Avi Vantage 18.2.X Release Notes

What’s New in 18.2.1


  • Support minimum health monitors to indicate an active server
  • Service Engine selection based on a consistent hash of the client-ip[, port]
  • Ability to add a request header with the location of the originating client IP, via a DataScript or HTTP policy
  • SNI support with HTTP/2


  • Opt-in or opt-out for a load-balancing deployment in conformance with Kubernetes standards
  • Ability to use alternate ingress provider


  • Ability to disable a GSLB pool


  • Support for large trap payload in aviSystemAlert trap


  • Visibility for status of bond interfaces
  • Ability to use HTTP server reselect to select an available back-end server when connection to another has failed

Private Cloud

  • In vCenter, support for virtual hardware version 10 (ESXi 5.0, ESXi 5.1) is deprecated


  • Basic SAML authentication support with third-party IDP and Avi as a service provider initiating SSO

Issues Resolved in 18.2.1

  • AV-32521: Traceroute within the namespace does not show the hops
  • AV-41861: Memory leak during RSS scaleout
  • AV-42759: Azure: Latency increases after some time
  • AV-43980: Secure channel flapping between the Controller and SE when GRO is enabled
  • AV-44473: Import configuration fails if string contains unicode character
  • AV-44659: Error message on saving HTTP security policy with rate-limit and local response HTML file
  • AV-45040: Unable to update the virtual service name to have () parentheses from UI, but can change from API and CLI
  • AV-45221: Virtual service placement stuck at “AWAITING_VNIC_IP” for SNI parent
  • AV-45496: Service Engine may fail if TLS persistence is used for a non-SSL pool
  • AV-45852: OpenShift: Delay in creating Avi routes
  • AV-45943: Health monitor fails if there is a \r\n\r\n before the HTTP/x.x in the send string
  • AV-46045: Linux server cloud: Service Engine may fail when DPDK is enabled on Mellanox NICs in a port channel
  • AV-46061: Third-party GSLB sites are not shown in the list of DNS policy primary and fallback sites
  • AV-46169: Syslog message with invalid PRI 324
  • AV-46742: SE stuck at OPER_DISABLING while the cluster and SEs are having intermittent network partitioning issues
  • AV-46899: OpenShift: Stale Avi bridge ports are not being cleaned up
  • AV-47080: Linux server cloud: Service Engine may fail on using multiple bond interfaces to advertise VIP via BGP
  • AV-47140: SMTP error while running email test
  • AV-47333: Upgrade hung on remote task when the time is not synced between Service Engine and the Controller
  • AV-47437: Linux server cloud: Default route may not take effect on using Mellanox NICs in inband mode
  • AV-47568: Service Engine failure due to a corrupted persistence cookie
  • AV-47574: vCenter API version 6.7U1 is not supported by Avi Controller
  • AV-47600: Service Engine may stop processing packets if it has been up for more than 392 days
  • AV-47650: Service Engine advertising routes to BGP for virtual service that are not placed
  • AV-47797: When RSS is enabled, connections to pool servers delayed due to dropped SYN+ACK packets causing retransmits
  • AV-47800: When VIP to SNAT is enabled, changing non-critical fields (e.g., name) causes virtual service to detach and reattach to Service Engines
  • AV-50783: Virtual service cannot be enabled due to IP address exhaustion
  • AV-50784: Microsoft Azure: HTTP health monitor fails for VMs added to a pool from a scale set because of underscore (“_”) in the hostname

Performing the Upgrade

Upgrade prerequisite: The current version of Avi Controller must be 17.2 or later.

Upgrade Instructions

Protocol Ports Used by Avi Vantage for Management Communication

Supported Platforms

Refer to System Requirements: Ecosystem

Product Documentation

For more information, please see the following documents, also available within this knowledge base.

Installation Guides

Open Source Package Information

Avi Networks software, Copyright © 2013-2019 by Avi Networks, Inc. All rights reserved. The copyrights to certain works contained in this software are owned by other third parties and used and distributed under license. Certain components of this software are licensed under the GNU General Public License (GPL) version 2.0 or the GNU Lesser General Public License (LGPL) Version 2.1. A copy of each such license is available at http://www.opensource.org/licenses/gpl-2.0.php and http://www.opensource.org/licenses/lgpl-2.1.php