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Simplify, Scale, and Extend Cloud Networking with Cisco Nexus 1000V speaking session from VMworld 2013
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Simplify, Scale, and Extend Cloud Networking with
Cisco Nexus 1000V
Han Yang, Cisco Systems, Inc
PHC6409
#PHC6409
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 2
Agenda
Unified Fabric Integrating Physical and Virtual Networking
Introduction to Cisco Virtual Machine Networking
Simplify, Scale, and Extend VXLAN
Virtualized Network Services with Cisco vPath
Secure Hybrid Cloud with Nexus 1000V InterCloud
Physical and Virtual Infrastructure Orchestration
Summary
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 3
Architect Design Where
Can We
Put It?
Procure Install Configure Secure Is It
Ready?
Manual
From Weeks to Automated
Self-Service Provisioning
• Faster application deployment is being demanded
• Deploying applications requires acquiring and configuring physical and
virtual infrastructures
• Need Network Agility with best in class network service and SLA
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 4
VIRTUAL
PHYSICAL CLOUD
Consistency, Reduce Risk, Rapid Deployment
Consistent Nexus Experience
Intra-tenant
Security
Inter-tenant
Security
Application
Acceleration
Routing and
Gateways
Web-app
Firewall
Load
Balancer
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 5
CLOUD NETWORK SERVICES
WAN
Router Switches
Servers
ASA 1000V
Cloud Firewall
PHYSICAL INFRASTRUCTURE
Cisco Virtual
Security
Gateway
vWAAS
Multi-Hypervisor (VMware, Microsoft, KVM* Xen*)
Nexus 1000V vPath Enhanced VXLAN
Nexus 1000V
• Distributed switch
• NX-OS consistency
VSG
• VM-level controls
• Zone- based FW
ASA 1000V
• Edge firewall, VPN
• Protocol Inspection
vWAAS
• WAN optimization
• Application traffic
CSR 1000V (Cloud Router)
• WAN L3 gateway
• Routing and VPN
Ecosystem Services
• Citrix NetScaler VPX virtual ADC
• Imperva Web App. Firewall
Cloud
Services
Router
1000V
Imperva
SecureSphere
WAF Citrix
NetScaler
1000V
Network
Analysis
Module
(vNAM)
Full Portfolio of Best in Class Virtualized Network Service
*KVM in beta, Xen prototype
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 6
Across Hypervisors and Orchestration Tools
Physical Network
vSphere Hyper-V XenServer
Unified Fabric (Nexus 2000 – 7000)
UCS Computing Platform
Hypervisor KVM
vCloud Director/ Automation
Center
System Center
Citrix CloudPlatform
Cloud Portal
and Orchestration
Storage Platform
CIAC/ OpenStack/
Partners
Virtual Network
Infrastructure
L4-7
L2-3
vPath
Nexus 1000V
Cloud Network Services WAAS NAM ASA 1000V NetScaler Partners VSG
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 7
Nexus 1010/1110 Virtual Appliance
vWAAS VSG VSM
NAM VSG
Primary
Secondary
VSM
VSM: Virtual Supervisor Module
VEM: Virtual Ethernet Module
vPath: Virtual Service Data-path
VXLAN: Scalable Segmentation
VSG: Virtual Security Gateway
vWAAS: Virtual WAAS
ASA 1000V: Tenant-edge security
Virtual Service Blades Virtual Supervisor Module (VSM)
Network Analysis Module (NAM)
Virtual Security Gateway (VSG)
Data Center Network Manager (DCNM)
VEM-2
Win Server 2012
vPath VXLAN
ASA 1000V
NAM VSG VSM
L3 C
on
nec
tivit
y
VEM-3
Open Source Hyp
vPath VXLAN
VEM-1
VMware ESX
vPath VXLAN
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 8
Nexus 1000V Advanced Edition Nexus 1000V Essential Edition
Freemium Pricing Model Offers Flexibility for Customers to Deploy Cisco Virtual Data Center
No-Cost Version $695 per CPU MSRP
The world’s most advanced
virtual switch
• Full Layer-2 Feature Set
• Security, QoS Policies
• VXLAN virtual overlays
• Full monitoring and management
capabilities
• vPath enabled Virtual Services
Adds Cisco value-add features for
DC and Cloud
• All Feature of Essential Edition
• VSG firewall bundled (previously
sold separately)
• VXLAN to VLAN Gateway
• Support for Cisco TrustSec SGA
policies
• Platform for other Cisco DC
Extensions in the Future
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 9
N1KV Release 2.x N1KV Release 1.X
Free Upgrade to Advanced Edition
N1KV Licenses
Bought and Deployed
N1KV—Advanced Edition:
No Cost
Use Existing Licenses
VSG License*:
No Cost
Existing Cisco TAC Support
Contract Will Include Cisco
VSG Support
*Contact Cisco Representative
for Free VSG licenses
Free
Upgrade to
Release 2.x
Advanced
+
Cisco Confidential 10 © 2013 Cisco and/or its affiliates. All rights reserved.
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 11
VM VM VM VM VM
Add More Pods to Scale
VM VM
Utilize All Links in
Port Channel with UDP
Logical Network Spanning
Across Layer 3
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 12
• Ethernet in IP overlay network
Entire L2 frame encapsulated in UDP
50 bytes of overhead
• Include 24 bit VXLAN Identifier
16 M logical networks
Mapped into local bridge domains
• VXLAN can cross Layer 3
• Tunnel between VEMs
VMs do NOT see VXLAN ID
• IP multicast used for L2 broadcast/multicast, unknown unicast
• Technology submitted to IETF for standardization
With VMware, Citrix, Red Hat, and others
UDP Port 4789 assigned to VXLAN
Outer
MAC
DA
Outer
MAC
SA
Outer
802.1Q
Outer
IP DA
Outer
IP SA
Outer
UDP
VXLAN
ID (24
bits)
Inner
MAC
DA
Inner
MAC
SA
Optional
Inner
802.1Q
Original
Ethernet
Payload
CRC
VXLAN Encapsulation
Ethernet Frame
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 13
VEM 1 VEM 2
Forwarding mechanisms similar to Layer 2 bridge: Flood & Learn
VEM learns VM’s Source (MAC, Host VXLAN IP) tuple
Broadcast, Multicast, and Unknown Unicast Traffic
VM broadcast & unknown unicast traffic are sent as multicast
Unicast Traffic
Unicast packets are encapsulated and sent directly (not via multicast) to destination host VXLAN IP (Destination VEM)
VM VM VM VM
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 14
No Multicast Needed
SHIPPING
VM VM VM VM VM VM
Broadcast / unknown
unicast
VEM performs replication and encapsulation
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 15
Unknown Unicast Flood Prevented
SHIPPING
VEM IP / MAC Table
5000 [a.a.a]
VXLAN IP/MAC
VEM IP / MAC Table
5000
VXLAN IP/MAC
VSM IP / MAC Table
5000
VXLAN IP/MAC
Nexus® 1000V VSM
Data Center
Network
10.10.10.10
VM 1
[a.a.a]
VM 2
[b.b.b]
VM 3
[c.c.c]
VM 4
[d.d.d]
20.20.20.20
[b.b.b]
[c.c.c]
[d.d.d]
[a.a.a]
[b.b.b]
[c.c.c]
[d.d.d]
[a.a.a]
[b.b.b]
[c.c.c]
[d.d.d]
VSM learns VXLAN / MAC
VSM distributes
VXLAN / MAC
VM (M)
Send unicast to MAC X
Malicious VM in
VXLAN 5000
MAC X not found in table.
Packet Dropped.
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 16
VSM IP / MAC Table
5000 [192.1.1.1, a.a.a]
VXLAN IP/MAC
[192.1.1.1, b.b.b]
[192.1.1.1, c.c.c]
PREVIEW
No ARP Broadcast
VEM IP / MAC Table
5000 [192.1.1.1, a.a.a]
VXLAN IP/MAC
Data Center
Network
10.10.10.10
VM 1
[192.1.1.1, a.a.a]
20.20.20.20
In this mode VEM learns
VXLAN / IP / MAC
[192.1.1.1, b.b.b]
[192.1.1.1, c.c.c]
VEM IP / MAC Table
5000 [192.1.1.1, a.a.a]
VXLAN IP/MAC
[192.1.1.1, b.b.b]
[192.1.1.1, c.c.c]
VM 2
[192.1.1.1, b.b.b]
VM 3
[192.1.1.1, c.c.c]
VSM distributes
VXLAN / MAC
VM 3 ARP request for 192.1.1.1
192.1.1.1 found in
VXLAN 5000 VEM ARP reply with
VM1’s MAC a.a.a
Nexus® 1000V VSM
VSM learns
VXLAN / IP / MAC
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 17
VXLAN
(multicast
mode)
Enhanced
VXLAN
(unicast mode)
Enhanced
VXLAN
MAC
Distribution
Enhanced
VXLAN
ARP
Termination
Broadcast /
Multicast
Multicast
Encapsulation
Replication
plus
Unicast Encap
Replication
plus
Unicast Encap
Replication
plus
Unicast Encap
Unknown
Unicast
Multicast
Encapsulation
Replication
plus
Unicast Encap
Drop Drop
Known Unicast Unicast
Encapsulation Unicast Encap Unicast Encap Unicast Encap
ARP Multicast
Encapsulation
Replication
plus
Unicast Encap
Replication
plus
Unicast Encap
VEM ARP
Reply
VXLAN Mode
Packet
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 18
VM Data Center
Network
Physical Firewall
Bare Metal Servers
Router
Gateway
Gateway
Gateway
Overlay: Instant Provisioning
• Overlay needs gateway to access physical network
• Physical network to support overlay traffic pattern
Overlay
WAN
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 19
VXLAN to
VLAN
Gateway
VXLAN to
VLAN
Gateway
Hosted on local hypervisor as virtual machine connected to Virtual Ethernet Module
Managed as a module from VSM
Active/Standby VXLAN Gateway
Integrated with OpenStack
Scale: 4 VXLAN Gateway per VSM 2k Active VXLAN 2k Active VLAN
SHIPPING
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 20
L2 Domain C L2 Domain B L2 Domain A
LAYER 3
Web
VM
VXLAN
Gateway VXLAN
Gateway
VXLAN
Gateway VXLAN
Gateway Bare Metal
DB Server
VXLAN 5500
ASA
5500
VLAN 100
VLAN 200
L2 Domain A L2 Domain B L2 Domain C
Cisco Confidential 21 © 2013 Cisco and/or its affiliates. All rights reserved.
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 22
Nexus 1000V (Dist. Virtual Switch)
VSG (Zone-based FW)
ASA 1000V (Cloud FW)
vWAAS (WAN Optimization)
CSR 1000V (Cloud Router)
vNAM (Network Analytics)
Partner Services
• Distributed switch • NX-OS
consistency
• VM-level controls • Zone-based FW
• Edge firewall, VPN
• Protocol Inspection
• WAN optimization • Application traffic
• WAN L3 gateway • Routing and VPN
• App Visibility (L2-L7)
• Overlay Intelligence (OTV, VXLAN, FP**)
• Citrix NetScaler 1000V virtual ADC
• Imperva Web App. FW
Nexus 1000V
vPath
Any Hypervisor
VM VM VM
• A complete Layer 4 through 7 virtual service portfolio
• Best-in-class service insertion technology with vPath
• Built for all major hypervisor platforms
Cisco Cloud Network Services (CNS)
Citrix
NetScaler
1000V
Prime virtual
NAM
Imperva
SecureSphere
WAF
Virtual
Security
Gateway
ASA
1000V
Virtual
WAAS
CloudServices
Router 1000V
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 23
10G and
SSL Ready
VSM = Virtual Supervisor Module
DCNM = Data Center Mgt. Center * 2H CY13
Nexus 1000V
vPath
Any Hypervisor
VM VM VM
• Dedicated Cloud Services appliance
• Flexible, on-demand allocation of resources
• Allows policy management by network teams
Cisco Cloud Network Services (CNS)
Citrix
NetScaler
1000V
Prime virtual
NAM
Imperva
SecureSphere
WAF
Virtual
Security
Gateway
Nexus 1110 Cloud Services Platform
VSM VSM DCNM*
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 24
VSM = Virtual Supervisor Module
DCNM = Data Center Mgt. Center * 2H CY13
Nexus 1000V
vPath
Any Hypervisor
VM VM VM
• Citrix Best-in-Class virtual application delivery
controller (vADC)
• Sold and supported by Cisco (Q3)
• Integrated with Nexus 1100, vPath
Cisco Cloud Network Services (CNS)
Citrix
NetScaler
1000V
Prime virtual
NAM
Imperva
SecureSphere
WAF
Virtual
Security
Gateway
Nexus 1110 Cloud Services Platform
VSM VSM DCNM*
Citrix
NetScaler
1000V
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 25
Virtualized/Cloud Data Center
Application Services
Nexus 1000V
VSG
Tenant-A
Tenant-B
Tenant-C
Application Services
INSTRUMENTATION FLEXIBILITY Increased Agility
ANALYTICS Optimized Network Resources
PROGRAMMABILITY Enhanced Operational Efficiency
AWARENESS Improved Application Performance
Maintain Consistency Across Physical and Virtual Environments
OS
APP
Virtual
NAM OS
APP
OS
APP
OS
APP
OS
APP
Virtual Network Analysis Module (vNAM)— Track Workload Performance and Resource Usage
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 26
• Stops Web attacks that lead to compromise and downtime
• Easy to deploy and manage via N1110
Integrated with Cisco Cloud Services Portfolio
SecureSphere WAF
on Cisco Nexus 1110
HTTP
HTTPS
SQL Injection
XSS
Site Scraping
Web Fraud
Web Servers
Most Widely Deployed WAF in the World
Firewall Internet Hacker
and Bots
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 27
Intelligent Policy-based Traffic Steering Through Multiple Network Services
DB Tier
VM
VM VM
Web Tier
OS
OS OS
APP
APP APP
Client Initiates Flow to Web Server (VIP as Server IP)
Client › LB-VIP 1
1
NS1000V load balance web request, selects Web Server 1 (Client › S1) 2
2
Based on policy, vPath redirect traffic to service chain, starting with zone-based firewall, VSG
3
3
Traffic returns to Virtual Ethernet Module ready for next network service 4
4
WAF inspects packets for web attacks; prevents attack and generate alerts
5
5
vPath Forwards packet to Web Server VM 6
6
Cisco
vPath
7
8
Cisco
vPath
Policy-Based Service Chaining Through Multiple Network Services Database tier security policy 7 Sent to database 8
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 28
• Service chaining with vPath and non-vPath network services
• Virtual and physical network services
• Any network service can now be distributed, not just firewalls
• Submitted to IETF for standardization*
• Supporting Multiple hypervisors
Any Hypervisor
VM
vPath
vPath
Virtualized Network Service
Non vPath
Virtualized Network Service
vPath
Physical Network Service
Non vPath
Physical Network Service
Nexus 1000V
vPath
*http://tools.ietf.org/html/draft-quinn-nsh-00
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 29
Enterprise
Use Cases
• Secure
multipoint VPN
Gateway
• L3 Extension
• VXLAN
Gateway
Cloud Provider
Use Cases
• Secure VPN
Gateway
• MPLS Extension
Enterprise A
DC
ASR Branch
ISR
Servers
Virtual Infrastructure
Cloud Provider’s Data Center
Can be Deployed by Enterprises or Cloud Providers
Tenant A
Tenant B
CSR
1000V
CSR
1000V
Physical Infrastructure
Switches WAN
Router
Internet
MPLS
Branch
ISR
Enterprise B
Cisco Confidential 30 © 2013 Cisco and/or its affiliates. All rights reserved.
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 31
Complex Use,
Lack of Visibility
and Flexibility
Security: Workload Security,
Connection Security
Transparent
Migration Between
On-Prem and
Cloud
Reinventing It –
New Techniques
for Every Cloud
VM
VM
Enterprise Data Center Public Cloud
Hybrid Cloud
VPC
VM
VM
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 32
Program
Unique
APIs
Convert
Image Format
Reconfigure
Application
Insert Custom
Tools
Recreate
Services
Validate
Operations Onboard
New Monitoring
Use Cloud
Provisioning
Identify New
Security
Translate
Policies
Enterprise Apps and Network Services—on the Public Cloud
Enterprise Cloud
VM VM VM VM
Provider Cloud
Nexus 1000V InterCloud
VM VM VM VM L2 Services
Routing
Optimization
Firewalls IDS
ENTERPRISE VISIBILITY
ENTERPRISE CONTROL
ENTERPRISE SECURITY
PROVIDER RESOURCES
PROVIDER EASE OF BUSINESS
PROVIDER VALUE
Centralized
VM Migration and
Management
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 33
Enterprise Apps and Network Services—on the Public Cloud
Program
Unique
APIs
Convert
Image Format
Reconfigure
Application
Insert Custom
Tools
Recreate
Services
Validate
Operations Onboard
New Monitoring
Use Cloud
Provisioning
Identify New
Security
Translate
Policies
Enterprise Cloud
VM VM VM VM
Provider Cloud
Nexus 1000V InterCloud
VM VM VM VM L2 Services
Routing
Optimization
Firewalls IDS Centralized
VM Migration and
Management
• All data in motion is cryptographically isolated and encrypted:
Enterprise to Cloud and VM to VM within Cloud
• Enterprise owns the keys
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 34
Private
Cloud
Policy manager
Resource manager
Service registry
VM Manager
Cloud Provider Manager
Cisco Prime Network Services Controller
(Management Layer)
(Integration via Northbound API)
(Workloads moved via InterCloud)
Cisco Intelligent Automation for Cloud
Cisco Cloud Portal
Orchestrator manages
workflow across multiple
cloud environments
User requests cloud
services via end-user portal
Cisco Process Orchestrator
InterCloud + Cisco Intelligent Automation for Cloud
Nexus 1000V (Platform Layer) VM
VM
VM N1KV switching
firewall, routing
crypto secure
Tenant B
Cisco Confidential 35 © 2013 Cisco and/or its affiliates. All rights reserved.
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 36
Bundled Functions are Modular and
Simplified for Scale and Automation
Virtual
Fabrics
Optimized
Network
Fabric
Management
Workload
Automation
Innovative Building Blocks
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 37
Virtual
Machines
N1K
Auto-config Triggers
VDP
DHCP/ARP-ND
Data Packet Driven
Programmatic
Orchestration Stack
Network and Services
Orchestration
Compute and Storage
Orchestration
Cisco Prime DCNM
Physical
Machines
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 38
Cisco Prime DCNM
Configuration
Profiles
OpenStack
vCloud Director
Cisco N1kV DVS
1
a
a
2
b
Create Tenant
Network Communicate
Tenant Network
to Fabric
New VM gets
created in Red
Network Instantiates
Red network
Tenant
Network
a b 2 1
Vrf x
Interface
bdi
b
Network
Services
Security Storage
(Future)
Compute
(Future)
Network
Infra
stru
ctu
re E
lem
en
ts
UNIFIED API - UNIFIED INFORMATION MODEL (RESTFUL XML/JSON API)
Open APIs, Open Source, Open Standards
COMMON POLICY DRIVEN OPERATIONAL MODEL
Hypervisor Network Services
ASA
Network Management, Automation, Orchestration
Efficiency Scale Optimization Telemetry Application
Awareness
Nexus 1000V Fits within Application Centric Infrastructure
Cisco Confidential 40 © 2013 Cisco and/or its affiliates. All rights reserved.
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 41
Blade Server Managers Storage APIs Network API/CLI SCVMM vCenter RM
Physical Infrastructure Virtual Infrastructure
API to Cisco UCSM
Enterprise Systems Integration
LDAP, CMDB,
Metering DB • Single, unified product
built from the ground up
• Modular architecture
• Extensibility through APIs
• Deployed as an on-
premise virtual
appliance(s)
Cloupia Network Services
Agent
Virtual
Infrastructure
Management
Provides: • Policy-driven
• Self-service infrastructure
• Lifecycle management Cisco Cloupia
Multi-tenant Infrastructure Management Platform
Mobile
Platform
IT Admins IT Operations End Users
Cloupia Provides Unified, Centralized Management of Physical and Virtualization Infrastructure in Private and Hybrid Clouds
VMware Hyper-V KVM
Other
Providers
Savvis VPDC,
Terremark
Amazon, Entel,
Rackspace
Self Service Catalog
Admin Console
Dashboard
Cisco UCS Cisco Nexus
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 42
VM VM VM VM
Nexus 1000V VEM
VMware
Nexus 1000V VSM
VM VM VM VM
Nexus 1000V VEM
VMware
SSH
• Install BareMetal ESXi
• Download and Install VEM using
Cloupia Script
• Configure/Un-Configure Port-Profiles,
VLAN, ACL, VXLAN vCenter Server
Server
UCS Director Integrated Multi-tenant Cloud Platform
CNSA
Server
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 43
• Single-click
provisioning
• Intelligent resource
allocation
• Automated,
controlled delivery
End-to-End Operations and Provisioning
Result: Improved time to market
Minutes
© 2013 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 44
Accelerating Application Deployment Requires Physical, Virtual, and Cloud Infrastructure Automation
Cisco Provides Consistent Layer 2-7 Networking for Physical,
Virtual, and Cloud Deployments: Design Once, Run Everywhere
vPath 3 for Standardized Service Chaining for
Virtual and Physical Network Services
Orchestration Tool of Your Choice: vCD, SCVMM,
OpenStack, CloudStack, UCS Director, and More
Supports Multiple Hypervisors: vSphere, Hyper-V, KVM
Single Network for Physical, Virtual, and Cloud—
Consistent Operational Model and Troubleshooting, especially with ACI
Thank you.
46
Other VMware Activities Related to This Session
HOL:
HOL-PRT-1305
Cisco - Enhanced VXLAN Networking in vCloud Director
Group Discussions:
PHC1001-GD
vCHS Networking with Greg Herzog
PHC6409
THANK YOU
Simplify, Scale, and Extend Cloud Networking with
Cisco Nexus 1000V
Han Yang, Cisco Systems, Inc
PHC6409
#PHC6409