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Cisco Nexus

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on 16 June 2015

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Transcript of Cisco Nexus

Cisco Nexus
product architecture

Common access-downlink to access-uplink ratios are 20:1 and distribution-downlinks to distribution-uplink ratios are 4:1. Below is a figure that illustrates this concept.
model overzicht
nexus 1000v
The Cisco Nexus 1000V Series VEM runs as part of the VMware ESX or ESXi kernel and replaces the VMware virtual switch (vSwitch).
The Cisco Nexus 1000V Release 2.2 software onwards, is being offered in two editions:

This level of integration helps ensure
that the Cisco Nexus 1000V Series is fully aware of all server virtualization events,

nexus 2000
nexus 6000
nexus 7000
Nexus 1000-V
Nexus 2000
Nexus 3000
Nexus 5000
cisco 9000
3000 series common

wire speed

Top Of Rack
3100 series

high performance

high density

3500 series

lowest latency
(Algo Boost)

250 Nsec or less

nexus 5000
nexus 3000
Cisco Nexus 4000 Series Switches for IBM BladeCenter
high density
Top of Rack
layer 2
layer 3

VSM - Virtual Supervisor module
VEM - Virtual Ethernet Module
Cisco Nexus 1000V Essential Edition
Cisco Nexus 1000V Advanced Edition:
The VEM takes configuration information from the VSM and provides advanced networking functions:
quality of service (QoS), security features, and monitoring features.
Fabric Extenders
FEX behave logically like remote line cards for a parent Cisco Nexus 5000 or 7000 Series Switch.

Nexus 4000
unified fabric solution
Blade switch
20 non blocking 10Gb ethernet ports
6 uplinks (1G/10G) autosensing
ethernet, FCoE, iSCSI, NAS
support IEEE 802.1 Data Center Bridging (DCB ) losless Ethernet.
Extremely low latency (1.5 us)
• High-performance, low-latency 10 Gigabit Ethernet, delivered by a cut-through switching architecture, for 10 Gigabit Ethernet server access in next-generation data centers.
• A variety of connectivity options: Gigabit, 10 Gigabit (fiber and copper), FCoE, and Fibre Channel.
• Unified ports that support Ethernet, Fibre Channel, and FCoE.
• Fibre Channel over Ethernet (FCoE)–capable switches that support emerging IEEE Data Center Bridging (DCB) standards to a deliver a lossless Ethernet service with no-drop flow control.
Main Features
Veel modules verschillende interfaces
5600 serie
up to sixty-four 10 Gigabit Ethernet ports
overall throughput of 1.28 terabits per second.
48 fixed 1/10 Gigabit Ethernet Enhanced Small Form-Factor Pluggable (SFP+) ports.
Each 40 Gigabit Ethernet port can be split into four 10 Gigabit Ethernet ports using a QSFP+ breakout cable.
up to sixty-four 10 Gigabit Ethernet ports
48 fixed 1/10G BASE-T ports
four 40 Gigabit Ethernet QSFP+ ports
low port-to-port latency of approximately 3.3 microsecond
cisco 7000
Application Centric infrastructure
ethernet vs fabric
such as VMware vMotion
and Distributed Resource Scheduler (DRS).
Introductie features
Fabric ethernet
Unified ports
Overzicht nexus modellen
Inzoomen op modellen
Cisco FabricPath
Cisco proprietary layer 2 routing!
an innovative
Cisco NX-OS
Software technology
Cisco FabricPath Routes Traffic within the Fabric!
Unified ports
proces aanzetten om er gebruik van te kunnen maken
BGP process crasht!
Modulair OS
een proces kan stoppen terwijl router blijft functioneren.
Router forward nog steeds pakketten (NSF), andere processen draaien door.
BPG proces gracefull restart terwijl andere processen niet onderbroken worden.
Unified OS
nexus & MDS(SAN)
LAN / SAN (cisco MDS)

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Virtual Extensible LAN
VLANs use a 12-bit VLAN ID
only 4094 Vlans!
VXLAN uses a 24-bit segment ID
known as the VXLAN network identifier (VNID)
enables up to 16 million VXLAN segments
Design overview
voorbeelden QSFP kabels
modulair design (POD)
Top Of Rack
Middle Of Row
Full transcript