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
Upgrade considerations - SNMP configuration
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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Upgrade considerations - SNMP configuration
The timeout parameter for an SNMP alarm is an internal option that has no impact on the alarm configuration.
Timeout parameter might appear in the SNMP alarm configurations in the running configuration (sh running) and the saved configuration (ns.conf) even if you have not made any changes to these SNMP alarm configurations.
On upgrading to a release build with the fix for the timeout setting issue, the SNMP configurations are erroneously reset to default values.
The following SNMP alarms (if configured) are impacted during an upgrade:
- APPFW-BUFFER-OVERFLOW
- APPFW-COOKIE
- APPFW-CSRF-TAG
- APPFW-DENY-URL
- APPFW-FIELD-CONSISTENCY
- APPFW-FIELD-FORMAT
- APPFW-POLICY-HIT
- APPFW-REFERER-HEADER
- APPFW-SAFE-COMMERCE
- APPFW-SAFE-OBJECT
- APPFW-SQL
- APPFW-START-URL
- APPFW-VIOLATIONS-TYPE
- APPFW-XML-ATTACHMENT
- APPFW-XML-DOS
- APPFW-XML-SCHEMA-COMPILE
- APPFW-XML-SOAP-FAULT
- APPFW-XML-SQL
- APPFW-XML-VALIDATION
- APPFW-XML-WSI
- APPFW-XML-XSS
- APPFW-XSS
- CLUSTER-BACKPLANE-HB-MISSING
- CLUSTER-NODE-HEALTH
- CLUSTER-NODE-QUORUM
- CLUSTER-VERSION-MISMATCH
- COMPACT-FLASH-ERRORS
- CONFIG-CHANGE
- CONFIG-SAVE
- HA-BAD-SECONDARY-STATE
- HA-NO-HEARTBEATS
- HA-SYNC-FAILURE
- HA-VERSION-MISMATCH
- HARD-DISK-DRIVE-ERRORS
- HA-STATE-CHANGE
- HA-STICKY-PRIMARY
- PORT-ALLOC-FAILED
- SYNFLOOD
These SNMP alarms configurations are impacted when you upgrade the Citrix ADC to the following release builds:
- Release 11.1 build 61.2 or later
- Release 12.0 build 61.0 or later
- Release 12.1 build 30.1 or later
- Release 13.0 build 51.4 or later
Example
Let’s consider an example of CLUSTER-NODE-HEALTH SNMP alarm.
CLUSTER-NODE-HEALTH SNMP alarm is set up by using the Citrix ADC command line: > set snmp alarm CLUSTER-NODE-HEALTH -time 111 -state DISABLED -severity Major > save config
This SNMP alarm configuration appears in the saved configuration file (ns.conf
) as:
设置snmp警报CLUSTER-NODE-HEALTH - 111 state DISABLED -severity Major -timeout 86400
During an upgrade to any of the release builds mentioned above, the following error appears in ns.log file:
May 23 09:14:46 ns nsconfigd: __init_config_filter(): (null) line 0: No such argument [-timeout]>> set snmp alarm CLUSTER-NODE-HEALTH -time 111 -state DISABLED -severity Major -timeout 86400.
After the upgrade, the SNMP alarm configurations are reset to the default values.
Workaround
Use one of the following workarounds:
Before the upgrade, remove the timeout setting from the SNMP configurations in the saved configuration file (ns.conf).
After the upgrade, reconfigure the SNMP alarms without the timeout parameter.
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