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Product overview

The Cisco Nexus® 9300-EX Series switches belongs to the fixed Cisco Nexus 9000 platform based on Cisco Cloud Scale technology. The platform support cost-effective cloud-scale deployments, an increased number of endpoints, and cloud services. The platform is built on modern system architecture designed to provide high performance and meet the evolving needs of highly scalable data centers and growing enterprises.
Cisco Nexus 9300-EX series switches offer a variety of interface options to transparently migrate existing data centers from 100-Mbps, 1-Gbps, and 10-Gbps speeds to 25-Gbps at the server, and from 10- and 40-Gbps speeds to 50- and 100-Gbps at the aggregation layer. The platforms provide investment protection for customers, delivering large buffers, highly flexible Layer 2 and Layer 3 scalability, and performance to meet the changing needs of virtualized data centers and automated cloud environments.
Cisco provides two modes of operation for Cisco Nexus 9000 Series Switches. Organizations can use Cisco NX-OS Software to deploy the switches in standard Cisco Nexus switch environments (NX-OS mode). Organizations can also deploy the infrastructure that is ready to support the Cisco Application Centric Infrastructure (Cisco ACI™) platform to take full advantage of an automated, policy-based, systems-management approach (ACI mode).
The Cisco Nexus 93180LC-EX Switch is the industry’s first 50-Gbps-capable 1RU switch that supports 3.6 Tbps of bandwidth and over 2.6 bpps across up to 32 fixed 40- and 50-Gbps QSFP+ ports or up to 18 fixed 100-Gbps ports. The switch can support up to 72 10-Gbps ports using breakout cables. A variety of flexible port configurations are supported using templates.


Features and benefits

The Cisco Nexus 9300-EX series provide the following features and benefits:

- Architectural Flexibility
- Industry leading Software Defined Networking Solution Cisco ACI™ support.
- Support for standards based VXLAN EVPN fabrics, inclusive of hierarchical multi-site support (refer to VXLAN Network with MP-BGP EVPN Control Plane for more information).
- Three-tier BGP architectures, enabling horizontal, non-blocking IPv6 network fabrics at web-scale.
- Segment routing allows the network to forward Multiprotocol Label Switching (MPLS) packets and engineer traffic without Resource Reservation Protocol (RSVP) Traffic Engineering (TE). It provides a control-plane alternative for increased network scalability and virtualization.
- Comprehensive protocol support for Layer 3 (v4/v6) unicast and multicast routing protocol suites, including BGP, Open Shortest Path First (OSPF), Enhanced Interior Gateway Routing Protocol (EIGRP), Routing Information Protocol Version 2 (RIPv2), Protocol Independent Multicast Sparse Mode (PIM-SM), Source-Specific Multicast (SSM), and Multicast Source Discovery Protocol (MSDP).
- Extensive Programmability
- Day zero automation through Power On Auto Provisioning, drastically reducing provisioning time.
- Industry leading integrations for leading devops configuration management applications – Ansible, Chef, Puppet, SALT. Extensive Native YANG and industry standard OpenConfig model support through RESTCONF/NETCONF.
- Pervasive API’s for all switch CLI functions (JSON based RPC over HTTP/HTTPs).
- High Scalability, flexibility
- Flexible forwarding tables support up to 1 million shared entries on EX models. Flexible use of TCAM space allows for custom definition of Access Control List (ACL) templates.
- Intelligent Buffer Management
- The platform offers Cisco’s innovative intelligent buffer management, that offers capability to distinguish mice and elephant flows and apply different queue management schemes to them based on their network forwarding requirements in the event of link congestion.
- Intelligent buffer management functions are:
- Approximate Fair Dropping (AFD) with Elephant trap (ETRAP). AFD distinguishes long-lived elephant flows from short-lived mice flows, by using ETRAP. AFD exempts mice flows from the dropping algorithm so that mice flows will get their fair share of bandwidth without being starved by bandwidth-hungry elephant flows. Also, AFD tracks elephant flows and subjects them to the AFD algorithm in the egress queue to grant them their fair share of bandwidth.
- ETRAP measures the byte counts of incoming flows and compares this against the user defined ETRAP threshold. After a flow crosses the threshold, it becomes an elephant flow.
- Dynamic Packet Prioritization (DPP) provides the capability of separating mice flows and elephant flows into two different queues so that buffer space can be allocated to them independently. Mice flows, sensitive to congestion and latency can take priority queue and avoid re-ordering that allows to elephant flows to take full link bandwidth.
- Hardware and software high availability
- Virtual Port-Channel (vPC) technology provides Layer 2 multipathing through the elimination of Spanning Tree Protocol. It also enables fully utilized bisectional bandwidth and simplified Layer 2 logical topologies without the need to change the existing management and deployment models.
- The 64-way Equal-Cost MultiPath (ECMP) routing enables the use of Layer 3 fat-tree designs. This feature helps organizations prevent network bottlenecks, increase resiliency, and add capacity with little network disruption.
- Advanced reboot capabilities include hot and cold patching.
- The switches use hot-swappable Power-Supply Units (PSUs) and fans with N+1 redundancy.

Hardware Specifications :

- 48 x 10GBASE-T and 6 x 40/100-Gbps QSFP28 ports
- 100-Mbps and 1/10-Gbps speeds Downlink supported speeds
- 4 Cores CPU
- 24GB System memory
- 64GB SSD drive
- 40MB System buffer
- 2 Management ports : 1 RJ-45 and 1 SFP
- 1 USB port

Kommt mit :

1x Console Kabel

1x Strom Kabel

switch#  show version
Cisco Nexus Operating System (NX-OS) Software
Copyright (C) 2002-2017, Cisco and/or its affiliates.
All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under their own
licenses, such as open source.  This software is provided "as is," and unless
otherwise stated, there is no warranty, express or implied, including but not
limited to warranties of merchantability and fitness for a particular purpose.
Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or
GNU General Public License (GPL) version 3.0  or the GNU
Lesser General Public License (LGPL) Version 2.1 or
Lesser General Public License (LGPL) Version 2.0.
A copy of each such license is available at

Software
  BIOS: version 07.59
  NXOS: version 7.0(3)I5(2)
  BIOS compile time:  08/26/2016
  NXOS image file is: bootflash:///nxos.7.0.3.I5.2.
  NXOS compile time:  2/16/2017 8:00:00 [02/16/2017 17:03:27]

Hardware
  cisco Nexus9000 C93108TC-EX chassis
  Intel(R) Xeon(R) CPU    1.80GHz with 24633824 kB of memory.
  Processor Board ID FDO22031AC7

  Device name: switch
  bootflash:   53298520 kB
Kernel uptime is 0 day(s), 0 hour(s), 12 minute(s), 45 second(s)

Last reset
  Reason: Unknown
  System version: 7.0(3)I5(2)
  Service:

plugin
  Core Plugin, Ethernet Plugin

Active Package(s):