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Cisco ISE: Update HotSpot access-code Daily

Several times, I run into the question if there is an option to “automatically” change the guest HotSpot access code at a given interval (lets say daily) and I came up with the following solution: ISE API + Python + Task Scheduler Steps: Enable API on ISE Create Python Script Configure Task Scheduler Enable the ERS APIs The ERS APIs are...

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Python: Simple Email Gmail

Sometimes it is very useful to have the script that sends notification, when finishes executing, has come to an error or just needs to send some data to you.This script is used to send a simple email from a gmail account (can be configured for other email servers). I was working on the task, that involved Cisco ISE, guest portal and...

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Cisco DNA Center: Wireless Assurance

Wireless Assurance gives you the visibility and insights to solve for network challenges in the past, present, and future. Steps:1. Network discovery CLI and SNMP are required credentials global or task specific Global settings: Design > Network Settings > Site > Device Credentials Once discovery is done all Devices appear in Inventory. Make sure status is ok for each column: Reachability...

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Cisco DNA Center: Install/Setup/Prerequisites

A better way to control your network:Cisco DNA Center is the network management and command center for Cisco DNA, intent-based network for the enterprise. Intent-based networking is a big push for the future of network management. Prerequisites notes:1. VM or customer UCS server is NOT supported2. IP addresses: DNS server (2+ recommended)     NTP server (2+ recommended)     Proxy Server IP address and...

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Cisco Tetration Policy Analysis

The Policy Analysis feature analyses the effectiveness of policies by analysing all the traffic flow into, out of, and within the application, to compare published policies to actual traffic. This policy analysis relates to Policy 4 (p4): Detailed info for Misdropped, Escaped, Rejected and Permitted flows. Click any line in the detailed flow to show the information that is available –...

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Cisco Tetration Application Insight

Application Insight is one of the primary use cases for Tetration. Go to Application > Scope and search for the server: Provides – displays the list of open ports to which the host is providing traffic, along with the local process responsible for the open port. Ports listed in bold represent flows which Tetration has observed a workflow while light grey...

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Cisco Tetration Overview

The Cisco Tetration solution addresses data center operational and security challenges by providing pervasive visibility, unprecedented insights and comprehensive workload-protection capability across a multicloud infrastructure. Overall, the Cisco Tetration Analytics application segmentation approach reduces the attack surface within the data center and increases the efficiency of data center operations. Use Cases With true pervasive visibility comprising of every packet, every flow,...

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Cisco Stealthwatch Alarming Hosts Investigation

How to get additional information about a host present on the Top Alarming Hosts dashboard. Select Top Reports and another pop-up menu appears with options such as Top Applications, Top Ports, Top Protocols etc. By default, the query looks at the past 5 minutes. The number of Flows for each application category is a live link. Click on the Flows number...