Live from Citrix Synergy 2019

UPDATE: We won!! The Best of Citrix Synergy 2019 Award for Storage, Networking and Infrastructure goes to Forward Networks!   DAY ONE AT CITRIX SYNERGY was off the charts. We have broken all previous records on the number of visitors to our booth (409) with lines of people longer than we’ve…

Network Query Engine: Automate Network Health Checks in Minutes

Last month we introduced our Network Query Engine (NQE) at Cisco Live Europe and to a very impressive technical audience as part of Tech Field Day 2019. If you didn’t have the chance to read through our introduction blog, NQE leverages the internal network data model that Forward Networks builds…

Query Your Network Like a Database to Gain Knowledge and Simplify Operations

There is a wealth of untapped information in your network. Learn to query and extract it! Even before packets start flowing, enterprise networks are complex, data-intensive repositories of topology, configuration and state information. This information is often required to solve operational…

Why should data centers have all the fun?
Network verification now available for AWS

What’s been the biggest change to networking in the past decade? While there have been tremendous improvements in automation, capacity and mobility, nothing has had a greater impact on IT organizations than cloud migration. We all know the business drivers behind this evolution, from cost…

Vulnerable to Cisco ASA and Firepower SIP DoS attacks? Find out how to fix in only a few minutes.

On October 31, 2018, Cisco released a security advisory for its ASA and Firepower threat defense software regarding a Denial of Service (DoS) vulnerability. The full security advisory can be found here. The summary (below) notes that the Session Initiation Protocol (SIP) inspection engine could…

You Can Now Diff Your Entire Network in One Intuitive Platform

In tech terms, a diff is a listing of changes or differences between documents, files, source code, etc. As a Unix command, it became a common method of distributing patches and source updates, or just comparing versions of text files. Diffs became so easy to do and use, and common to so many use…

Forward Enterprise and Cisco NSO deliver Verification + Automation

The great panacea for network IT the last several years has been more and more automation. Automation through orchestration. Simplifying and accelerating network administration tasks at the scale of large enterprise and cloud networks. Automation to keep up with the accelerated deployment of…

Separate Policy Analysis Between Network and Security Teams with Forward Networks Permit-All Mode

A new feature in Forward Enterprise now allows customers to simplify the analysis of network access issues between the network and security teams. We call this feature ACL-less analysis, or permit-all mode. First some context why multiple customers asked us to develop this feature, and the use case…

Automate Policy Verification to Accelerate NetOps and Change Windows

In agile network operations, network configurations need to be updated to reflect new application or policy requirements, or to implement a change in network behavior. As business and application requirements change, we have to translate new policies into specific network configuration changes in…

A Better Way to Document Your Network Topology than Visio

Yesterday, Brandon Heller and I recorded a podcast with Ethan Banks and Greg Ferro of Packet Pushers fame. If you are not a fan of Packet Pusher Podcasts, you should be. They have a large following of highly technical network nerds and their podcasts are always engaging and educational. When they…

Verification in Forward Enterprise: Become “Absolutely Sure” of Your Network Intent

In Part 1 of this blog, I discussed the power of network verification compared to traditional network testing. Verification is the mathematical and logical analysis of your current network configurations and state to detect and highlight violations of your policies and intent. Verification can take…

“Pretty Sure” Your Network is Behaving as Intended? It Could be Costing You Big Time

The more networks have evolved and the more complex data center architectures have become, more and more organizations are realizing they've got time bombs latent in their network, just waiting for the right set of circumstances to take down critical portions of their infrastructure. In the past, a…

Seeking Truth in Networking: From Testing To Verification

Sharp network admins already verify the network in a variety of ways, right? Pings, traceroutes, and custom scripts verify expected connectivity. Link and CPU utilization monitoring programs verify normal operation. Maybe pushed configs are read back in to verify that the device accepted them. And…

Network path not found?

How to use an army of tests to understand and diagnose your network! You’ve probably heard about how hard it is to operate networks. The complexity of the devices, the diversity of protocols operating simultaneously, and the sheer size of the network are all well-known reasons for getting…

Delivering business value with the Forward Platform

Since making our platform available, many of the world’s largest banks, telcos, and IT companies have come to rely on Forward Networks to keep their networks healthy and operated efficiently. From the CTO to a junior engineer, people quickly grasp the value of what the Forward Platform can deliver,…

Why Testing and Debugging Networks is so Difficult

The network lies at the heart of a modern enterprise’s ability to perform its daily business and operations. When a network outage occurs, due to a policy misconfiguration or a device failure, business grinds to a halt. Almost every week, it seems, we read a new headline where a Fortune 500 company…

Presenting the Forward Platform at Networking Field Day 13

As part of Forward Networks’ public launch, we had the privilege of presenting to a lively delegation at Networking Field Day 13 on November 17th, 2016. The event took place at Andreessen Horowitz’ campus in Menlo Park, CA and constituted our first public unveiling of the Forward Platform. The idea…

Unveiling the Forward Platform

Networks today are integral to many if not all aspects of our lives. A multitude of data packets whizz by on wired or wireless networks enabling us to carry out both our personal and business lives in the digital world. It is therefore easy to understand the chaos that is caused when these networks…