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Cisco Connect Ottawa 2018 dna assurance shortest path to network innocence
1.
Cisco Connect Ottawa Canada
• 02 October 2018 Global vision. Local knowledge.
2.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Cisco Connect delivers education and inspiration to technology innovators worldwide. Cisco Connect events bring together technical education content, networking opportunities, and expert insight to communities across the globe to realize the impact and implications digital transformation has on local industries, businesses, and markets. Cisco Connect events offer exclusive access to: • Insights from Cisco's leadership on our strategic direction and partnerships. • Educational content on the technologies our customers already use, and the technologies they will rely on in the future. • The latest and greatest products and solutions Cisco is introducing to assist attendees with their jobs and drive business outcomes. Unlike other technology events, Cisco Connect is specifically geared towards Cisco customers and partners, those who have staked their careers on Cisco and have Cisco certifications. cisco.com/go/ciscoconnect © 2018 Cisco and/or its affiliates. All rights reserved. Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates. Cisco Connect
3.
Don Orlik, Product
Specialist – Digital Network Architecture Nathaly Landry, Systems Engineer The Shortest Path to Network Innocence! DNA Analytics and Assurance
4.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Cisco Connect delivers education and inspiration to technology innovators worldwide. • What is DNA Center • Introduction to Context and Machine Learning • Design Thinking • DNA Center Assurance: Using DNA Center for Client Assurance • DNA Center Assurance: Using DNA Center for Network Assurance • DNA Center Assurance: Using DNA Center for Application Assurance • DNA Center Assurance: Using Wireless Sensors • Key Takeaways AGENDA Slides & Demos
5.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public Network Quality is a Complex, End-to-End Problem APs Local WLCs Network services DCOffice site ISE Mobile clients CUCM Client firmware AP coverage WAN Uplink usage End-User services RF Noise/Interf. Cisco Prime™ Configuration AuthenticationWLC Capacity WAN Client density DHCP Addressing WAN QoS, Routing, ... There are 100+ points of failure between user and app What is the problem? Where is the problem? How can I fix the problem fast?
6.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public . 1 McKinsey Study of Network Operations for Cisco – 2016 IT Challenge: 43% of IT Time spent in Troubleshooting Network operators spend more time collecting data than analyzing while troubleshooting Impossible for IT to troubleshoot if they cannot replicate the issue or see it real time Most network quality issues take hours to either resolve or to prove the network innocent 4x Replication challenge Slow resolution
7.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public Business Objective of Analytics and Assurance https://www.cisco.com/c/en/us/solutions/enterprise-networks/dna-analytics-assurance.html
8.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential The Cost of Troubleshooting Typical troubleshooting issues for an enterprise network with 800 users (wired and wireless) Issue/task DNA Center™ Traditional CLI Savings Occurrences per week Hours saved per week Days saved per year Traceroute Instantaneous 6 minutes 6 minutes 25 2.5 hours 15 Slow onboarding 2 minutes 17 minutes 15 minutes 20 5 hours 30 Device RPA failure Instantaneous 20 minutes 20 minutes 6 2 hours 12 Radio channel analysis 5 minutes 25 minutes 20 minutes 6 2 hours 12 Issue replication 5 minutes 65 minutes 60 minutes 2 2 hours 12 Site visit Not required 180 minutes 180 minutes 0.5 1.5 hours 9 Total: 15 hours 90 What would you do with 90 extra productive days per year?90 *RPA: Routing protocol adjacency failure
9.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential What is DNA Center?
10.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DNA Center: Design, Policy, Provision, Assurance A better way to manage your network DNA Center: Design, provision, automate policy and assure services from one place Logical workflow to design, provision, set policy Respond to changes faster Monitor end-to-end network performance Predict and act on problems before they happen Pinpoint problems faster Reduce downtime with an end-to-end view instead of hop by hop Manage hardware and software lifecycles Keep up to date, meet compliance and plan for refresh DN1-HW-APL Current version 1.2.5
11.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public#CLUS Decouple Policy from Network Topology Industry Best-Practices and Policy Compliance Proactive Issue Identification and Resolution Business Intent driven Network Changes Simplify Day 0 to Day N Changes Monitoring and Troubleshooting Fabric Network Automation Assurance Introducing DNA Center Policy-Based Network Covered in the this session
12.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public#CLUS Decouple Policy from Network Topology Industry Best-Practices and Policy Compliance Proactive Issue Identification and Resolution Business Intent driven Network Changes Simplify Day 0 to Day N Changes Monitoring and Troubleshooting Fabric Network Automation Assurance Introducing DNA Center Policy-Based Network Covered in the morning session
13.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Digital Business SecurityMobile IoT MultiCloud Network Intent Context Security Learning Cisco DNA— Intent-based Networking for the Enterprise
14.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential ip access-list extended MM_STREAM-ACL remark citrix - Citrix permit tcp any any eq 1494 permit udp any any eq 1494 permit tcp any any eq 2598 permit udp any any eq 2598 remark citrix-static - Citrix-Static permit tcp any any eq 1604 permit udp any any eq 1604 permit tcp any any range 2512 2513 permit udp any any range 2512 2513 remark pcoip - PCoIP permit tcp any any eq 4172 permit udp any any eq 4172 permit tcp any any eq 5172 permit udp any any eq 5172 remark timbuktu - Timbuktu permit tcp any any eq 407 permit udp any any eq 407 remark xwindows - XWindows permit tcp any any range 6000 6003 remark vnc - VNC permit tcp any any eq 5800 permit udp any any eq 5800 permit tcp any any range 5900 5901 permit udp any any range 5900 5901 exit ip access-list extended SIGNALING-ACL remark h323 - H.323 permit tcp any any eq 1300 permit udp any any eq 1300 permit tcp any any range 1718 1720 Legacy QoS Policy Intent-Based Application Policy
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Digital Business SecurityMobile IoT MultiCloud Network Intent Context Security Learning Cisco DNA— Intent-based Networking for the Enterprise Pillars addressed by DNA Analytics and Assurance
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Contextual Information
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential The Value of Context “By all means go and see this play” —Theatre Critic (as quoted in an advertisement by the play’s producers)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential “If triviality is what you happen to be wanting, by all means go and see this play” —Theatre Critic The Value of Context
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential The Challenge of Context: Transforming Data into Actionable Insights Data Insight Information Action Create value at the right time Extract meaningful insights from data Businessbenefit Volume Data size • TB per day • Streaming telemetry, NetFlow, Syslog, SNMP, logs Velocity Data speed • Firehose • Streaming, low-latency push/pull Variety Data forms • Structured, unstructured • Switch, router, AP, IoT sensor, firewall, load balancer, DHCP, DNS Veracity Data trustworthiness • Quality, validity • Internal, partner, public Analytics 19
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Transforming Data into Actionable Insights Example Data Insight Information Action WebEx has 63 ms of jitter WebEx Application Health Score is 70% WebEx is not being marked on the WLAN Enable Fastlane for WebEx 20
21.
© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DDI NetFlow AVC Topology Location Device Analytics Engine User: George BakerGroup: Marketing Contextual Correlation Example ISEISE MAC: B8:8D:12:36:15:22 MAC: 60:F4:45:78:96:9F
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DDI NetFlow AVC Topology Location Device Analytics Engine User: George BakerGroup: Marketing Contextual Correlation Example ISEISE DDI Source IP: 1.1.1.2 MAC: B8:8D:12:36:15:22 MAC: 60:F4:45:78:96:9F
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DDI NetFlow AVC Topology Location Device Analytics Engine User: George BakerGroup: Marketing Contextual Correlation Example ISEISE DDI Dest IP: 2.2.2.2 Dest Port: 80 ? Dest IP: 3.2.2.2 Dest Port: 80 ? NetFlow Source IP: 1.1.1.2 MAC: B8:8D:12:36:15:22 MAC: 60:F4:45:78:96:9F
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DDI Netflow AVC Topology Location Device Analytics Engine User: George BakerGroup: Marketing Contextual Correlation Example ISEISE DDI Dest IP: 2.2.2.2 Dest Port: 80 NetFlow Dest IP: 3.2.2.2 Dest Port: 80 AVC ? ?Source IP: 1.1.1.2 MAC: B8:8D:12:36:15:22 MAC: 60:F4:45:78:96:9F
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential TopologyTopology Location Device Analytics Engine Dest IP: 2.2.2.2 Dest Port: 80 Dest IP: 3.2.2.2 Dest Port: 80 User: George BakerGroup: Marketing Topology Contextual Correlation Example DDI Netflow AVC Location Device ISEISE DDI NetFlow AVC Source IP: 1.1.1.2 MAC: B8:8D:12:36:15:22 MAC: 60:F4:45:78:96:9F
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential MAC: 60:F4:45:78:96:9FLocation Device Analytics Engine Dest IP: 2.2.2.2 Dest Port: 80 Dest IP: 3.2.2.2 Dest Port: 80 User: George BakerGroup: Marketing Location Building 24 1st Floor Contextual Correlation Example TopologyTopologyTopology DDI Netflow AVC ISEISE DDI NetFlow AVC Source IP: 1.1.1.2 MAC: B8:8D:12:36:15:22
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential MAC: 60:F4:45:78:96:9F Device Analytics Engine Dest IP: 2.2.2.2 Dest Port: 80 Dest IP: 3.2.2.2 Dest Port: 80 User: George BakerGroup: Marketing Building 24 1st Floor Device No Layer 2 QoS marking for Webex Contextual Correlation Example LocationLocation TopologyTopologyTopology DDI Netflow AVC ISEISE DDI NetFlow AVC Source IP: 1.1.1.2 MAC: B8:8D:12:36:15:22
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Machine Learning
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential What is Machine Learning? • Machine learning is an application of artificial intelligence (AI) that provides systems the ability to automatically learn and improve from experience without being explicitly programmed to do so • The process of learning begins with observations of data, and looking for patterns within the data so as to make increasingly better correlations, inferences and predictions • The primary aim is to allow these systems to learn automatically without human intervention or assistance and adjust actions accordingly
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public#CLUS Reasons for Data Patterns • Coincidence • Correlation • Causation Statistics 101: Correlation does not necessary mean Causation
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Machine Learning Algorithms build their models using hundreds of inputs APs WAN Local WLCs Network Services DCOffice Site ISE DHCP Mobile Clients CUCM ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ RF & EDCA behavioral metrics,.. Queuing, Dropping, WRED behavioral metrics… Device type, OS release, behavioral metrics, ... WAN & core network metrics .. Application metrics, user feedback, failure rate, ... ... and more
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Design Thinking
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Design Thinking (DT) Case Study: GE MRI • Best technology of its time • most accurate • most comprehensive • safest • Terrible initial user- experience, especially with children • 80% of pediatric patients had to be sedated when undergoing MRI scans • Doctor quote: “The worst part of my day is when I have to give a child an MRI.”
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public DT Case Study: GE MRI • Getting intimately familiar with end-users (specifically pediatric patients) led to the insight: • These sick children miss out on a lot of adventures • Revamped user-experience (no change to tech) à results: • <5% of pediatric patients had to be sedated when undergoing MRI scans • Doctor quote: “The BEST part of my day is when I have to give a child an MRI and I get to dress up like a pirate!” 34
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public Design Thinking “Sweetspot”
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public Design Thinking Core Phases
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 39
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 42
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 48
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Technical Requirements
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DNA Assurance 50
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Collect relevant metrics Self-Healing Network Architectural Requirements #1: Instrumentation EM App Servers Sensors 53
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Categorize metrics by degrees of relevance Self-Healing Network Architectural Requirements #2: On-Device Analytics 54
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Upload critical metrics off the device to collector(s) (optimally via model-based streaming-telemetry) Self-Healing Network Architectural Requirements #3: Telemetry EM Collector 55
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Provision long-term storage, retrieval and representation of network metrics and events Self-Healing Network Architectural Requirements #4: Scalable Storage 56
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Identify anomalies and trends Self-Healing Network Architectural Requirements #5: Analytics Engine 57
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Analyze all data points and permutations for cognitive and predictive analytics Self-Healing Network Architectural Requirements #6: Machine Learning 58
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Identify root cause of issues by contextually correlating data Self-Healing Network Architectural Requirements #7: Guided Troubleshooting EM Analytics Engine 59
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Self-Healing Network Architectural Requirements #8: Self-Remediation Present actionable insights to the operator Solicit input to remediate the root cause Present a self-remediation option EM Analytics EngineEM Network Controller Do you want to take the recommended action? Yes No Do you want to take the recommended action? Yes NoAlwaysAlways 60
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DNA Assurance
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential © 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public DNA Software Capabilities Cloud Service Management Automation Analytics Virtualization DNA-Ready Physical and Virtual infrastructure Security Cisco DNA Architecture 62
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DNA Center A window into the Network for Design, Provision, Policy and Assurance DNA Center Appliance EM NDP NDP: Network Data Platform (Analytics Engine) EM NCP NCP Network Controller Platform (Network Controller) Automation Analytics 63
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DNA Assurance Everything as a Sensor 150+ Actionable Insights Client | Applications | Wireless | Switching | Routing Network Telemetry Contextual Data Complex Event Processing Correlated Insights Guided Remediation IPAM CMX AppD IPSLA SNMP OID Telnet DNS MIB Ping CLI DHCP Wireless AAA Syslog Router Netflow Traceroute Metadata extraction Complex correlation Steam Processing 001110101100110 1010110010 00101101 0110100 1101101 00101101 10101100110 101011000110011 Clients Baseline Application Network
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Wireless Sensors Proactively Assess Performance Test your network anywhere at any time R1 Dedicated Sensor AP1800 Flexible Radio Sensors act as clients Access point Ø On-Boarding Tests • 802.11 Association • 802.11 Authentication & Key Exchange • IP Addressing DHCP (IPv4) Ø Network tests • DNS (IPv4) • RADIUS (IPv4) • First Hop Router/Default gateway (IPv4) • Intranet Host • External Host (IPv4) Ø Application tests • Email: POP3, IMAP, Outlook Web Access (IPv4) • File Transfer: FTP (IPv4) • Web: HTTP & HTTPS (IPv4) Flexible Radio Assignment Algorithm intelligently identifies excessive radios and seamlessly converts those into Sensor mode without client impact 65
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Demo Time
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client Health Page 67
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client Health Details 68
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client 360 69
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client Onboarding Network Coverage & Capacity Network Device Monitoring Application Performance Sensor Association failures Authentication failures IP address failure Client Exclusion Excessive on-boarding time Excessive authentication time Excessive IP addressing time AAA, DHCP reachability Coverage hole AP License Utilization Client Capacity Radio Utilization Availability Crash, AP Join Failure High Availability CPU, Memory utilization Flapping AP, Hung Radio Power supply failures Throughput analysis Roaming pattern analysis Sticky client Slow roaming Excessive roaming RF, Roaming pattern Dual band clients prefer 2.4GHz Excessive interference Client Experience Web: HTTP & HTTPS Email: POP3, IMAP, Outlook Web Access File Transfer: FTP & TFTP Terminal: Telnet & SSHv2 Wireless Specific Correlated Insights Total Insights: 66 issues in DNA-C 1.1 70
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client 360—Issues
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client 360—Onboarding Details 72
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client 360—RF Details 73
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential DNA-C Assurance Apple Insights Device Profile Client shares these details 1. iPhone 7, iPad Pro 2. iOS 11 Support per device- group Policies and Analytics 1 Wi-Fi Analytics Client shares these details 1. BSSID 2. RSSI 3. Channel # Insights into the clients view of the network 2 Assurance Client shares these details Error code for why did it previously disconnected Provide clarity into the reliability of connectivity 3 74
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client 360—iOS Analytics 75
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Wireless Sensors Proactively Assess Performance Test your network anywhere at any time R1 Dedicated Sensor AP1800 Flexible Radio Sensors act as clients Access point Ø On-Boarding Tests • 802.11 Association • 802.11 Authentication & Key Exchange • IP Addressing DHCP (IPv4) Ø Network tests • DNS (IPv4) • RADIUS (IPv4) • First Hop Router/Default gateway (IPv4) • Intranet Host • External Host (IPv4) Ø Application tests • Email: POP3, IMAP, Outlook Web Access (IPv4) • File Transfer: FTP (IPv4) • Web: HTTP & HTTPS (IPv4) Flexible Radio Assignment Algorithm intelligently identifies excessive radios and seamlessly converts those into Sensor mode without client impact 76
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Run Network Tests • See What Works and Where 77
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Run Network Tests • Hover over a Test to See Results 78
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Filtering the View • Select Only the Tests That Matter to You Now 79
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Health
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Health—Site View
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Health—Topology View
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Health—By Device Roles
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Health—Device 360 (Part 1 of 3)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Health—Device 360 (Part 2 of 3)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Health—Device 360 (Part 3 of 3)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Issues and Troubleshooting Example
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Path Trace—Part 1 of 4
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Path Trace—Part 2 of 4 (Device Details and Stats)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Path Trace—Part 3 of 4 (Interface Details and Stats)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Path Trace—Part 4 of 4 (QoS and ACL Stats)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential PathTrace—How Does it Work?
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client 360—Application Experience
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Client 360—Application Experience (cont)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Calculating Jitter and Loss for RTP Apps RTP Header Format https://tools.ietf.org/html/rfc3550#section-5.1 Gaps in subsequent RTP packet sequence numbers identifies lost packets Jitter is calculated by comparing the timestamps of RTP packets with subsequent sequence numbers
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Calculating Latency and Loss for TCP Apps Client Server X SYN SYN-ACK ACK 6 Request 1 ACK DATA 4 DATA 3 DATA 5 DATA 3 Request 1 (Cont) X DATA 4 DATA 1 Request 2 DATA 6 DATA 2 ACK 3 ACK SND CND Request Response Retransmission RT Response Time (RT) t(First response pkt) – t(Last request pkt) Network Delay (ND) ND = ( CND + SND ) /2 Application Delay (AD) AD = RT – SND ART SND = Server Network Delay CND = Client Network Delay Packet Loss Loss ≈ Retransmissions (95%+ accuracy) Application Response Time (ART)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Intelligent Capture: Real-time Client and App Insights to enhance DNA Wireless Assurance • Enhance Sticky client issue analysis with Real-time location • Identify coverage holes with pinpoint accuracy (<3 mtr. accuracy) • 24x7 monitoring of Wi- Fi and non-Wi-Fi interference using Intelligent Capture radio • 24x7 wIPS forensics to prevent over the air attacks using Intelligent Capture radio • Real-time client RF view • In-service packet captures using Intelligent Capture analytics • Monitor Client Onboarding real-time • Real-time App performance insights Client and App Real-time Forensics Hyperlocation – Client Pin-pointing Total Secure Coverage Monitoring • Onboarding Tests • Network Services Tests • App Connectivity Tests • App Experience Tests Active Sensor Testing
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 1 On-Demand RF Scanner Key Issues addressed Poor RF Zones RF design optimization Sticky client analysis with real-time location Key Industries Healthcare, Distribution, Logistics, Retail and Higher Ed. VoIP performance and audio issues Situation • A large logistics company uses Wi-Fi operated Auto-guided vehicles (AGV) in its logistics warehouses. Due to high ceilings and large moving metal structures, these warehouse have dynamic RF scenarios • Due to little human involvement sometimes these machines don’t take optimal paths due to temporal coverage hole Solution • IT staff uses the On-Demand RF scanner tool to validate AGV’s RF coverage during the live operation and detect coverage holes in a highly dynamic RF environment • This helps IT staff immensely in RF design, planning and optimization Live RF Network || Pause 11:50:32 Record Session Red Spot: Coverage Hole KPI List Graph* SNR RSSI MCS Throughput Packet retry Green Spot: Voice-quality Throughput Orange Spot: Browsing-quality Throughput Red Spot: Coverage Hole Troubleshooting Use Cases using Intelligent Capture
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 2 Automated Packet Captures Key Issues addressed On-boarding and roaming failures VOIP Performance issues Sticky client analysis with real-time location Key Industries All segments Situation • A Financial services giant decided to adopt to BYOD to encourage people to use its Virtual Desktop Infrastructure for a certain critical applications. In the first week, John discovered longer Onboarding time from mobile device compare to laptop and received complaints from several end-users Solution • IT staff turned on the Auto PCAP to capture onboarding and roaming failure anomalies for the BYOD device at a specific site. This allowed IT staff to capture de-authentication packets that are typically observed when the client has driver issues • IT staff also had access to detailed PCAP analysis that enabled them to identify the root cause behind onboarding and roaming failures Visual Packet Trace Analyzer (<5 sec) Real-time Anomalies with Auto PCAPs (<5 sec) Troubleshooting Use Cases using Intelligent Capture
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Real-time Client Location Tracking (<5 sec) 3 VIP Service Assurance Visual Packet Trace Analyzer (<5 sec) Key Issues addressed On-boarding and roaming failures w/ PCAP Remote Wireless troubleshooting through Full PCAP Sticky client analysis with real-time location Key Industries Healthcare, Distribution, Logistics, Retail, Higher Ed, MSPs Service Level Assurance for critical apps/users Situation • A large healthcare deployed 5000 vital sign monitor for every in-patient. These vital sign allow doctors to monitor critical parameters on a real-time basis • Wi-Fi connection of vital sign monitor starts to get disrupted on an intermitted basis during the middle of the day and if not addressed it can be life threateningSolution • IT staff uses Live Troubleshooting tool to perform detailed forensics on both the client state and the location • Using packet trace analyzer, the IT staff is able to visualize frequent roaming and re-authentication failures from the device along with lower RSSI than anticipated in particular location Troubleshooting Use Cases using Intelligent Capture
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Intelligent Capture—Wireless OnBoarding Analysis
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Intelligent Capture—Application Analysis
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Intelligent Capture—Application Analysis (cont)
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Network Value Beyond Connectivity Integrated System The Network is the Foundation Programmable Products A Platform for Open Networking Seamlessly integrating IT systems and business processes Visibility Availability Performance Analytics and AssuranceSecurity Policy and BehaviorAutomation Value Beyond the Network: IT Efficiency | Business Intent | Service Assurance Open Platform Network Efficiency Business and IT Efficiency
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Summary
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© 2018 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential • Most networking departments today are bogged down by operations spending the majority of their time manually configuring and troubleshooting their networks • Enabling an intent-based closed-loop architecture, including automation and analytics, significantly frees up IT time and resources to drive innovation • DNA Assurance provides actionable 150+ insights for Clients, Networks and Applications • Additional ongoing-development initiatives were previewed, including • Application Dynamics Integration • Application Integration • StealthWatch Integration DNA Assurance—Summary
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