Cisco nexus 7009 overview
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  • 1. Cisco Nexus 7009 switch Eng.Hamza Al-Qudah 9-10-2012Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 1
  • 2. Agenda  Day 1 :  Introducing Cisco Nexus Family  The Nexus switches family range  Nexus VS 65XX  The Cisco Nexus 7000 Series  Nexus 7000 Hw specifications  Nexus 7009 specifications  Day 2 :  XOS vs IOSPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 2
  • 3. Introducing Cisco Nexus Family:  Nexus is a modular network switch introduced on January 28, 2008  Designed for the data center (optimized for high- density 10 Gigabit Ethernet.)  Its throughput is beyond 15 Tbps.  It has a modular NX-OS firmware/operating systemPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 3
  • 4. The Nexus switches family range: - Nexus 1000v virtual switch - Nexus 2000 fabric extender - Nexus 3000 series - Nexus 4000 IBM Blade Center switch - Nexus 5000 series - Nexus 7000 series modular datacenter switchesPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 4
  • 5. The Cisco Nexus 7000 Series  The Cisco Nexus 7000 Series was designed around three principles: 1- Infrastructure scalability: Virtualization, efficient power and cooling, high density, and performance all support efficient data center infrastructure growth. 2-Operational continuity: The Cisco Nexus design integrates hardware, NX-OS software features, and management to support zero-downtime environments.Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 5
  • 6. 3-Transport flexibility: You can incrementally and cost-effectively adopt new networking innovations and technologies, such as: Cisco Overlay Transport Virtualization (OTV) Cisco FabricPath Fibrer Channel over Ethernet (FCoE) Cisco IOS Multiprotocol Label Switching (MPLS)Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 6
  • 7. Over 1513 Patents Over $1B in Overall Data Pending/Issued on Data Center Research Center Technologies Transport and Development Flexibility Cisco® Nexus Cisco Nexus Consists Delivers a Unified of Multiple Products Fabric and I/O for Cisco with a Data Center the DC Nexus Class OS Operational Infrastructure Continuity ScalabilityPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 7
  • 8. Nexus VS 65XX : - Virtual port channel (VPC) : VPC is similar to VSS of the 65Ks. - Virtual device context (VDC) : With VDC you virtually divide your switch up to 4 different virtual switches and allocate hardware resources to them - 65Ks can perform all the functions... Nexus still doesnt support service modules like FWSM, load balancers etc...Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 8
  • 9. Cisco Overlay Transport Virtualization (OTV): - It makes multiple DC as one Dc. - The NX7k switch has MAC add table for each NX7k switch - The MAC add tables are automatically shared - It stops spanning tree protocol - In multicast : Just one copy sent to the core Cisco FabricPath : - Combines the simplicity of L2 domain with scalability of L3 domain , Creates (L2 routing tables) - No blocking , send through all links, down link will be excluded. - Shortest path will be used - Add fabricpath Switch destination header - Add server any where in the dcPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 9
  • 10. Fiber Channel over Ethernet (FCoE) : - Allow the server to connect to the San and the LAN through one link Hitless software upgrade by : - In Service Software Upgrade (ISSU) Cisco Data Center Network Manager: - Management toolPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 10
  • 11. Nexus 7000 Hw specifications : - Delivers high-density 10, 40, and 100 Gigabit Ethernet - provide parallel fabric channels to each I/O and supervisor module slot - Up to five simultaneously active fabric modules work together delivering up to 230 Gbps per slot 46 Gbps per slot per fabric ( 46*5 fabric = 230 Gbps per slot ) - 46 is for fabric 1 , in fabric 2 its 110 per slot - With 550G per slot, scales to more than 17 Tbps switching capacityPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 11
  • 12. Catalyst and Nexus: Complementary Focus for Broad Deployments Cisco® Nexus 7000 15 Terabit Scalability 100GbE Unified Fabric 40GbE Transport Flexibility Operational Continuity Cisco Catalyst® 6500 10GbE 2 Terabit Scalability 1GbE Unified Network AccessPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 12
  • 13. New Nexus 7000 Supervisor Engines : - Cisco Nexus 7000 Series Supervisor 2 and 2E Modules deliver increased control plane performance and system scalability - Cisco Nexus 7000 Series Supervisor 2 has twice the CPU performance of the Supervisor 1 Module - Cisco Nexus 7000 Series Supervisor 2E performance is Four times the CPU performance of the Supervisor 1 ModulePresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 13
  • 14. Nexus 7000 series :  Nexus 7000 chassis now includes 9, 10 and 18 slot chassis  New Innovation Cisco Nexus 7004 Chassis  As with the Nexus 5000 series the Nexus 2000 Fabric Extenders can act as a remote line card on the 7000 series.Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 14
  • 15. Extending the Cisco Nexus Family Data Center Class Switches Continuity Operational  Simpler More Stable Layer 2 Network  Highly Available Platform  Preserves operational best practices Flexibility Transport  FCoE based Unified Fabric  Virtualization Optimized Networking  Support for GE, FCoE, DCE, and FC Scalability Infrastructure  Reduces power, cooling, cabling  Up to 52 non-blocking 10GbE  Up to 1.2 Tbps capacityPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 15
  • 16. Nexus 7009 :  9 slots: 3-9 are line card slots, 1-2 are supervisor slots  Supports 336 10Gbit/s and/or 1Gbit/s  Air flow is side to side (right to left)  Up to 5 Crossbar Fabric Modules  Up to 2 power suppliesPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 16
  • 17. Day 2: IOS VS XOSPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 17
  • 18. NX-OS : - NX-OS two images kickstart image and system image. - Not all the features are enabled by default... for example if you want to use OSPF... you firstly have to enable the feature. ... (feature ospf) - All the features are licensed... This is not very bad... considering that an enterprise licenses gets almost all of your features running.Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 18
  • 19.  You dont have to prefix "do" in front of your "privilege level show commands" if you are in configuration mode  The routing protocol configuration is more on the interface level like in IPV6... ipv6 enable  NX-OS CANNOT NAT"; no NAT command on NX-OS... unusual as it is one of the common L3 feature on any cisco device.  No F and GE in the commands … all are Ethernet  There arent any speed designations in the interface name.Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 19
  • 20.  no "write" command you have to use the big old "copy run start“  The " sh tech-support" gives you never ending data... its HUGE MBs of data  Supports VTP only in transparent mode  - Doesnt support PAGP supports only LACP  - It doesnt support EIGRP unicast neighborship...  The "sh run" has a lot of minor components which makes it easier to look at the configuration... like "sh run rpm"(route processor module) : gives you all the route policy config like route-maps and prefix listsPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 20
  • 21. sh module : N7K-ABCDEF-GH  A : F (forwarding engine) or M (Multi purpose forwarding engine )  B : Model of forwarding engine : 1 or 2  C & D : Number of ports  E : Speed : X (10 gig ) or G (1 gig)  F : Connector Type : P (sfp+) or T ( RJ )  G : Generation of fabric : 1 ( 1’st ) or 2 (2 nd)  H : Number of channels of 40 gig : 1 (40 gig) or 2 (80 gig)  show module xbar : to show switch fabricPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 21
  • 22. Day 3: Continue IOS VS XOSPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 22
  • 23.  Base services: The default license that ships with NX-OS covers Layer 2 protocols including such features such as Spanning Tree, virtual LANs (VLAN), Private VLANS, and Unidirectional Link Detection (UDLD).  Enterprise Services Package: Provides Layer 3 protocols such as Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), Intermediate System-to-Intermediate System (ISIS), Enhanced Interior Gateway Routing Protocol (EIGRP), Policy- Based Routing (PBR), Protocol Independent Multicast (PIM), and Generic Routing Encapsulation (GRE).  Advanced Services Package: Provides Virtual Device Contexts (VDC)Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 23
  • 24.  license file is obtained from Cisco.com and copied to flash, install it on the chassis.  Show license host-id :host-id for License File Creation on Cisco.com (serial number)  Install license bootflash:license_file.lic  NX-OS offers feature testing for a 120-day grace period ...fully operate a feature without the need for a license to be purchased  The last 6 days it will start send notifications  #()license grace-periodPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 24
  • 25.  NX-OS has a setup utility that enables a user to specify the system defaults, perform basic configuration, and apply a predefined Control Plane Policing (CoPP) security policy.  Two preconfigured instances of VPN Routing Forwarding (VRF) by default (management, default).  By default, all Layer 3 interfaces and routing protocols exist in the default VRF.  The mgmt0 interface exists in the management VRF and is accessible from any VDC.  Each VDC has a unique IP address for the mgmt0 interface.Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 25
  • 26.  Default login administrator user is admin; a password has to be specified when the system is first powered up.  you cannot disable the username and password login.  The default Spanning Tree mode in NX-OS is Rapid- PVST+.  When u disable a feature all relevant commands are removed from the running configuration.Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 26
  • 27.  Show environment power : power requested in the max appear cisco power calc  Telnet is disabled by def , ssh is enabled  Sh vrf :  vrf managment : def route  vrf context managment ip route 0.0.0.0 /0 gw  int mgmt 0 ip add /24 def in mgmt vrf dedicated for it  Sh vrf managment int  Int ethe x/x : vrf member managmenet ...refusedPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 27
  • 28.  ping gw ..no u have to determine vrf  sh run | grep -a 3 –n mgmt 0 :  rollbased access control : rback  sh role : admin : read write operator : read  sh role feature-group  feature group ...ex pre def l3 feature groupPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 28
  • 29.  role name ...  rule 1 permit read  rule 2 permit read-write feature cdp  rule 3 permit command ping *  rule 4 permit command config t : interface *  interface policy deny permit interface eth 2/1  sh role name ....  user ... pass ... role ....Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 29
  • 30.  ? the available commands will be limited  debug ? only cdp ( write allowd for cdp only)  ? In config mode :cdp or interface ( interface only eth 2/1 )Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 30
  • 31.  rollback :  checkpoint .... ( up to 10)  sh checkpoint summary  sh checkpoint ... : the config of checkpoint  rollback running-config checkpoint ...  config s (session) : till now just for acl  To check the resource availability for a certain feature  config s ...  verify  show config session  Commit , abortPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 31
  • 32.  -if : ip ospf hello-interval 2  ip ospf network point-to-point  ip router ospf 1 area 0 : activate osfp in interface  statefull process restart : l2 process and ospf : safe the processes  int .. : sh no sh  load bootflash:dd.plgin  (linux) kill 6255 sh process | inc ospf  int e2/1, 2/2-4Presentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 32
  • 33.  netflow :  feature nerflow  flow record ....  match ipv4 dest add  matc ipv4 souse add  match ip protocol  collect transport tcp flags ( collect is the info need to be exported)  collect routing forwarding-status  flow exporter ....  description ....  destination x.x.x.x vrfPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 33
  • 34.  source loobback 0  transport udp port 12345  version 5  Now apply netflow for interface by config flow monitor with connect exporter with recored  flow monitor ... record .... exporter ... up to 2 diff export per monitor  sh run config netflow  int .. : ip flow monitor ... input (igress)  sh sys internal flowPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 34
  • 35.  Ethenizer for wire shark  Ethanalyzer local interface (mgmt or input ) brief limit-captured-frame 5 write bootflash:cap1  Its for control plane traffic  Data plane traffic captured by netflow or spanPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 35
  • 36.  vdc :  sh vdc  n7k : def  sh vdc membership :( interfaces )  vdc ... create vdc  allocate interface x : config will be lost  ha-policy (dual-sup (bring-down or restart or switchover)  single sup) bring-down or restart or reload : reload : the sup restart : restart the vdcPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 36
  • 37.  limit resources vrf min x max y  limit resources vlan min x max y  limit resources port-channel min0 max 0  sh vdc ... detail  sh vdc ... membership  sh vdc ...resources  switch to vdc ...  password : create onePresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 37
  • 38. The End Hamza Al-QudahPresentation_ID © 2006 Cisco Systems, Inc. All rights reserved. 38