gig ports which can use the various 10 gig transceivers for those ports (copper or gig). 1 3 Using vPC vs. Cisco StackWise Virtual 冗長性 CiscoStackWiseVirtualは、アクティブスイッチとスタンバイスイッチ間でステートフルス イッチオーバー（SSO）を行います。以下に示す方法では、CiscoStackWiseVirtualの冗長モデ ルがスタンドアロンモードの冗長モデルと異なりま. So if the definition of the Stackwise virtual we. . The Catalyst 9300 supoorts StackWise-480. In a single StackWise Virtual domain, one of the switches will be active and one will be on standby. For layer 2 services stack-wise works pretty well. !--- Note that the Switch_ID doesn’t dictate the state (active vs. Cisco StackWise Virtual is an inter-chassis system link between two switches that actively forwards traffic (Figure 1) in the StackWise Virtual domain. 9. Catalyst 9400 chassis Stackwise-virtual (which offers the functionalities as VSS) is currently targeted with 16. VSS is for Catalyst 4500/6500/6800 platforms, while StackWise Virtual is for platforms like the Catalyst 3850 / Cat 9500. Used 10Gig Twinax cabling for StackWise Virtual and used the old 3850 "core" stack as an aggregate for the lower-speed copper stuff in our small MDF. 06-04-2022 10:43 AM - edited 06-04-2022 10:44 AM. Hi. Options. This should get enabled in a later release. . Device(config)#stackwise-virtual (Optional)SpecifiestheCiscoStackWise VirtualdomainID. 3 with the same license level. But very little of the higher-end stuff, and all of my experience predates the availability of VSF. Vss/ stackwise allows us to simplify the network management and give us the 20gb uplinks to the closets we are looking for. VSS for switches that talk only classic IOS. Updated: December 23, 2022 Contact Cisco Introduction The new Cisco ® Catalyst ® 9000 switching platform is the next generation in the legendary Cisco Catalyst switching family. I've found out that VRRPv3 is supported so i set the 2 C9500 in standalone (no stackwise) with VRRP redundancy. Restartthestandbyswitch. I would suspect it broadcasts the domain ID out which can cause issues with duplicate domains. VSS-enabled campus design follows the three-tier architectural model and functional design described in Chapter 1, "Virtual Switching Systems Design Introduction," of this design guide. Another thing to consider: VSS and Stackwise is a term used by appliances that run IOS. 03-02-2021 09:07 AM. 8. Stackwise/Stackwise Virtual are only for appliances running IOS-XE. Here, you must also configure a Domain Number. 마찬가지로 이전에 가상 스위칭 시스템 (VSS) , 가상. ThedomainIDrangeisfrom1to255. In both instances, two physical chassis for a single logical unit which makes management easier and enables cross-chassis Etherchannel. you already have configuration backup done out of the box. On the other hand, when using vPC, two Nexus switches behave like one switch (STP/LACP, etc) only from a L2 perspective. I have this problem too. The new 9500 will support StackWise Virtual which is, crudely speaking, a kind of VSS for IOS-XE. For SWV the limit is 2. Replace the member with new one at powered down state, reconnect the data-stack cables and power it on. Dual-active detection (DAD) and StackWise Virtual (SVL) link configuration must be performed manually and the device should be rebooted for the configuration changes to take effect. 0 Helpfulコンフィグに StackWise Virtual 関連設定の表示有無について. I am curious to hear peoples take on stacking core switches or not? Obviously both have pros and cons. Stackwise Virtual is a Cisco virtualization technology that allows for two Catalyst 9500 switches to virtually form a single switch, not unlike VSS with other Catalyst platforms. Step 5: end. The virtual switch link (VSL) is a sp ecial link that carries control and data traffic between the two chassis of a VSS, as shown in Figure 4-4. The 2 things do not really compare. x), the feature is also supported on the following models of the Cisco Catalyst 9500 Series Switches: * C9500-24Q. Lets get started first with VSS otherwise known as Virtual Switching System!Solved: I am going to replace an order for two switches 9606R with two supervisor engines, Signal 40 GE line cards, and a single 10 GE line card for each switch and I am planning to configure StackWise virtual between them. D. The VSS requires 67xx series switching modules. Also,. What is the benefit of StackWise virtual? It is simple: The StackWise cables make it easy to virtualize two Cisco Catalyst switches into a single logical switch. Correct, VSS is only for Catalyst series switches and vPC is for the Nexus switches which are mainly designed to be used in data centers. A StackWise Virtual link also transports system data, such as NetFlow export data and SNMP data, from the Cisco StackWise Virtual standby switch to the Cisco StackWise Virtual active switch. In the Cisco world, I learned the hard way to be very cautious with 3750G. 06-21-2021 01:57 PM. Example: Step7 Device(config-stackwise-virtual)#end Step8 show stackwise-virtual Example: Device#. Se interconectan a través de un portchannel configurado en los dos dispositivos que recibe el nombe de Virtual Switch Link (VSL). If the standby switch detects a complete loss of the VSL, it assumes the active chassis has. 3. same thing on switch 2. ThedomainIDrangeisfrom1to255. It will enable the StackWise Virtual pair to form aggregated links to. 2x 3850-12XS-S - 12x 10G SFP+. the stackwise virtual name is misleading read it as VSS ---> only two devices can be put together in a SVL pair. ISSU is supported in dual SUP HA and StackWise Virtual system. Wouldn't it make more sense to design the system with an additional data link in. Wait until supervisor becomes Stackwise Virtual standby, all line cards are up and traffic re-converges. Virtual Switching System (VSS) is a method to combine two physical switches into one logical switch to achieve physical redundancy, Spanning-Tree blocking elimination, and increased bandwidth. You cannot establish an SVL using a 10G port on one switch and a 40G port on. 4x10G breakout cables are not supported with SVLs. Sales/Marketing decision was the reason why someone had to come up with the term "stackwise virtual". Chapter Contents. Eso sí, solo dos dispositivos máximo pueden ser parte de un dominio VSS. No. € Traffic going through SWITCH-2 starts going through SWITCH-1 if downstream network is connected via a multi chassis. stackwise-virtual link 1 . The initial phase of StackWise Virtual capabilities offers consistent capabilities as a Cisco Catalyst 6K/4K VSS solution. 1. Carl. Insert the new ICS supervisors (SUP #3 and SUP #4), one in each chassis and let them boot up. Cisco StackWise Virtual uses SVL to communicate system and protocol information between the peer switches and to carry data traffic between the two switches. stackwise-virtual link 1 . Unlike switch stacking, VSS uses standard Ethernet links to connect. At least in my opinion. You have to reboot the switch via redundancy force-switchover. Power down one Stackwise-Virtual chassis – say SWITCH-2. They both provide SSO with non-stop forwarding and allows two chassis to operate as one single entity. It is a method to handle multiple signals simultaneously. Options. Now, a single switch is not going to support all three of these. Used with CAT9300's, 9200's, etc. Example: Device#write memory: Saves the running-configuration which resides in the system RAM and updates the ROMmon variables. Starting with this release (16. Modular Chassis. You must use either two VS-S720-10G-3C or two VS-S720-10G-3CXL supervisor engine modules. The 9300 Series is the industry’s highest-density stacking bandwidth solution with flexible uplink architecture. 0 Helpful Reply. In Cisco StackWise Virtual, the Cisco StackWise Virtual active switch runs the Layer 2 and Layer 3 protocols and features and manages the ports on both the switches. Assigns the router MAC address from a reserved pool of domain-based addresses. Same concept. The two switches operate as one; they share the same configuration and forwarding state. ReplyOptions. 9400 chassis Stackwise-virtual (which offers the functionalities as VSS) is currently targeted with 16. Error: waiting for 120 seconds for other switches to boot. Device(config-if)#stackwise-virtual link 1: Associates the interface with configured SVL. VSS is configuring 2 devices so that they appear as a single virtual device - Used for larger switches in a network core, provides redundancy etc VPC is configuring a single device. A review of VSS (Virtual Switching System) and StackWise “Chassis Redundancy” systems for the CCNP SWITCH exam, I already have a full blow Stackwise post here, however VSS doesn’t need to be beat to death to get the must knows for exam day down!. ELI5. It is designed for the new era of networking, with ASIC and software innovations to deliver an intent-based network. Does not support ISSU. I had a weird behavior with my switches. StackWise Virtual. 02-08-2019 06:30 AM. So, no StackWise virtual/VSS there only stacking with a short cable. 16. owner of the StackWise Virtual MAC address, the system will continue to function with the same MAC address unless the StackWise Virtual domain reloads or the user explicitly updates the stack MAC address. Cisco StackWise Virtual is a network system virtualization technology that pairs two switches into one virtual switch to simplify operational efficiency with a single control and management plane. And the last information, I found in the Cisco Community Forum was from 2017. A VSS will allow two physical Cisco Catalyst Series Switches to operate as a single logical virtual switch called a virtual switching system. However, it’s an innovative extension of traditional stacking technology. ) needed. Without more research, though, cannot say whether StackWise, when using multi-chassis Etherchannel, works like non-virtual StackWise or like VSS when. 8. . standby) of the supervisor. And yes, LACP should be supported with whatever license that comes with the switch/sup. All line cards in both chassis still continue forwarding. Only if you’re running VSS (2 switches stacked in a Virtual switch) and everything is mLAG’d or at least configured to have some sort of failover networking into both switches. Because it also uses conventional 1/10G ports, it can use fiber links and achieve long distances, such as building a switch stack with a pair of chassis geographically distributed. BB. Further, VSS, has IAs on 6xxxx platforms (I recall the technology is being dropped), and VPC offers fabric extensions devices. This PDF document provides the configuration guide for Cisco StackWise Virtual (SVL), a feature that allows two Catalyst 3850 switches to operate as a single logical entity. Cisco StackWise: Technology for stacking up to nine switches using propietary stacking modules and cables, therefore it is used within a closet. Cisco ® Catalyst ® 9000 platform StackWise ® Virtual technology allows the clustering of two physical switches together into a single logical entity. StackWise Virtual 構成で、下記コンフィグは Running-config に表示されますが、Startup-config に表示されません。. The two switches. Figure 4-3 Switch Interconnected Through VSS Virtual Switch Link For the two chassis of the VSS to act as one network element, they need to sh are control information and data traffic. Steps high level - 1. I am coming from a Cisco background. The two technologies are aimed to have feature parity. Virtual Switching. Example: Step7 Device(config-stackwise-virtual)#end Step8 show stackwise-virtual Example: Device#. They are configured with stackwise-virtual on ports Te1/0/15, Te1/0/16 and Te2/0/15, Te2/0/16. The in-chassis standby Supervisors if available will be powered-off by the system during the StackWise Virtual conversion. I currently run a pair of 4500x in the core in a VSS configuration. Stackwise Virtual is an IOS-XE term for what VSS is to IOS. It enables extending stack fabric communication over network ports to virtualize the system. In response to Joe Ank. Once completed, the two C9600 switches are available in Quad-Supervisor Stackwise Virtual setup. Device(config-if)#stackwise-virtual dual-active-detection: Associates the interface with StackWise Virtual dual-active-detection. domain id Example: Device(config-stackwise-virtual)#domain 2 Step6 end ReturnstoprivilegedEXECmode. ago. They both provide SSO with non-stop forwarding and allows two chassis to operate as one single entity. StackWise Virtual configuration on Switch 1: Switch# switch priority 15 Switch# Switch# config terminal Enter configuration commands, one per line. Use a StackWise Virtual domain ID between 1 and 255 to avoid conflict in the network. Hi All, Currently scratching my head to figure out the maximum number of switches Stackwise Virtual can support. This white paper talks in detail about the benefits. 9400 will, in the roadmap, will support Stackwise Virtual. Example Virtual MAC Address configuration VSS(config-vs-domain)# switch virtual domain 100 VSS(config-vs-domain)# mac-address use-virtual VSS (config-vs-domain)#mac-address use-virtual Configured Router mac address (0008. 4 Tbps bandwidth per slot. It will support StackWise Virtual (SVL) on 10G and 40G links for all 9500. VSS / StackWise Virtual. 5G, 5G, or 10 Gbps) no uplink module. Cisco StackWise Virtual uses SVL to communicate system and protocol information between the peer switches and to carry data traffic between the two switches. There are some software requirements for Stackwise-Virtual depending on the hardware platform you’re going to be running. Cisco StackWise Virtual is a network system virtualization technology that pairs two switches into one virtual switch. I'm not confident of letting the switches in this state because split brain can now occur. Cisco StackWise Virtual: Very similar to VSS, is like an evolution. However, SVL connections will not initially be supported on the uplink module. Ports FortyGig1/1/2-3 on the primary switch and ports FortyGig2/1/2-3 on the secondary switch are used for traffic, and ports FortyGig1/1/4 and FortyGig2/1/4 are used as the keepalive. Wait until supervisor becomes Stackwise Virtual standby, all line cards are up and traffic re-converges. StackWise Virtual does not require the same "shared brain" implementation, making it more robust or resistant to defects that impact the entire redundant pair. - Stackwise-virtual link 1. If "chassis-2 back up" fails, nothing will happen, as all the line cards are being manged by "chassis-1 primary sup". The stack cable can be only up to 3 meters (or 5 meters ) so it is not possible to keep the stack and move a switch in the other server room. Hello. 2. TECCRS-2001 35. 2nd: Stackwise virtual link config (SVL): conf t interface range tenGigabitEthernet 1/0/1-2 stackwise-virtual link 1 end. 1. At layer 3 I'll jump to a 9500 and do the Stackwise Virtual. Because it also uses conventional 1/10G ports, it can use fiber links and achieve long distances,. 本文将介绍Cisco StackWiseVirtual技术, 简称SV StackWise Virtual技术简介: StackWise Virtual技术使用10G或者40G接口连接, 将2台交换机虚拟成1台交换机. Traditional Port-channel is a - Increases the available bandwidth between two devices. The two technologies are aimed to have feature parity. Multichassis Etherchannel (MEC) is the implementation name used in Cisco switch families with Virtual Switching System (VSS) capability, StackWise, and vPC are options that are deployed in enterprises and data centers across the world. VSS, Stackwise, Stackwise Virtual are the same. I was trying to get a pair of C9500-16X configured with 1Gb links temporarily and ran into a confusing issue. Once completed, the two C9600 switches are available in Quad-Supervisor Stackwise Virtual setup. Another point in favor of stacking is the optics required back to distribution. Use a Switch ID between 1 and 9. Unfortunately it’s going to reboot one switch at a time, and when that switch goes down, it’s not going. I also think Stackwise Virtual is a better solution than VPC. It provides higher scale for system virtualization at the network layer. Introduction Cisco StackWise, VSS, and vPC Flackbox 55. . Requirements. Stackwise and VSS are both techniques to create a single virtual switch out of multiple physical switches. Stackwise is used on stackable. This solution comprises of two switches that are connected together to form one virtual switch. Multichassis Etherchannel is a Layer 2 multi-path technology that allows connected nodes to terminate the. The best I can say right now is that the next major code release is planned to have support for 9600 + SWV. 6 Tbps wired switching capacity, with 8 Bpps of forwarding performance is unleashed with Cisco Catalyst 9600 Series. Single management plane. StackWise; Virtual Switching System (VSS) StackWise¶ StackWise and StackWise Plus options available; Supported on Catalyst 3750-E, 3750-X and 3850; Uses special “stacking” cables deployed in a daisy-chain to form a ring; Traffic is carried bi-directional across the stacking switch fabric;The big functional difference, VSS behaves as one logical device (although it avoids moving traffic ti/from its peer) while VPC operates as two logical devices except for the VPC port-channel. Igual que Stack el objetivo de VSS es tener logicamente un solo dispositivo Virtual, una sola administración para los dos Switches. In Cisco StackWise Virtual, the Cisco StackWise Virtual active switch runs the Layer 2 and Layer 3 protocols and features and manages the ports on both the switches. LACP is standard and used pretty much by all vendors. On Switch 2: Device>enable Device#configure terminal Device (config)#interface FortyGigabitEthernet1/0/5 Device (config-if)#stackwise-virtual link 1 WARNING: All the extraneous configurations will be removed for FortyGigabitEthernet1/1/1 on reboot INFO: Upon reboot, the config will be part of running config but not part of start. Virtual Port Channel does not create a virtual switch out of two physical switches like Virtual Switching System (VSS) and StackWise Virtual (SWV) do. Thank you both Reza and Paul, very helpful information. However, the StackWise Virtual technology is a new innovation that is extended based on traditional stacking technology. 라스 베이거스에서 열린 Cisco Live 2016에서 Cisco는 3850 스위치 시리즈 및 이후 버전 인 새로운 Cisco Catalyst 9500 제품군에서 IOS XE Denali 가 지원하는 " StackWise 가상 " 이라는 새로운 기능을 선보였습니다 . But 4500-x supports VSS and the 9500 supports StackWise Virtual which is the same as VSS. Virtual Stackwise extension of VSS. Introduction. Options. The protocol is Fast-Hello. Will this work? 1. By installing this version I should be able to enable StackWise Virtual Configuration but for some reasons I'm not able to use this command in global config. VSS, Stackwise, and Stackwise-virtual make multiple switches look like one managed device. In Cisco StackWise Virtual, the Cisco StackWise Virtual active switch runs the Layer 2 and Layer 3 protocols and features and manages the ports on both the switches. A. I have used the older entry-level ProCurve switches for years, going back to the old 2626/2650 and 2824 back in the mid-to-late 2000s. Better link utilization, loop-free topology for L2 connectivity. Better link utilization, loop-free topology for L2 connectivity. Options. 1 person had this problem. This document. Step 6: write memory. Power off the member switch that needs to be replaced, disconnect power-stack and data-stack cables from it. 1 or newer provides support for the Catalyst 3850XS and all 9500 series switches. If. A StackWise Virtual link also transports system data, such as NetFlow export data and SNMP data, from the Cisco StackWise Virtual standby switch to the Cisco StackWise Virtual active switch. First, you can use the same command as before, replacing the switch ID with the switch ID of the standby virtual switch: vss#redundancy reload shelf 1. Thankfully I was in a maintenance window and. This is similar to the Virtual switching system (VSS) in the traditional 4500,6500 series. take example : cat6K, each chasis has single supervisor, they are in VSS , chasis 1 supervisor fails - Second chasis sup will take over, there is no data plane traffic expect to fail. The 9300X is fast. 1) vPC is Nexus switch specific feature,however,VSS is created using 6500 series switches. Stacking is supported on different models; like the 3850s, 3650, 9300, etc. There is no difference. Saravanan. I've dealt with traditional Stackwise on 3750/X/3850 and VSS on 4500X, but haven't deployed Stackwise Virtual yet. Catalyst 9500's will be the L2 STP Root & Alternate-Root. You also have two options to reset the standby virtual switch. Device(config)#stackwise-virtual (Optional)SpecifiestheCiscoStackWise VirtualdomainID. Cisco VSS. StackWise, VSS, and vPC . 02-28-2020 12:38 AM. I am trying to find information about configuring VSS on 2 Cisco 9200L switches. StackWise Virtual configuration on Switch 1: Switch# switch priority 15 Switch# Switch# config terminal Enter configuration commands, one per line. 4. Post ReplyCisco StackWise Virtual is a network system virtualization technology that pairs two switches into one virtual switch to simplify operational efficiency with a single control and management plane. Device(config-if)#stackwise-virtual dual-active-detection: Associates the interface with StackWise Virtual dual-active-detection. This video introduces you to the Stackwise Virtual architecture and discusses how this architecture provides high availability in a network. The 9300 is mainly designed for the access layer. Configuration required to add Chassis into VSS group. No dedicated link explicitly for control and management traffic. Virtual Port Channel vs. It also explains how to troubleshoot common issues and upgrade the software. ISSU Upgrade . VSS/Stackwise Virtual doesnt "eliminate" spanning tree. we have 2 couples of 3850-48XS (C and K) stacked in 2 different datacenters experiencing dual active and reloads on both the stacks. What type of switches are you planning to use for access and what type for core? HTHCisco StackWise Virtual - Supported and Unsupported Features . A: The Catalyst 9200 supports StackWise®-160 while the Catalyst 9200L supports StackWise-80. Cisco Catalyst 9500-48Y4C does not support StackWise virtual at the moment. Talk to your Cisco. * C9500-12Q. การที่จะนำ Core Switch 2 ตัวมาทำ HA หรือ Redundancy กัน จะต้องใช้ Technology หากเป็นสมัยในอดีตเราก็จะใช้ HSRP, VRRP ต่อมาบน Cat4K, Cat6K เราใช้ VSS (Virtual Switching System) เพื่อทำ Active/Hot Standby แต่การมาของ. stackwise-virtual link 1 . fe40). It carries all the control and data traffic between the switching units. Stackwise Virtual and VSS are essentially the same function. You cannot have a switch stack containing a mix of Catalyst 3850 and Catalyst 3650 switches. 9 release. Cisco StackWise Virtual uses StackWise Virtual link to communicate system and protocol information between the peer switches and to carry data traffic between the two switches. switch mode virtual switch 1 priority 110 switch 2 priority 110 cr2-6500-vss#show switch virtual Switch mode : Virtual Switch Virtual switch domain number : 10 Local switch number : 2 Local switch operational role: Virtual Switch Active Peer switch number : 1 Peer switch operational role : Virtual Switch Standby VSS Technology. ISSU is supported in install mode. SVL works on new models Like cat 9K Modes ( Like Cat9500, Cat 9400, Cat 9600)02-20-2020 07:29 AM. A Yes. Cisco StackWise Virtual uses SVL to communicate system and protocol information between the peer switches and to carry data traffic between the two switches. We recommend the Cisco StackWise Virtual model for aggregation layers and collapsed aggregation and core layers. ThedomainIDrangeisfrom1to255. VSS is a single management system, basically it is a stacking technology, while VPC is a two nodes cluster exchanging their FIB plus some preventions of loop/dual active. 배경 정보. 9400 will, in the roadmap, will support Stackwise Virtual.