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Updated:August 7, 2018
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This document describes the features, limitations, and bugs for Cisco Nexus 1000 Virtual Edge for VMware vSphere (Cisco Nexus 1000VE) Release 5.2(1)SV5(1.1).
Use this document in combination with documents listed in the Related Documentation section.
The Cisco Nexus 1000VE for VMware provides a distributed, virtual switch that extends across multiple virtualized hosts. The Cisco Nexus 1000VE manages a data center defined by the vCenter Server. Each server in the data center is represented as a line card in Cisco Nexus 1000VE and can be managed similar to a line card in a physical Cisco switch.
The Cisco Nexus 1000VE consists of the following components:
Virtual Supervisor Module (VSM), which contains the Cisco CLI, configuration, and high-level features.
Virtual Service Engine (VSE), which acts as a line card and runs in each virtualized server to handle packet forwarding and other localized functions.
Software Compatibility
The servers that run the Cisco Nexus 1000VE VSM and VSE must be in the VMware Hardware Compatibility list.
Cisco Nexus 1000VE Release 5.2(1)SV5(1.1) supports vSphere 6.0 and later release trains. Cisco Nexus 1000VE supports all virtual machine network adapter types that VMware vSphere supports.
Refer to the VMware documentation when choosing a network adapter. For more information, see the VMware Knowledge Base article #1001805.
Table 1 lists the minimum software versions compatibility between Cisco VSG, Cisco PNSC, and Cisco Nexus 100VE.
Table 1 Software Compatibility
Cisco Nexus 1000VE Version
Cisco VSG Version
Cisco PNSC Version
VMware vCenter Version
5.2(1)SV5(1.1)
VSG 2.2.1
VSG 2.2.2
PNSC 3.4.2b
PNSC 3.4.2c
For a Windows appliance, version 6.0U3 and above.
For a VC Linux appliance, version 6.0 and above.
Note Migration to Cisco Nexus 1000VE is supported only from Cisco Nexus 1000V, Release 5.2(1)SV3(3.1) and later.
Configuration Scale Limits
The following topics provide configuration scale limit information:
Table 3 lists the configuration scale limits that apply and supersede the scale numbers shown in Cisco Nexus 1000V Configuration Scale Limits section for Cisco VSG.
Table 3 Cisco VSG Configuration Scale Limits
Feature
VSE
vDS
VSG
150 protected by VSG
2400 ports protected by VSG
Important Notes and Limitations
This section lists important notes and limitations for Cisco Nexus 1000VE:
vMotion service gets enabled for VMkernel adapter automatically that causes migration of unwanted VMKernel adapters to outside trunk vDS which eventually affect some services supported on those VMKernel ports. Please refer VMWare documentation or online public forum discussions for more information.
The command switchport private-vlan trunk allowed vlan add <> is not automatically migrated from Classic Nexus 1000 V to Cisco Nexus 1000 VE. After the migration, you need to explicitly configure the command on Cisco Nexus 1000 VE.
The non-participating vEthernet ports on Cisco Nexus 1000 VE VSMs are deleted periodically every 30 minutes.
We recommend you to use Cisco Nexus 1000VE Manager vCenter Plugin to deploy or migrate N1KVE. For detailed information, see: VSE Deployment Using Cisco Nexus 1000VE Manager vCenter Plugin.
We recommend you to use vmk0 IP address for adding the host to the vCenter. VSE module attach might fail if ESXi host is added using IP address of another vmk.
We recommend you not to use write erase and reload vsm commands because they erase entire startup configuration including default port-profiles. Otherwise you need to manually move the ports to respective port-profiles, after the reload.
Virtual Ethernet port are dynamically assigned and are not fixed for Virtual Machines.
There is some traffic loss after a Virtual Machine (vMotion) is migrated from one host to another.
Cisco Nexus 1000VE supports installation of VSM on VMware vSphere ESXi, CSP 2100, and N1100.
Note Cisco Nexus 1000VE supports only ISO file installation. OVA file is not supported.
Bulk migration of all the Virtual machine adapters attached to a port group configured in Nexus 1000VE VSM to any other destination network is not supported.
Bulk migration of Virtual Network Adapters to Cisco Nexus 1000VE vDS should be limited to batches of 50 ports, with a delay of 30 seconds between batches.
If Cisco Nexus 1000VE VSE Management port-group is part of Virtual Standard Switch, make sure that the same port-group is replicated in all the ESXi Hosts intended to be migrated.
Ensure that the management port-group is unique across all the vDS in the Datacenter.
Only one uplink port-profile is supported on Cisco Nexus 1000VE per ESXi Host. If an ESXi Host in Cisco Nexus 1000V utilizes multiple uplink port-profiles, then consolidate to a single uplink port-profile before migration.
Only Hosts using common uplink Ethernet port profile can be migrated as a batch.
Only the supported configurations are migrated from Cisco Nexus 1000V VSM to Cisco Nexus 1000VE VSM. The Cisco Nexus 1000VE Manager migration plugin tool filters out the unsupported configurations.
Ensure that you have configured different vmknics for Cisco Nexus 1000V specific services (for example, ERSPAN/VSG) and VMware specific services (for example, vMotion) before the migration.
Migration from Cisco Nexus 1000V to Cisco Nexus 1000VE could result in packet drops during the migration.
If the ERSPAN source and destination are in different subnets, and if the ERSPAN source is an L3 control VM kernel NIC attached to a Cisco Nexus 1000VE VSE, you must enable proxy-ARP on the upstream switch. If you do not enable proxy-ARP on the upstream switch (or router, if there is no default gateway), ERSPAN packets are not sent to the destination.
DHCP is not supported for VSM management IP. The management IP must be configured statically.
When a VSE communicates with the Cisco VSG in Layer 3 mode, an additional header with 94 bytes is added to the original packet. You must set the MTU to a minimum of 1594 bytes to accommodate this extra header for any network interface through which the traffic passes between the VSE and Cisco VSG. These interfaces can include the uplink port profile, the proxy ARP router, or a virtual switch.
To upload VSE OVF file to the content library in VMware vCenter version 6.0, the URL option should be used. You cannot upload VSE from the local machine.
Using the Bug Search Tool
Use the Bug Search tool to search for a specific bug or to search for all bugs in a release.
Step 3 To search for a specific bug, enter the bug ID in the Search For field and press Return.
Step 4 To search for bugs in the current release:
a. In the Search For field, enter Cisco Nexus 1000VE and press Return. (Leave the other fields empty.)
b. When the search results are displayed, use the filter tools to find the types of bugs you are looking for. You can search for bugs by modified date, status, severity, and so forth.
To export the results to a spreadsheet, click the Export Results to Excel link.
Open Bugs
The following table lists the open bugs in Cisco Nexus 1000VE Release 5.2(1)SV5(1.1). The IDs are linked to the Cisco Bug Search tool.
Table 4 Open Bugs in Cisco Nexus 1000VE for VMware vSphere Release 5.2(1)SV5(1.1)
The scroll bar is not available for the "custom" datastore.
MIB Support
The Cisco Management Information Base (MIB) list includes Cisco proprietary MIBs and many other Internet Engineering Task Force (IETF) standard MIBs. These standard MIBs are defined in Requests for Comments (RFCs). To find specific MIB information, you must examine the Cisco proprietary MIB structure and related IETF-standard MIBs supported by the Cisco Nexus 1000VE.
The MIB Support List is available at the following FTP site:
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information, see the What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS Version 2.0.
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1721R)
Internet Protocol (IP) addresses that are used in the examples, command display output, and figures within this document are for illustration only. If an actual IP address appears in this document, it is coincidental.