VLAN tagging separates network traffic between virtual desktops running on a single device endpoint XenClient-powered, which allows companies to meet safety and strict compliance requirements. Why organizations care about this? It is valid in all cases where use of a different security level or isolation is required in a virtual office over another - such an undertaking compared to a personal computer or a desktop computer that is used for general use in relation to that used for credit card transactions in a retail environment (to meet PCI compliance requirements).
The ability of powerful network security was added in XenClient Enterprise 4.5, which is included as part of XenDesktop Enterprise. XenClient Enterprise 4.5 was announced last fall in Barcelona Synergy 2012 (see XenClient 4.5 product launch website for a complete list of new features in this version). As part of a continuing series of technical blogs on XenClient 4.5 features - this blog takes a deep dive into the VLAN tagging feature in XenClient
To understand what VLAN tagging is examining the characteristics of a LAN (local area. network). A LAN is defined as all devices in the same broadcast domain where the routers stop emissions and switches before the broadcast.
A VLAN (virtual LAN) is a broadcast domain created by switches and is a method of creating independent logical networks within a physical network. Normally, a router creates broadcast domains. This is accomplished by placing certain switch ports in a VLAN other than the default VLAN 1. All ports in one VLAN are then in a single broadcast domain. For example, certain ports on the switch A may be in VLAN 10 and other ports on the switch B may be in VLAN 10. Broadcasts between these devices will not be seen on any other port in a different VLAN, other than 10. However, all these devices can communicate because they are on the same VLAN. Without additional configuration, they would not be able to communicate with other devices are not in their VLAN.
When VLAN span multiple switches, VLAN tagging is necessary. VLAN tagging is the process of inserting a VLAN ID in a packet header to identify which VLAN the packet belongs. Specifically, the switches using the VLAN ID to determine to which port (s) or interface (s) to send a broadcast packet.
Generally, segments of VLANs services traditionally provided by routers in LAN configurations and resolve issues such as scalability, security, and network management. VLANs can also help to create multiple layer 3 networks on a Layer 2 switch For example, if a PXE server is plugged into a switch it will serve any host on that switch that is configured to PXE boot from a server PXE. VLANs allow the isolation of the PXE server so that only the hosts of this VLAN will not use the PXE server.
How XenClient capacity VLAN tagging lever? Ideally a policy XenClient Synchronizer, you can VLAN tag of the guest virtual machine in the XenClient Engine. Which allows the separation of VM traffic broadcast to a specific VLAN. This feature requires a bridged mode, wired:
This feature allows many use cases. A particular customer uses XenClient Enterprise to run both Windows virtual machines in strict isolation. The virtual machine A is used to perform business functions such as transactions by credit card, while the virtual machine B is used to perform functions daily as social media marketing, email and web surfing. The client separates the traffic in the virtual machine From the virtual machine B to meet credit card compliance requirements of the transaction (PCI). VLAN tagging allows isolation and segregation broadcast traffic from the virtual machine A virtual machine B, even if they are on the same device (see diagram below). This is an example of many, so feel free to share others in the comments section.
If you want to see more details on the VLAN tagging in XenClient, see the following detailed TECHNOTE: Configuring VLANs using XenClient Enterprise (link: http: // support.citrix.com/article/CTX134755).
XenClient 4.5 is packed with great features and improvements that make client-side virtualization become easier for a wider range of use cases.
learn more about the release of XenClient 4.5 and watch the video ad to learn more about this release. XenClient is a virtualization solution the customer ready for production with thousands of workstations in deployment today. We encourage you to try today by downloading XenClient 4.5.
Join the conversation by connecting with Citrix XenClient team online!
- See the new display architecture with XenClient Enterprise 4.5 video
- Visit product page XenClient
- Follow us on Twitter
- like us on Facebook
- Visit our XenClient technical Forum
0 Komentar