The cisco nexus 3048, with its compact onerackunit 1ru form factor and integrated layer 2 and 3 switching, complements the existing cisco nexus family of switches. Cisco nexus 7000 series supervisor module plugs into either the 10slot or 18slot chassis the cisco nexus 7000 series supervisor module is designed to deliver scalable control plane and management functions for the cisco nexus 7000 series chassis. The cisco nexus 7000 f3series 12 port module, offers outstanding feature flexibility and wirerate performance on each port. This is todays best single source for the techniques you need to troubleshoot problems with cisco nexus switches running the nxos operating system. Five things about cisco nexus 5k control plane policing. Best institute for learn cisco nexus online training in hyderabad india. First off, why do you care about copp or its counters.
Nexus 7000 configuration guide configuring control plane policing. It offloads intensive tasks to the io module cpu for access control lists acl and fib programming. Cisco nexus 7000 f3series 12port 40 gigabit ethernet. Cisco nxos software for cisco nexus 7000 series switches product overview. This document describes what, how, and why control plane policing copp is used on the nexus 7000 series switches, including the f1, f2, m1, and m2 series modules and line cards lc.
Refer to the configuring ssh and telnet section of the cisco nexus 7000 series nxos security configuration guide for more information about the. These processes collectively provide highlevel controls for most ios functions. The cisco nexus 7000 f2eseries fiber module is built with switchonchip soc architecture, in which a single applicationspecific integrated circuit asic implements all the module functions, including ingress buffering, forwarding lookup operations, access control lists acls, qualityofservice qos tables, fabric interfaces, and virtual output queuing voq. In the case of the gsr only, this has certain implications since the gsr is a distributedasic platform. Performs control plane and management functions dualcore 1. The cisco nexus 7000 f3series module offers exceptional security, with integrated hardware support for. Nexus 7000 copp, it is a tool to protect the backplane of. Cisco content hub cisco nexus 7000 series switches. Create the network foundation for a nextgeneration unified fabric data center. Configurable controlplane policing copp, which protects the supervisor cpu from excessive traffic acl counters and logging capability to. On nxos, you may find yourself wanting to check control plane policing for drops depending on the policy that you implemented dense, lenient, strict, moderate, custom and the performance of the nexus device in your network.
An enterprise or advanced services license is required depending on the features required. For more information on policing parameters, see the cisco nexus 7000 series nxos quality of service configuration guide, release 4. The cisco nexus 7700 f2eseries module offers exceptional security with integrated hardware support for. It also includes best practice policies, as well as how to customize a copp policy. The supervisor controls the layer 2 and 3 services, redundancy capabilities, configuration. Control plane policing protect cpu from your network. The product takes the student from an introduction to the product families and operating system, to layer 2 and 3 capabilities before moving on to multicast and security. The nexus 7000 series switch takes a distributed control plane approach. The control plane policing feature allows users to configure a qos filter that manages the traffic flow of control plane packets to protect the cp of cisco ios routers and switches against various attacks like denialofservice dos. Nexus 7000 copp random pings dropping the routing table. Introduction to cisco nxos nxos overview cisco press.
Configurable controlplane policing copp, which protects the supervisor cpu from excessive traffic access control list acl counters and logging capability to provide deeper packet visibility. Cisco nxos software for cisco nexus 7000 series switches. The control plane does a bit more then that but the three points above should get the point across. The cisco nxos software defaults to a strict policy that was developed to protect the cpu from the most common threats. This section contains a brief overview of the control plane policing copp policy. Probably the main difference is the fact with copp you control access and limit access to the entire controlplane. Describe software architecture, configure and troubleshoot cisco nexus 7000.
Forwarding team acl access control lists and qos quality of service nexus 70007700 range of nextgeneration unified fabric l2l3 data center switches. Cisco nexus 7000 series nxos quality of service configuration guide chapter. Cisco nexus 9000 series nxos security configuration guide, release 7. Vdc and rolebased access control rbac the cisco nxos software provides default user roles with different levels of authority for vdc administration as follows. The modular cisco nexus 7000 and 7700 switches deliver a comprehensive cisco nxos feature set and opensource programmable tools for softwaredefined networking sdn deployments. Control plane processing on the nexus 7000 series switch. When the ingress traffic reaches the traffic storm control level that is configured on the port, traffic storm control drops the traffic until the interval ends. This chapter describes how to configure control plane policing copp on a cisco nxos device. Qos remarking and policing policies policybased routing pbr unicast rpf check and ip source. Cisco nexus 3548 switchonachip dataplane architecture the cisco nexus 3548 has a unique soc design. Nxos 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.
Virtual device contexts vdc posted by on 23 july 20. Cisco nexus 70005000 online training, corporate training. Nexus switches operate differently to normal switch stacking. If you do not select an option or choose not to execute the setup utility, the cisco nxos software. Cisco nexus 7700 f2series enhanced 48port fiber 1 and 10. Nexus 7000 series switch the modular cisco nexus 7000 series switches deliver the highestdensity 10 gigabit ethernet ports in the market, with up to 768 10gbps ports and more than 17 terabits per second tbps of switching capacity, support for 40 and 100 gigabit ethernet interfaces, and a comprehensive cisco nxos software feature set. Control plane policing copp classifies and then ratelimits traffic being sent to the cpu of a switch. Find answers to basic configuration of nexus switch from the expert community at experts exchange. On the nexus 7000 you may see icmp packet loss when pinging from the cpu to another device depending on the speed in which this traffic is responded and how much icmp traffic is being sent to the switch at that moment. Cisco nexus 7000 f2series modules will support sampled netflow in nxos release 6. Troubleshooting cisco nexus switches and nxos cisco press. Nexus 7000 series 190 pages switch cisco nexus 6000 series configuration manual 216 pages switch cisco nexus 6000 series configuration manual. Verified control plane policing is dropping my pings, as it rightfully should. Control plane policing copp protects the control plane and separates it from the data plane, which ensures network stability, reachability, and packet delivery.
Basic configuration of nexus switch solutions experts. Identify the chassis and components of the cisco nexus 7000 switch. The modular cisco nexus 7000 and 7700 switches deliver a comprehensive cisco nxos feature set and opensource programmable tools for software defined networking sdn deployments. The data plane is active on all devices, but the control plane is only fully active on the master device and there is only a single active process for each l2 and l3 feature across the entire stack. They offer highdensity 10, 40, and 100 gigabit ethernet with application awareness and performance analytics. This protects the switch cpu by discarding excessive traffic destined for the controlplane. Copp control plane policingintro copp control plane policing version 1 copp control plane policing definitions. Cisco storage area network operating system sanos software and helps. Cisco nexus 7000 series nxos cli management best practices. The next thing i want to mention is how controlplane protection cppr differs from controlplane policing copp. The cisco nexus 7000 series switches are the foundation of.
The cisco nexus 7000 switches in this case a router, seem to drop icmp echo replies. Buy or sell a used cisco nexus 7000 f2eseries 48 port module. The f2series netflow sampling rate is greater than 1. The cisco soc has many features built into the hardware, including algo boost technology and a unique optimization of the logic for ultralowlatency performance regardless of the features enabled. This is due to the default copp control plane policing service policy that is enabled by default on the n7k. The architecture of the hardware and cisco nxos software will be explained, along with the purpose and configuration of the connectivity management processor cmp. Nexus7000 switching architecture, supervisor, fabric, and io module design, packet flows, and key forwarding engine. Nexus copp is set to strict, which protects the control plane from icmp abuse. A vulnerability in network time protocol ntp package of cisco ios and cisco iosxe software could allow an unauthenticated, remote attacker to cause a limited denial of service dos condition on an affected device. Cisco nexus 7000 f3series 6port 100 gigabit ethernet. Control plane policing cpp supported sampled netflow up to 256 programmable sampling rates.
The first in the next generation of data center switching platforms, the cisco nexus 7000 series provides integrated. Control plane policing implementation best practices. Default policing policies when you bring up your nxos device for the first time, the nxos software installs the default coppsystempolicy policy to protect the supervisor module from dos attacks. Bringing together content previously spread across multiple sources and cisco press titles, it presents uptotheminute featurelevel and architecturallevel information that is indispensable for troubleshooting nxos software and nexus hardware. Nexus 7000 f2eseries 48port fiber 1 and 10 gigabit ethernet module.
The default copp policy does not change when you upgrade the cisco nxos software. Rfc 6192 protect router control plane march 2011 the goal of the method for protecting the router control plane is to minimize the possibility for disruptions by reducing the vulnerable surface, which is inversely proportional to the granularity of the filter design. Cisco nexus 7000 series nxos security configuration guide. I have discovered a interesting default behaviour on a nexus 7000 router while troubleshooting.
Icmpping drops when pinging from nexus 7000 icmpping drops when pinging from nexus 7000 version 4 on the nexus 7000 you may see icmp packet loss when pinging from the cpu to another device depending on the speed in which this traffic is responded and how much icmp traffic is being sent to the switch. Ecorptrainings provides excellent classroom training for cisco nexus 70005000 training course. Icmpping drops when pinging from nexus 7000 it tips for. Nxos and cisco nexus switching nextgeneration data center architectures second edition the complete guide to planning, configuring, managing, and troubleshooting nxos in the enterpriseupdated with new technologies and examples using selection from nxos and cisco nexus switching. Preetham nanjappa software engineer iv cisco linkedin. If you do not select an option or choose not to execute the setup utility, the nxos software applies strict policing. A collection of processes that run at the process level on the routeprocessor rp. Ownership of qos and copp control plane policing policy configuration and hardware programming. Cisco nexus 9000 series nxos security configuration guide, release 9. This chapter provides an introduction and overview of nxos and a. Copp control plane policingintro it tips for systems. Control plane policing control plane policing copp covers all packets punted by the router that would hit the route processor cpu. Nextgeneration data center architectures, second edition book.
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