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Citrix SD-WAN WANOP 11.0 Citrix SD‑WAN WANOP 11.0 Citrix Product Documentation | docs.citrix.com August 25, 2021 Citrix SD‑WAN WANOP 11.0 Contents About Citrix SD‑WAN WANOP 3 Get started with Citrix SD‑WAN WANOP 12 Select an appliance based on capacity 13 Select the deployment mode based on datacenter topology 16 Sites with one WAN router 17 Sites with multiple WAN routers 19 Appliance failure handled in various deployment modes 22 Supported mode and feature matrix 22 Configure Citrix SD‑WAN WANOP plug‑in with Access Gateway VPNs 24 Deploy SD‑WAN WANOP VPX on Microsoft Azure 26 SD‑WAN WANOP upgrading procedure 32 Initial Configuration 34 Prerequisites 35 Deployment Worksheet 36 Configuring the Appliance 39 Assigning a Management IP Address through the Ethernet Port 39 Assigning a Management IP Address through the Serial Port 41 Provisioning the Appliance 42 Deployment Modes 46 Customizing the Ethernet ports 48 Port Parameters 49 Accelerated Bridges (apA and apB) 50 Motherboard Ports 51 © 1999–2021 Citrix Systems, Inc. All rights reserved. 2 Citrix SD‑WAN WANOP 11.0 VLAN Support 52 Customizing the Ethernet ports 52 Ethernet Bypass and Link‑Down Propagation 53 Accelerating an Entire Site 54 Partial‑Site Acceleration 54 WCCP Mode 55 WCCP Mode (Non‑Clustered) 59 WCCP Clustering 65 Virtual Inline Mode 72 Configuring Packet Forwarding on the Appliance 73 Router Configuration 73 Virtual Inline for Multiple‑WAN Environments 77 Virtual Inline Mode and High‑Availability 78 Monitoring and Troubleshooting 78 Group Mode 78 When to Use Group Mode 79 How Group Mode Works 80 Enabling Group Mode 80 Forwarding Rules 82 Monitoring and Troubleshooting Group Mode 83 Customizing the Ethernet ports 84 How High‑Availability Mode Works 84 Cabling Requirements 86 Other Requirements 86 © 1999–2021 Citrix Systems, Inc. All rights reserved. 3 Citrix SD‑WAN WANOP 11.0 Management Access to the High‑Availability Pair 87 Configuring the High‑Availability Pair 87 Updating Software on a High‑Availability Pair 88 Saving/Restoring Parameters of an high availability Pair 88 Troubleshooting High Availability Pairs 89 Two box mode 90 FAQs 94 Acceleration 94 CIFS and MAPI 95 Compression 97 RPC over HTTPS 99 SCPS 100 Secure peering 101 SSL Acceleration 102 Citrix SD‑WAN WANOP plug‑in 103 Traffic shaping 108 Upgrade (OS) Process 109 Video caching 117 Office 365 Acceleration 122 Compression 124 HTTP acceleration 130 How HTML5 works 132 Internet Protocol version 6 (IPv6) acceleration 134 Link definitions 139 © 1999–2021 Citrix Systems, Inc. All rights reserved. 4 Citrix SD‑WAN WANOP 11.0 Manage link definitions in traffic shaping 141 Configure link definitions 142 Manage and monitor using Citrix Application Delivery Management 147 Citrix Cloud Connector 148 Configure cloud connector tunnel 152 Configure cloud connector tunnel between two datacenters 154 Configure cloud connector tunnel between a datacenter and AWS/Azure 159 Office 365 acceleration 165 SCPS support 177 Secure traffic acceleration 178 Secure peering 178 CIFS, SMB2, and MAPI 183 Configure Citrix SD‑WAN WANOP appliance to optimize secure Windows traffic 185 Configure CIFS and SMB2/SMB3 acceleration 201 Configure MAPI acceleration 208 SSL compression 210 How SSL compression works 211 Configure SSL compression 213 SSL Compression with Citrix SD‑WAN WANOP plug‑in 221 RPC over HTTP 222 TCP Flow‑Control acceleration 225 Lossless and transparent flow control 226 Speed optimization 227 Auto‑discovery and auto‑configuration 229 © 1999–2021 Citrix Systems, Inc. All rights reserved. 5 Citrix SD‑WAN WANOP 11.0 TCP flow control modes 230 Firewall considerations 232 Traffic classification 233 Application classifier 234 Service classes 236 Traffic shaping 241 Weighted fair queuing 242 Traffic shaping policies 244 Video caching 247 Video caching scenarios 249 Configure video caching 252 Video prepopulation 257 Verify video caching 264 Manage video caching sources 266 WAN insight 268 Asymmetric routing 272 Citrix SD‑WAN WANOP client plug‑in 274 Hardware and software requirements 275 How WANOP plug‑in works 276 Deploy appliances for use with plug‑ins 285 Customize plug‑in’s MSI file 288 Deploy plug‑ins on Windows 290 Citrix SD‑WAN WANOP plug‑in GUI 295 Update Citrix SD‑WAN WANOP plug‑in 299 © 1999–2021 Citrix Systems, Inc. All rights reserved. 6 Citrix SD‑WAN WANOP 11.0 Citrix Virtual Apps and Desktops acceleration 299 Configure Virtual Apps acceleration 300 Optimize Citrix Receiver for HTML5 302 Deployment modes 304 Adaptive transport interoperability 312 Citrix Hypervisor 6.5 upgrade 312 Maintenance 313 Diagnostics 316 Troubleshooting 323 CIFS and MAPI 323 Citrix SD‑WAN WANOP plug‑in 326 RPC over HTTPS 327 Video caching 328 Citrix Virtual Apps and Desktops acceleration 329 © 1999–2021 Citrix Systems, Inc. All rights reserved. 7 Citrix SD‑WAN WANOP 11.0 About Citrix SD‑WAN WANOP March 12, 2021 Citrix SD‑WAN WANOP appliances optimize your WAN links, giving your users maximum responsive‑ ness and throughput at any distance. A Citrix SD‑WAN WANOP appliance is easy to deploy, because it works transparently. A twenty minute installation accelerates your WAN traffic with no other con‑ figuration required. You do not have to change your applications, servers, clients, or network infras‑ tructure. You can, however change them after Citrix SD‑WAN WANOP installation without affecting traffic acceleration. A Citrix SD‑WAN WANOP appliance needs reconfiguration only when yourWAN links change. Citrix SD‑WAN WANOP appliances support a full range of optimizations, including: • Multi‑session compression with compression ratios of up to 10,000:1. • Protocol acceleration for Windows network file systems (CIFS), Virtual Apps (ICA and CGP, in‑ cluding the new multi‑session ICA standard), Microsoft Outlook (MAPI), and SSL. • Traffic shaping to ensure that high‑priority and interactive traffic takes precedence overlow‑ priority or bulk traffic. • Advanced TCP protocol acceleration, which reduces delays on congested or high‑latency links. • Video caching. How Citrix SD‑WAN WANOP works? Citrix SD‑WAN WANOP products work in pairs, one at each end of a link, to accelerate traffic over the link. The transformations done by the sender are reversed by the receiver. However, one appliance (or virtual appliance) can handle many links, so you do not have to dedicate a pair to each connection. An enterprise typically has one Citrix SD‑WAN WANOP appliance per site (larger appliances at larger sites, smaller ones at smaller sites), though a company with numerous branch offices might have mul‑ tiple appliances at its central data center. A link from a site with a Citrix SD‑WAN WANOP appliance to a site that does not have a Citrix SD‑WAN WANOP appliance functions normally, but its traffic is not accelerated. Citrix SD‑WAN WANOP features include robust compression for brisk performance over relatively slow links, and lossless flow control to deal with congestion. TCP optimizations overcome the main limi‑ tations of problematic links, and application optimization does away with the limitations of applica‑ tions designed for high‑speed, local networks. An autodetection feature makes deployment quick and easy. © 1999–2021 Citrix Systems, Inc. All rights reserved. 8 Citrix SD‑WAN WANOP 11.0 Citrix SD‑WAN WANOP features and benefits Any time workers spend waiting for their computers to respond is lost time, resulting in lost produc‑ tivity. When users work remotely or use off‑site resources, their productivity depends on the respon‑ siveness of their network connections. Safeguarding the responsiveness of their connections requires advanced network acceleration. The Citrix SD‑WAN WANOP product line protects your productivity by providing reliable WAN and In‑ ternet link performance through a set of multiple, interlocking optimizations, each reinforcing the oth‑ ers. To provide maximum productivity across your entire enterprise, there are Citrix SD‑WAN WANOP products for every need, from the largest data center though the smallest branch office and even the individual laptop. Citrix SD‑WAN WANOP provides robust usability even with undersized or degraded links. Features at a glance: For more information, see the table Features and benefits: The following are some of the key benefits of our Citrix SD‑WAN WANOP product line. Compression overcomes low link speeds. The most obvious problem with wide‑area network (WAN) links and Internet links is their low bandwidth compared to local‑area networks (LANs). A 1 Mbps WAN has only 1% of the throughput of a 100 Mbps LAN. How do you overcome low link bandwidth? With compression. A compression ratio of 100:1 enables a 1 Mbps link to transfer data as quickly as a 100 Mbps. This speedup factor is achieved whenever the following criteria are met: • The compression algorithm must be able to deliver high compression ratios. • The compression algorithm must be very fast (much faster than the link bandwidth, and ideally as fast as the LAN). • The LAN segments of the link must have flow control that is independent of the WAN segment, because the different segments handle data at different rates. • Multiple compression engines must be used to handle the different needs of different kinds of traffic. Interactive traffic requires relatively little bandwidth but is very sensitive to delay, while bulk‑transfers are very sensitive to bandwidth but are insensitive to delay. TCP protocol acceleration overcomes congestion. Any attempt to send traffic faster than the link speed results in congestion, which results in many problems caused by high packet losses and high queuing latency. Lossless flow control. The TCP/IP protocol has no flow control to slow senders down directly, and the absence of this necessary control mechanism makes packet losses and excessive queuing delays normal, even on mission‑critical links. (If anything, this problem is getting worse over time, as papers on the phenomenon of bufferbloat attest.) © 1999–2021 Citrix Systems, Inc. All rights reserved. 9 Citrix SD‑WAN WANOP 11.0 A Citrix SD‑WAN WANOP appliance solves this problem by providing the flow control that was omitted from the TCP/IP protocol.
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