Cisco TechAdvantage Webinars
Closer Look into Dynamic Fabric
Automation (DFA): Part II
Patrick Warichet and John Ng
We’ll ...
•  Submit questions in Q&A panel and send to “All Panelists”
Avoid CHAT window for better access to panelists
•  For WebEx...
Speakers

Panelists

Sudhir Modali
Product Manager

nmodali@cisco.com

Vipul Shah
Product Manager

John Ng
Product Manager...
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

4
DC Trends Summary
Customer Challenges
Customer Usecase and DFA Benefits
Licenses, Products and Roadmap
Conclusion

© 2012 ...
ARCHITECTURE STRESS POINTS

NG INFRASTRUCTURE

App Workload Implications

• 

Network Efficiency, Topology Extensibility a...
•  Automate Network Deployment
•  Fabric Visibility
•  Scalable and Resilient Network
•  Workload Automation
	
  

© 2012 ...
Problem: Customers are spending too much effort on device provisioning.
Manual process are error prone.

v  Automate	
  p...
Script

DHCP

Config
NX-OS

3

2
DHCP phase – Get:
•  IP Address
•  Gateway address
•  Script server IP
•  Script file nam...
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

10
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

11
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

12
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

13
•  DCNM Cable Plan
detected problem
with a pair of leaf
switches
•  Port/Interface
disabled to prevent
any risk to the
net...
Customers: Need visibility into Fabric to understand performance and bottleneck
of network.

v  Need	
  view	
  of	
  ent...
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

16
3

Notify DCNM of VM.
Note: Supports Physical server
as well

vCenter
SCVMM
…

DCNM (CPOM)

Virtual-Machine
Manager
MAC
Le...
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

18
N5600

N7K

!

DCNM
(XMPP)

XMPP
Client

Benefits:
• 
• 
• 

Create logical groups
Retrieve data (HMI or MMI)
Event based ...
•  Switches will appear as Buddies
•  The Status of the Switches will be shown
•  You can now IM to a Switch sending NX-OS...
Customer: Need flexible architecture to reduce network down time, ability to
support multi-tenant and grow network on dema...
Failure
Domain
GW

GW

GW

WAN

•  Gateway functionalities are traditionally located at the

Aggregation layer.
•  Failure...
•  Distributed Gateway exists on all DFA-Leaf

where VLAN/Segment-ID is active

RR

RR

•  There are different DFA Forward...
•  Segment-IDs are utilized for providing

isolation at Layer-2 and Layer-3 across the
DFA Fabric

Segment-ID
3000

•  802...
Customer: Application roll out takes days due to disjointed and manual provisioning.
Pollution of stale configuration. Nee...
CPOM	
  

vCD	
  
UCS	
  Director	
  
	
  

Con*iguration	
  
Pro*iles	
  

Vrf	
  x	
  
Interface	
  bdi	
  

	
  
	
  
T...
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential
• 

Licensing Requirements:
N5600, N6k & N7k
- LAN Base
- LAN Enterprise
- Enhanced Layer-2
N5k
- Enhanced Layer-2
N1kv
- ...
Licensing:
CPOM with all it’s functionality is
FREE!
Including DCNM Essential Edition
© 2012 Cisco and/or its affiliates. All rights reserved.

Cisco Confidential

30
•  DCNM Overview
•  Fabric Bring up with POAP
Cable Plan Verification

•  Managing the Fabric with DCNM
•  Managing the DF...
DCNM Functional Details
OpenLDAP
Server

Orchestration
Integration
Script

DATA Center Network Management
Setup, Visualiza...
Spine 0

Leaf
0

Leaf
1
2/20

2/17

Topology

Spine 1

Leaf
2
2/21

2/22

Leaf
3
2/23

2/17

Enhanced Fabric Management Ne...
•  Thank you!
•  Please complete the post-event survey
•  Join us for upcoming webinars:
Register: www.cisco.com/go/techad...
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TechAdvantage Webinar - Closer Look into Dynamic Fabric Automation: Part II

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This webinar builds upon the January 8th session (http://www.slideshare.net/getyourbuildon/techadvantage-webinar-closer-look-into-dynamic-fabric-automation-dfa) and provides additional insight as to the technical components of how DFA works followed by a live demonstration.

Cisco DFA is the industry's first to be optimized for both Layer 2 and Layer 3 at all points, simplifying application deployment (physical and virtual) and providing consistency (quality of service [QoS], availability of network services, user experience, etc.) at all points of the network for all kinds of deployments. It simplifies, optimizes and automates the data center (DC) fabric environment by offering an architecture-based on 4 major pillars (fabric management, workload automation, optimized networking, and virtual fabrics). Each pillar provides a set functions which are modular enough to be used independently so that the adoption of new technology is eased as the DC fabric architecture evolves.
Agenda
- Introduction and overview
- Hands-on DFA Architecture
- XMPP and PoAP Demonstration
- Semi-Automated Workload Deployment
- Fully Automated Workload Deployment with OpenStack

Don't miss the live demo, replay the WebEx: https://cisco.webex.com/ciscosales/lsr.php?AT=pb&SP=EC&rID=74476657&rKey=d0e53a73afce73ad

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TechAdvantage Webinar - Closer Look into Dynamic Fabric Automation: Part II

  1. 1. Cisco TechAdvantage Webinars Closer Look into Dynamic Fabric Automation (DFA): Part II Patrick Warichet and John Ng We’ll get started a few minutes past the top of the hour. Note: you may not hear any audio until we get started. © 2013 Cisco and/or its affiliates. All rights reserved. Follow us @GetYourBuildOn 1
  2. 2. •  Submit questions in Q&A panel and send to “All Panelists” Avoid CHAT window for better access to panelists •  For WebEx audio, select COMMUNICATE > Join Audio Broadcast •  For WebEx call back, click ALLOW phone button at the bottom of participants side panel •  Where can I get the presentation? Or send email to: ask_techadvantage@cisco.com •  Please complete the post-event survey •  Join us for upcoming TechAdvantage Webinars: www.cisco.com/go/techadvantage © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 2
  3. 3. Speakers Panelists Sudhir Modali Product Manager nmodali@cisco.com Vipul Shah Product Manager John Ng Product Manager jng@cisco.com © 2012 Cisco and/or its affiliates. All rights reserved. Patrick Warichet vipshah@cisco.com Technical Marketing Engineer pwariche@cisco.com Cisco Confidential 3
  4. 4. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 4
  5. 5. DC Trends Summary Customer Challenges Customer Usecase and DFA Benefits Licenses, Products and Roadmap Conclusion © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 5
  6. 6. ARCHITECTURE STRESS POINTS NG INFRASTRUCTURE App Workload Implications •  Network Efficiency, Topology Extensibility and Rapid scalability, Configuration instantiation automation xxx As a Service •  Compute, network and storage Instantiation, Integrated Orchestration & Multi-tenancy Operational Simplicity •  •  Automation, Normalization, Ease of Management Visibility and programmatic instrumentation Virtual and Physical Integration Consistent Process Automation •  •  Common Orchestration, Provisioning Uniformity and Configuration consistency Distributed Workloads •  Distributed Physical resources– blurred server farm boundaries, Optimal Utilization, localization Sandy Bridge, Big Data, Virtualization Highly Integrated, resource Instantiation Lower Cost of Operation Extending DC Boundaries © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 6
  7. 7. •  Automate Network Deployment •  Fabric Visibility •  Scalable and Resilient Network •  Workload Automation   © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 7
  8. 8. Problem: Customers are spending too much effort on device provisioning. Manual process are error prone. v  Automate  process  to  create  scalable  and  repeatable  process   v  Provide  mechanism  to  provision  based  on  logical  groupings     v  Network  deployment  based  on  customized  policy   v  Admission  control  of  network  elements   © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 8
  9. 9. Script DHCP Config NX-OS 3 2 DHCP phase – Get: •  IP Address •  Gateway address •  Script server IP •  Script file name •  •  4 Switch downloads script Execute script locally •  Download software images •  Download running-config Reload •  Apply running-config Gateway L2 or L3 with DHCP relay 1 © 2012 Cisco and/or its affiliates. All rights reserved. Power up Switch with no startup-config •  •  Day-one provisioning Works with Nexus 3k/5k/6k/7k Cisco Confidential 9
  10. 10. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 10
  11. 11. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 11
  12. 12. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 12
  13. 13. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 13
  14. 14. •  DCNM Cable Plan detected problem with a pair of leaf switches •  Port/Interface disabled to prevent any risk to the network infrastructure © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 14
  15. 15. Customers: Need visibility into Fabric to understand performance and bottleneck of network. v  Need  view  of  entire  network  and  elements   v  Ability  to  track  VM  and  Physical  Elements  in  network     v  Proactive  Response  –  to  eliminate  and  isolate  trouble  spots     v  Programmatic  interface  to  enable  MMI  to  network  devices   © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 15
  16. 16. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 16
  17. 17. 3 Notify DCNM of VM. Note: Supports Physical server as well vCenter SCVMM … DCNM (CPOM) Virtual-Machine Manager MAC Learning 1 2 Power-Up Virtual-Machine © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 17
  18. 18. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 18
  19. 19. N5600 N7K ! DCNM (XMPP) XMPP Client Benefits: •  •  •  Create logical groups Retrieve data (HMI or MMI) Event based (future) N5K N6K N6K © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 19
  20. 20. •  Switches will appear as Buddies •  The Status of the Switches will be shown •  You can now IM to a Switch sending NX-OS CLI command Double-click the Buddy Name to open a Instant Message session © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 20
  21. 21. Customer: Need flexible architecture to reduce network down time, ability to support multi-tenant and grow network on demand. v  Reduce  Failure  Domain  and  bottleneck   v  Seamless  support  for  any  workload  anywhere   v  Provide  network  Elexibility  and  scalability   v  From  the  very  small  to  the  very  large:  physical  or  virtual   © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 21
  22. 22. Failure Domain GW GW GW WAN •  Gateway functionalities are traditionally located at the Aggregation layer. •  Failure domain extends between the entire L2 to L3 = Spine (Agg) boundary = Leaf (Access) © 2012 Cisco and/or its affiliates. All rights reserved. = Fabric Interface GW GW GW WAN Failure Domain •  Distributed Gateway at leaf reduces failure domain Cisco Confidential 22
  23. 23. •  Distributed Gateway exists on all DFA-Leaf where VLAN/Segment-ID is active RR RR •  There are different DFA Forwarding Modes for the Distributed Gateway: •  Proxy-Gateway (Enhanced Forwarding) Leverages proxy-ARP Intra- and Inter-Subnet forwarding based on Routing Contain floods and failure domains to the Leaf •  Anycast-Gateway (Traditional Forwarding) WAN Intra-Subnet forwarding based on FabricPath Layer-2 lookup is performed at the leaf Data-plane based conversational learning for endpoints MAC addresses ARP is flooded across the fabric = DFA-Spine © 2012 Cisco and/or its affiliates. All rights reserved. = DFA-Leaf = DFA-BorderLeaf = Fabric Interface RR = DFA Route-Reflector = Distributed Gateway Cisco Confidential 23
  24. 24. •  Segment-IDs are utilized for providing isolation at Layer-2 and Layer-3 across the DFA Fabric Segment-ID 3000 •  802.1Q tagged frames received at the Leaf nodes from edge devices must be mapped to specific Segments •  The VLAN-Segment mapping can be performed on a Leaf device level WAN •  VLANs become locally significant on the Leaf node and 1:1 mapped to a Segment-ID 802.1q Trunk 802.1q Trunk •  Segment-IDs are globally significant, VLAN IDs are locally significant •  Note: The “system fabric dynamic-vlans” range will be used for the VDP dynamic derived VLANs to Segment-Id mapping © 2012 Cisco and/or its affiliates. All rights reserved. VLANs VLANs Segment-IDs (Global) Cisco Confidential 24
  25. 25. Customer: Application roll out takes days due to disjointed and manual provisioning. Pollution of stale configuration. Need consistent way to roll out VM/PM. v  Improve  Workload  Rollout  Timing:  Days  to  minutes   v  Network  ConEiguration  automatically  applied:  VM/PM  event  triggered     v  VM/PM  orchestration  alongside  service  orchestration   v  Resource  creation/removal  based  on  usage   © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 25
  26. 26. CPOM   vCD   UCS  Director     Con*iguration   Pro*iles   Vrf  x   Interface  bdi       Tenant     Network     OpenStack   Orchestration   Cisco  N1kV   OVS   Under  the  hood   Create  Tenant  Network   Communicate  Tenant  Network  to  Fabric   New  VM  gets  created  in  Red  Network   Instantiates  Red  network   1 © 2012 Cisco and/or its affiliates. All rights reserved. 2 Cisco Confidential 26
  27. 27. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
  28. 28. •  Licensing Requirements: N5600, N6k & N7k - LAN Base - LAN Enterprise - Enhanced Layer-2 N5k - Enhanced Layer-2 N1kv - Essentials Edition stay tuned for Bundles (also including DCNM Advanced Edition)
  29. 29. Licensing: CPOM with all it’s functionality is FREE! Including DCNM Essential Edition
  30. 30. © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 30
  31. 31. •  DCNM Overview •  Fabric Bring up with POAP Cable Plan Verification •  Managing the Fabric with DCNM •  Managing the DFA Nodes with XMPP •  Manual Provisioning Physical Hosts •  Semi Automatic Provisioning Physical Hosts VMware vCenter Hosts VMware vMotion across the fabric •  Fully Automatic Provisioning with OpenStack © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 31
  32. 32. DCNM Functional Details OpenLDAP Server Orchestration Integration Script DATA Center Network Management Setup, Visualization, Management and Monitoring of Data Center Infrastructure (Network – Compute – Storage) Repositories DHCP Server Script (TFTP) Configuration and Software (SCP/FTP/SFTP/HTTP) XCP (XMPP) RabbitMQ AMQP OpenStack Controller Spine0 Horizon Spine1 Nova Horizon OpenStack Compute Leaf0 RabbitMQ Neutron © 2012 Cisco and/or its affiliates. All rights reserved. Leaf1 Leaf2 Leaf3 OVS VM1 VM2 Cisco Confidential 32
  33. 33. Spine 0 Leaf 0 Leaf 1 2/20 2/17 Topology Spine 1 Leaf 2 2/21 2/22 Leaf 3 2/23 2/17 Enhanced Fabric Management Network 100.100.100.0/24 Leaf 4 2/18 2/18 ESX1 172.27.245.222 ESX2 172.27.245.225 Phy1 Phy3 Phy2 vmnic3 vmnic3 Phy4 VSwitch VSwitch vmnic2 COMP1 CONTROL COMP2 eth2 eth1 eth2 Horizon Glance Neutron OVS Keystone Nova OVS eth0 vmnic2 RabbitMQ eth0 © 2012 Cisco and/or its affiliates. All rights reserved. eth0 DCNM Access Network 172.27.121.0/24 DCNM 172.27.245.227 eth0 VCenter 172.27.245.245 Cisco Confidential 33
  34. 34. •  Thank you! •  Please complete the post-event survey •  Join us for upcoming webinars: Register: www.cisco.com/go/techadvantage Follow us © 2012 Cisco and/or its affiliates. All rights reserved. @GetYourBuildOn Cisco Confidential 34
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