Getting Started with Citrix ADC
Deploy a Citrix ADC VPX instance
Install a Citrix ADC VPX instance on Microsoft Hyper-V servers
Install a Citrix ADC VPX instance on Linux-KVM platform
Prerequisites for Installing Citrix ADC VPX Virtual Appliances on Linux-KVM Platform
Provisioning the Citrix ADC Virtual Appliance by using OpenStack
Provisioning the Citrix ADC Virtual Appliance by using the Virtual Machine Manager
Configuring Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
Configuring Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
Provisioning the Citrix ADC Virtual Appliance by using the virsh Program
Provisioning the Citrix ADC Virtual Appliance with SR-IOV, on OpenStack
Configuring a Citrix ADC VPX Instance on KVM to Use OVS DPDK-Based Host Interfaces
Deploy a Citrix ADC VPX instance on Microsoft Azure
Network architecture for Citrix ADC VPX instances on Microsoft Azure
Configure multiple IP addresses for a Citrix ADC VPX standalone instance
Configure a high-availability setup with multiple IP addresses and NICs
Configure a high-availability setup with multiple IP addresses and NICs by using PowerShell commands
Configure HA-INC nodes by using the Citrix high availability template with Azure ILB
Configure address pools (IIP) for a Citrix Gateway appliance
Upgrade and downgrade a Citrix ADC appliance
Solutions for Telecom Service Providers
Load Balance Control-Plane Traffic that is based on Diameter, SIP, and SMPP Protocols
Provide Subscriber Load Distribution Using GSLB Across Core-Networks of a Telecom Service Provider
Authentication, authorization, and auditing application traffic
Configuring authentication, authorization, and auditing policies
Configuring Authentication, authorization, and auditing with commonly used protocols
Use an on-premises Citrix Gateway as the identity provider for Citrix Cloud
Troubleshoot authentication issues in Citrix ADC and Citrix Gateway with aaad.debug module
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Persistence and persistent connections
Advanced load balancing settings
Gradually stepping up the load on a new service with virtual server–level slow start
Protect applications on protected servers against traffic surges
Retrieve location details from user IP address using geolocation database
Use source IP address of the client when connecting to the server
Use client source IP address for backend communication in a v4-v6 load balancing configuration
Set a limit on number of requests per connection to the server
Configure automatic state transition based on percentage health of bound services
Use case 2: Configure rule based persistence based on a name-value pair in a TCP byte stream
Use case 3: Configure load balancing in direct server return mode
Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
Use case 7: Configure load balancing in DSR mode by using IP Over IP
Use case 10: Load balancing of intrusion detection system servers
Use case 11: Isolating network traffic using listen policies
Use case 12: Configure Citrix Virtual Desktops for load balancing
Use case 13: Configure Citrix Virtual Apps for load balancing
Use case 14: ShareFile wizard for load balancing Citrix ShareFile
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Authentication and authorization
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Configuring a CloudBridge Connector Tunnel between two Datacenters
Configuring CloudBridge Connector between Datacenter and AWS Cloud
Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
Configuring a CloudBridge Connector Tunnel Between a Citrix ADC Appliance and Cisco IOS Device
CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Provision the Citrix ADC VPX instance with SR-IOV, on OpenStack
You can deploy high-performance Citrix ADC VPX instances that use single-root I/O virtualization (SR-IOV) technology, on OpenStack.
You can deploy a Citrix ADC VPX instance that uses SR-IOV technology, on OpenStack, in three steps:
- Enable SR-IOV Virtual Functions (VFs) on the host.
- Configure and make the VFs available to OpenStack.
- Provision the Citrix ADC VPX on OpenStack.
Prerequisites
Ensure that you:
- Add the Intel 82599 Network Interface Card (NIC) to the host.
- Download and Install the latest IXGBE driver from Intel.
- Blacklist the IXGBEVF driver on the host. Add the following entry in the /etc/modprobe.d/blacklist.conf file: blacklist ixgbevf
Note
The ixgbe driver version should be minimum 5.0.4.
Enable SR-IOV VFs on the host
Do one of the following steps to enable SR-IOV VFs:
If you are using a kernel version earlier than 3.8, add the following entry to the /etc/modprobe.d/ixgbe file and restart the host: options ixgbe max_vfs=
If you are using kernel 3.8 version or later, create VFs by using the following command:
echo > /sys/class/net//device/sriov_numvfs
Where:
- number_of_VFs is the number of Virtual Functions that you want to create.
- device_name is the interface name.
Important
While you are creating the SR-IOV VFs, make sure that you do not assign MAC addresses to the VFs.
Here is an example of four VFs being created.
Make the VFs persistent, add the commands that you used to created VFs to therc.localfile. Here is an example showing contents of rc.local file.
For more information, see thisIntel SR-IOV Configuration Guide.
Configure and make the VFs available to OpenStack
Follow the steps given at the link below to configure SR-IOV on OpenStack:https://wiki.openstack.org/wiki/SR-IOV-Passthrough-For-Networking.
Provision the Citrix ADC VPX instance on OpenStack
You can provision a Citrix ADC VPX instance in an Openstack environment by using the OpenStack CLI.
Provisioning a VPX instance, optionally involves using data from the config drive. The config drive is a special configuration drive that attaches to the instance when it boots. This configuration drive can be used to pass networking configuration information such as management IP address, network mask, and default gateway etc. to the instance before you configure the network settings for the instance.
When OpenStack provisions a VPX instance, it first detects that the instance is booting in an OpenStack environment, by reading a specific BIOS string (OpenStack Foundation) that indicates OpenStack. For Red Hat Linux distributions, the string is stored in /etc/nova/release. This is a standard mechanism that is available in all OpenStack implementations based on KVM hyper-visor platform. The drive should have a specific OpenStack label. If the config drive is detected, the instance attempts to read the following information from the file name specified in the nova boot command. In the procedures below, the file is called “userdata.txt.”
- Management IP address
- Network mask
- Default gateway
Once the parameters are successfully read, they are populated in the NetScaler stack. This helps in managing the instance remotely. If the parameters are not read successfully or the config drive is not available, the instance transitions to the default behavior, which is:
- The instance attempts to retrieve the IP address information from DHCP.
- If DHCP fails or times-out, the instance comes up with default network configuration (192.168.100.1/16).
Provision the Citrix ADC VPX instance on OpenStack through CLI
You can provision a VPX instance in an OpenStack environment by using the OpenStack CLI. Here’s the summary of the steps to provision a Citrix ADC VPX instance on OpenStack:
1. Extracting the .qcow2 file from the .tgz file
2. Building an OpenStack image from the qcow2 image
3. Provisioning a VPX instance
To provision a VPX instance in an OpenStack environment, do the following steps.
1. Extract the. qcow2 file from the .tqz file by typing the command:
tar xvzf tar xvzf NSVPX-KVM-12.0-26.2_nc.tgz NSVPX-KVM.xml NSVPX-KVM-12.0-26.2_nc.qcow2
2. Build an OpenStack image using the .qcoz2 file extracted in step 1 by typing the following command:
glance image-create --name="" -- property hw_disk_bus=ide --is-public= true --container-format=bare --disk-format=qcow2< glance image-create --name="NS-VPX-12-0-26-2" --property hw_disk_bus=ide --is-public= true --container-format=bare --disk-format=qcow2< NSVPX-KVM-12.0- 26.2_nc.qcow2
下图提供了一个示例output for the glance image-create command.
3. After an OpenStack image is created, provision the Citrix ADC VPX instance instance.
nova boot --image NSVPX-KVM-12.0-26.2 --config-drive=true --userdata ./userdata.txt --flavor m1. medium --nic net-id=3b258725-eaae- 455e-a5de-371d6d1f349f --nic port-id=218ba819-9f55-4991-adb6- 02086a6bdee2 NSVPX-10
In the above command, userdata.txt is the file which contains the details like, IP address, netmask, and default gateway for the VPX instance. The userdata file is a user customizable file. NSVPX-KVM-12.0-26.2 is the name of the virtual appliance that you want to provision. –nic port-id=218ba819-9f55-4991-adb6-02086a6bdee2 is the OpenStack VF.
The following illustration gives a sample output of the nova boot command.
The following illustration shows a sample of the userdata.txt file. The values within the
< ?xml version = " 1.0 " encoding = " utf - 8 "独立= " no"?> NOVA 2013.1 Openstack en citrix.com 4
Additional supported Configurations: Creating and Deleting VLANs on SR-IOV VFs from the Host
Type the following command to create a VLAN on the SR-IOV VF:
ip link show enp8s0f0 vf 6 vlan 10
In the above command “enp8s0f0” is the name of the physical function.
Example: vlan 10, created on vf 6
Type the following command to delete a VLAN on the SR-IOV VF:
ip link show enp8s0f0 vf 6 vlan 0
Example: vlan 10, removed from vf 6
These steps complete the procedure for deploying a Citrix ADC VPX instance that uses SRIOV technology, on OpenStack.
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