Currently, we can poll the switch and get some info back, however we only see physical interfaces that belong to the admin vdc. Sep 19, 2019 if an authenticated, local attacker were able to escape the nxos cli this issue could allow them to escalate their privilege on the device. Ill explain the configuration process to configure the fex for basic connectivity. This course covers the key components and procedures you need to know to install, configure, manage, and troubleshoot the cisco nexus 7000 switch platform. Cisco nexus 7000 and nexus 7700 licensing router switch blog. The introducing cisco nxos switches and fabrics in the data center dcinx course gives you a technical overview of the cisco nexus switches key capabilities including platforms, architecture, software, management, and features that contribute to performance, high availability, flexibility, operational simplicity, and investment protection.
The default vdc can also be configured as an f2 series module vdc. This course covers the key components and procedures you need to know to configure, manage, and troubleshoot the cisco nexus 7000 series switch. A shared interface enables fcoe traffic to be segmented into the storage vdc at the edge of the network. The cisco nxos software provides the base upon which vdcs are supported. Vdc1 cisco nexus 7000 series nxos virtual device context command reference, release 5. Vdcs allow the partitioning of a single physical nexus 7000 device into multiple logical devices. Vdc configurable only on nexus 7k 7000, 7700 series. You can configure each vdc with an ip address with same segment with other ip. Virtual device context vdc overview and configuration. Storage vdc configuration cisco nxos fcoe configuration guide for nexus 7000 and mds 9500 ol2580902. Communication between vdcs on cisco nexus 7000 via virtual. These requirements could limit the possibility of a successful exploit. Vdc resource templates set the minimum and maximum limits for shared physical device resources when you create the vdc.
All of these features are unique in cisco nexus 7000 and cisco nexus 5000. Cisco nexus 7000 series virtual device context configuration. On a cisco nexus 7000 series switch, when a transceiver is removed or inserted on an interface in a vdc for example vdc1, a trap is sent to all the vdcs in the switch including the vdc1. Devices configured for multiple virtual device contexts. Fcoe on the nexus 7000 also supports a unique capability that enables interfaces to be shared between two vdcs. In order to be able to poll interfaces within a non. Cisco nexus 7000 devices virtual device context privilege. Cisco nexus 7000 series nxos virtual device context. Dcinx introducing cisco nxos switches and fabrics in. The modular cisco nexus 7000 and 7700 switches deliver a comprehensive cisco nxos feature set and opensource programmable tools for softwaredefined networking sdn deployments.
This course covers the key components and procedures you need to know to configure, manage, and troubleshoot the cisco nexus 7000. How to configure cisco nexus vdc data center letsconfig. Cpu shares provide the capability to configure cpu access and prioritization for each vdc. Cisco virtual device context vdc on nexus 7000 first command vdc tinyvdc in global configuration mode will created the vdc that i called tinyvfc. You, or the vdc administrator, must configure the interface from within the vdc.
Introducing cisco nxos switches and fabrics in the data. The cisco nxos software does not support direct communication between vdcs on a single physical device. Below is the very basic explanation of cisco vdc and i hope you will be able to understand by reading it once only ciscos virtual device context or vdc is basically a concept of dividing a single nexus 7000 hardware box into multiple logical boxes in such a way that they look like different physical device to a remote useroperator and each of the provisioned logical devices is configured and. Virtual device contexts vdcs introduction to cisco nx. F2 linecards require a dedicated vdc if they are in the same chassis as any other m1 or f1 linecard. This chapter provides release specific information fo r each new and changed feature in the. Vdcoperatorread access limited to a vdc default user role. Nexus 7k getting started examples part1 basics, vdc and vpc. Dcnx7k configuring cisco nexus 7000 switches training. This enables the nexus 7000 to be used in the access layer of networks where servers connect to the switch and use fcoe. Cisco nexus 7000 and nexus 7700 modular switches, the main chassis. Configuring cisco nexus 7000 switches dcnx7k training. After you create the storage vdc, you assign specified fcoe vlans.
Nexus 7000 snmp polling of interfaces within vdcs cisco. In a redundant supervisor configuration, the vdc can be shut down. The introducing cisco nxos switches and fabrics in the data center dcinx v1. Cisco nexus 7000 series virtual device context configuration guide. You must make a physical connection from a port allocated to one vdc to a port allocated to the other vdc to allow the vdcs to communicate. View and download cisco nexus 7000 series configuration manual online.
In addition, the attacker must have administrative privileges in a specific vdc on the device. If an authenticated, local attacker were able to escape the nxos cli this issue could allow them to escalate their privilege on the device. Nexus 7000 unified fabric configuration cisco nxos and. Techsherpas 365 offers a wide range of cisco courses and certifications. They offer highdensity 10, 40, and 100 gigabit ethernet with application awareness and performance analytics.
You will have handon practice exploring key features including virtual device contexts vdc, first hop redundancy protocols fhrps, and user management. Allocating interfaces to a vdc on a nexus 7000 the it. You cannot manage an interface if it does not belong to that vdc. Identify the platforms that make the cisco nexus 7000, 5000, 3000, and 2000 product families implement cisco nexus. The cisco nexus 7000 f2eseries fiber modules vdc feature helps enable the. Gns3 nexus nxosv switch setup and configuration part 1.
When i do a show vdc membership, the vdc in question has no interfaces allocated to it. The configuring cisco nexus 7000 switches dcnx7k v3. This is applicable for a module removal or insertion and other physical entity events. Hi dominic, as for the context, i think this has got to do with the ethernet vdc and storage vdc configuration requirements and restrictions. Page 25 related documentation for cisco nexus 7000 series nxos software related documentation for cisco nexus 7000. Vdc is said to be virtual device context, supported by cisco nxos software series. Interfaces that belong to the same port group must belong to the same vdc.
Finally, you configure interfaces on the cisco nexus 7000 series device as either dedicated fcoe interfaces or as shared interfaces, which can carry both ethernet and fcoe traffic. Cisco nexus 7000 devices contain a vulnerability that could allow an authenticated, local attacker to gain elevated privileges. You can explicitly specify a vdc resource template, or you can use the default vdc template provided by the cisco nxos software. We have a vdc in case of the nexus 5000 this is the only vdc, which is functioning in layer 3 mode, but which misses the actual forwarding hardware that would allow it to route packets. The default vdc vdc 1 is where all interfaces are initially located and then can be assigned into a vdc from there. Cisco nexus switch has features such as vdc virtual device contexts, vpc virtual port channel, fabric path, fex, otv, checkpoint and rollback, trustsec, etherealwireshark and many more. On a cisco nexus 7000 series switch, when a transceiver is removed or inserted on an interface in a vdc for example vdc 1, a trap is sent to all the vdcs in the switch including the vdc 1. Software operating system, with enhanced features to deliver realtime. Cisco nexus 7000 series nxos cli management best practices guide. Sep 25, 2016 gns3 nexus nxosv switch setup and configuration part 1. Cisco content hub cisco nexus 7000 series switches. Nexus 7000 series switches running an affected version of cisco nxos software.
Page 60 storage vdc on cisco nexus 7000 series switches example. Cisco nexus 7000 series nxos quality of service command reference, release 5. An f2 series module requires its own f2 series module vdc. Cisco nexus 7000 series nxos quality of service command. Overview the configuring cisco nexus 7000 switches dcnx7k v3. A cisco nexus 7000 series switch can act as the parent switch for a cisco nexus fabric extender. Administrator vdc enables network administrators to configure systemwide settings such as controlplane policing copp vdc creation, suspension, and. When the nexus 7000 switch was introduced, one of its major features trumpeted by cisco was virtualization in the form of virtual device contexts vdcs. In a very high level explanation, this switch is a switchport module in a separate 1u chassis, which is configured and controlled from a nexus 50007000. Configuring cisco nexus 7000 switches techsherpas 365. Virtual device contexts vdcs introduction to cisco nxos. Configuring cisco nexus 7000 switches training dcnx7k v3. Virtual port channels, or vpcs, are another feature of the nexus 7000 switch. An interface can only exist in one vdc and managed from that same vdc.
Vdc a and vdc, but vlans used in the storage vdcs must not be used in any other ethernet vdc more info on this can be found on nexus 7k vdc configuration guide. The cisco nxos software starts vdcs that have the same boot order value in parallel. Jun 11, 20 below is the very basic explanation of cisco vdc and i hope you will be able to understand by reading it once only ciscos virtual device context or vdc is basically a concept of dividing a single nexus 7000 hardware box into multiple logical boxes in such a way that they look like different physical device to a remote useroperator and each of the provisioned logical devices is configured and. Nxos is the operating system used in nexus devices. Foundation the configuring cisco nexus 7000 switches dcnx7k v3. This one isnt pretty, but it is what it is for now. Cisco nxos based devices that support vdc functionality utilize environmental variables to maintain vdc state.
As per the section integrating f2 series modules into a cisco nexus 7000 series system in the nxos 6. The nexus 7000 nxos software supports virtual device contexts. Vdcadminreadandwrite access limited to a vdc vdcs are not yet available on nexus 5000. Managing cisco nexus platforms cisco nexus commandline interface cli and gui. This course is designed for systems and field engineers who configure the cisco nexus 7000 switch. Configuring an admin vdc configuring vdc resource templates. Cisco nxos software for cisco nexus 7000 series switches. In hindsight, this behavior has some obvious parallels with the nexus 7000 case that i found on the cisco support community. Virtual device contexts vdcs the nexus 7000 nxos software supports virtual device contexts vdcs, vdc s allow the partitioning of a single physical nexus 7000 device into multiple logical devices. Dcnx7k configuring cisco nexus 7000 switches training online web. M1 and f1 ports cannot be in the f2 series module vdc. I am trying to allocate an interface to a vdc but am getting the following error.
You cannot change the boot order for the default vdc or. Everything you wanted to know about data center design but did not know who to ask duration. Cisco nexus 7000 f2series enhanced 48port fiber 1 and 10. Cisco nexus 7000 user accounts and rbac afroz ahmad. A nexus 7000 switch does not currently support having ingress netflow sampling and dhcp relay configured on the same interface. This logical separation provides the following benefits. Cisco nexus 7000 series nxos layer 2 switching configuration guide, release 4. A standalone copy or paraphrase of the text of this document that omits the distribution url is an uncontrolled copy and may lack important information or contain factual errors. Hi all, i hope this is a relatively easy question to answer. Cisco nxos software licensing for cisco nexus 7000 series.
I have some nexus 7010s that i need to monitor via snmp. The modular cisco nexus 7000 and 7700 switches deliver a comprehensive cisco nxos feature set and opensource programmable tools for software defined networking sdn deployments. Virtual device contexts vdcs the nexus 7000 nxos software supports virtual device contexts vdcs, vdcs allow the partitioning of a single physical nexus 7000 device into multiple logical devices. New introducing cisco nxos switches and fabrics in the. Configuring cisco nexus 7000 switches training dcnx7k. The cisco nxos software provides a virtual management mgmt 0 interface for outofband management of each vdc. Dcinx introducing cisco nxos switches and fabrics in the. Configuring vdc cisco vdc configuration configuring vdc. Cisco nexus 7000 series configuration manual pdf download. The cisco nxos software reserves the minimum limit for the resource to the vdc. Cisco nexus 7000 and nexus 7700 series power supply options. Storage vdc on nexus 7000 the it networking community.
513 1271 1070 490 1433 852 470 1371 156 381 1357 932 571 591 1420 492 823 794 500 717 62 387 542 733 1018 149 107 1030 19 1216 473 1171