Securing networks with cisco routers and switches book

This expansive reference is packed with all the information you need to learn to use cisco routers and switches to develop and manage secure cisco networks. For switch, youll want some multilayer switches, as jared said. The classic access control list acl is the core mechanism on cisco network devices routers, switches etc which is mainly used for traffic filtering. This exam focuses on the application of security principles with regard to cisco ios routers, switches, and virtual private network vpn devices.

Jul 02, 2020 cisco announced that it has patched several vulnerabilities affecting its products, including security issues in small business routers and switches. So before moving to the various functions, it is necessary to know what makes them tick. Im guessing the switch doesnt support dot1q like you said earlier. Network security baseline cisco networking, cloud, and. Security hardening checklist guide for cisco routersswitches. This chapter is dedicated to cisco internetwork operating system ios. Cisco routers have another highrisk vulnerability techradar. Engineers handbook of routing, switching, and security with ios, nxos, and asa paperback. Though more router manufacturers are making routers easier to set up and configureeven via handy little apps instead of annoying webbased interfacesmost people probably dont tweak many options after purchasing a new router. Cybercriminals are actively exploiting vulnerabilities in ciscos carriergrade routers in the wild. However, you may want to get a 3560 incase it covers layer 3 switches. The 642637 securing networks with cisco routers and switches exam is the exam associated with the ccsp, ccnp security, and secure ios specialization certification.

Wipe data from cisco routers and switches before discarding them techrepublic. Taking a practical, applied approach to building security into networks, the book shows you how to build secure network architectures from the ground up. Cisco patches a security glitch affecting routers, switches. This book is a concise onestop desk reference and synopsis of basic. Page 1 securing networks with cisco routers and switches 642637 exam description. Cisco s fixed and modular, core, distribution, and lan access switches have been designed for the era of intentbased networking. Routers and switches maintain perinterface and global statistics that are essential for network telemetry. Cisco has addressed eight vulnerabilities affecting its products, including flaws in small business routers and switches. Understanding routers, switches, and network hardware. Cisco routeronastick with switch configuration example. How to properly secure your cisco router with passwords. These allow you to run cisco ios on your own computer emulator or mimic the cli simulator.

Feb 05, 2020 cdpwn exposes vulnerabilities, four remote code executions, and one denial of service in the cisco proprietary layer 2 network discovery protocol that is implemented in switches, routers, cameras. Cisco networking allinone for dummies 1, tetz, edward. Fortunately, you dont have to be an oldtime administrator to set up and maintain a cisco based network. On the network of switch0 you have assigned the network address 199. Versatile, reliable, flexible and powerful, the cisco switch product line such as the 2960, 3560, 3650, 3850, 4500, 6500, 9400 series etc offer unparalleled performance and features. Nov 17, 2020 implementing cisco ios network security iins is a cisco authorized, selfpaced learning tool for ccna security foundation learning. As you must have known, routers are used to route traffic between different networks based on layer 3 ip addresses and provide access to network segments and subnetworks. How to configure router and switch ultimate guide dnsstuff. Managed switches should support both l2 switching and l3 ip routing though youll find some with only l2 switching support.

Routing and switching essentials companion guide cisco press. Many a time, networking aspirants find it difficult to differentiate between a router and a switch as both the devices look quite similar. Network security baseline switching infrastructure. Cisco ios is a proprietary operating system that cisco routers and switches run on. Router security, however, involves protecting the network itself by hardening or securing the routers. Is enabled by cisco isr series with integrated wifi, lte advanced pro 5gready, cisco sdwan, cisco umbrella cloud security, and cloud onramp. Router security strategies rss is the sort of cisco security book i like to read. Learning the different methods used to secure a switch is important. Cisco networks teaches beginning and experienced network engineers the whole.

In my opinion, the cisco switches are the best in the market. To do this, companies put up firewalls, configure vpns, and install intrusion detection systems. Cisco router and switches security baseline configurations. Lisa bock, a security ambassador, explains the difference between the control, data, and management planes in networking, and provides to an overview of layer 3 attacks and techniques for securing cisco routers. Although a cisco switch is a much simpler network device compared with other devices such as.

Ethernet cables are usually used with network switches, but some switches also have fiberoptic ports. Contents at a glance introduction 1 selfassessment 21 chapter 1 networking fundamentals 29 chapter 2 network models 43 chapter 3 concepts in ip addressing 73 chapter 4 working with cisco equipment 7 chapter 5 securing your cisco devices 173 chapter 6 basic switch operations and configuration 193 chapter 7 basic routing 229 chapter 8 visualizing data flow between two. Network security is most often thought of as something that protects machines on a network. Router and switch management, the easy way by michael w. To encrypt all passwords in a routerswitch, you can use service paswordencryption command. Configuring secure shell on routers and switches running cisco ios cisco. This exam tests a candidates knowledge and skills needed to secure cisco ios software router and switch based networks, and provide security services based on cisco ios software. The securing networks with cisco routers and switches secure 1. Today were taking a look at the home networking hardware.

As far as switches cisco would probabley recommend 2960s or 2970s, i think you could get a way with 2950s. It extensively covers ipv4 and ipv6 addressing, ip data networks, switching and routing, network security, and much moreall in some detail. By anthony spadafora 23 october 2020 users with affected devices should apply ciscos patches now cisco is warning users that a security vu. Cisco networking allinone for dummies is a computer networking book written by edward tetz.

This succinct book departs from other security literature by focusing exclusively on ways to secure cisco routers, rather than the entire network. If you can afford 3560s, go for it, otherwise, 3550s will handle many of the same technologies, with private vlans not working, some ipv6 support and some qos support is different. The data you collect can be just as valuable as the physical assets of your business. Jul 16, 2003 securing administrative access to a cisco router. This book is a onestop desk reference and synopsis of basic knowledge and skills.

Yes, another option is gns3 with real switches and w or wo breakout sw. Cisco switches can be used as plugandplay devices out of the box but they also offer an enormous amount of features. If you have used a pc since 1995 and it ran something newer than windows 3. Lets see how to configure this paswords on a router.

Security titles from cisco press help networking professionals secure critical data and resources, prevent and mitigate network attacks, and build endtoend selfdefending networks. This book is a concise onestop desk reference and synopsis of basic knowledge and skills for cisco certification prep. Ssl v1 session key retrieval in cisco switchs and routers. This book was designed to cover the security of network infrastructure devices namely, routers and switches. This book is a onestop desk reference and synopsis of basic knowledge and skills for cisco certification preparation. This information includes perinterface throughput and bandwidth statistics, enabled features and global perprotocol traffic statistics. Network security principles and practices is a comprehensive guide to network security threats and the policies and tools developed specifically to combat those threats. Five ways to secure your cisco routers and switches. Securing networks with cisco routers and switches secure.

How to configure port forwarding on cisco router with. The course also gives you a basic in network programmability, automation, and softwaredefined networking. I tried running through those commands but got stuck with the switchport trunk encapsulation dot1q line. Network switches, lan and enterprise switches cisco. Cisco networking allinone for dummies by edward tetz, this guide outlines topics such as routers, switches, and networks. Once configured, all passwords are encrypted automatically, including passwords of locally defined users. This book provides you with the knowledge needed to configure cisco switches and routers to operate in corporate internetworks. Securing networks with cisco routers and switches secure 642. This book differentiates itself from other cisco books on the market by approaching network security from a hackers perspective. Another option to get familiar with cisco routers and switches is to use an emulator or simulator. What is difference between cisco router and switch. Running configuration an overview sciencedirect topics. This straightforwardbyfun guide offers expansive coverage of cisco and breaks down intricate subjects such as networking, virtualization, and database technologies into easily digestible. I suggest the authors of that book take a look at rss as a model for writing a second edition of lss.

Cisco devices offer excellent features for traffic filtering. If you have a large home network, you may encounter difficulties connecting to that network wirelessly. For beginning and experienced network engineers tasked with building lan, wan, and data center connections, this book lays out clear directions for installing, configuring, and troubleshooting networks with cisco devices. All the more advanced chapters have labs and exercises to reinforce the concepts learned. In this basic cisco router security configuration lesson, we will talk about, how to secure a router.

With straightforward explanations, this book details how to design and implement cisco networks, and it shares best practices to use when working with cisco switches and routers. Secure securing networks with cisco routers and switches. Business resiliency with secure network solutions cisco. Im new to networks, and im trying to configure router onastick w switch using a cisco catalyst 2960 switch and c7206 router.

His strength lies in the area of network design, implementation, and troubleshooting for large networks on many different media types, including frame relay and satellite. Interconnecting cisco network devices, part 1 icnd1. Follow the author similar authors to follow cisco networks. Cisco router and switch forensics is the first book devoted to criminal attacks, incident response, data collection, and legal testimony on the market leader in network devices, including routers, switches, and wireless access points. Cisco routers and switches ppt network switch internet. There are many features present in cisco routers and switches, which can be misused by an attacker to gain control over your network. By anthony spadafora 15 may 2019 security researchers have compromised ciscos 1001x series router researc. How to use this book this book consists of 22 chapters. Cisco addresses flaws in small business routers and switches.

Sep 06, 2007 this security book is part of the cisco press networking technology series. Although the main purpose of the switch is to provide interconnectivity in layer 2 for the connected devices of the network, there are myriad features and functionalities that can be configured on cisco switches. Basic cisco switch configuration example in 10 steps. Cisco manufactures a wide range of hardware products including wireless routers. This course covers secure routing and switching, including mitigation procedures and vlan switching. Cisco router and switches security baseline configurations hi, i am currently looking for documentation on creating security baseline configurations for routers and switches, any help would be greatly appreciated.

Securing networks with cisco routers and switches 642637. Cisco confirms 5 serious security threats to tens of. Cisco routerswitch common security vulnerabilities and. Cisco has issued fixes for five security glitches that can be found in a wealth of its networked enterprise products from switches and routers to web cameras and desktop voip phones. This book provides you with the knowledge needed to secure cisco routers and switches and their associated networks. The secure exam is one in a series of exams required for the cisco certified network professional security ccnp security certification. If you use ssh instead of telnet, your session to the switch will be encrypted. Both routers and switches are networking devices which allow computers to establish connection with other computers, devices and networks. Secure and intelligent our switches are powered by intent and informed by context, with security embedded throughout. How to secure cisco routers and switches global knowledge. This book teaches you difficult networking topics like virtualization and database technologies in easytounderstand language. Cisco networks engineers handbook of routing, switching.

When you telnet to a cisco switch, all the connection is in clear so if someone sniff your traffic he might be able to get the username and password of the device. Routers and switches make up the bulk of network infrastructure and are vulnerable to attack. This computer networking book includes all the information you need to learn to use cisco routers and switches. You can run gns3 for the routers, save the money and put it towards a 3560 or two. Pcs arent the only hardware you need to worry about erasing corporate data from before donatingyou should apply this best practice to any network device youre discarding, including cisco routers and switches. Since cisco is the market leader here, the author focuses on cisco router and switch security. How can a network engineer provide security of a router.

The most severe flaw, tracked as cve20203297, affects small business and managed switches, it has been rated by cisco as. Provides highly available secure access service edge sase with advanced cloud security and threat protection, an enhanced app experience, and support for unified communications. Cisco routers and switches are not security devices and they are made for routing and switching. The security firm red balloon has discovered a remote attack method which could potentially leave all of ciscos routers vulnerable. We hear about mass denial of service dos attacks or distributed denial of service ddos, but the network itself is as big a risk because if it is taken out, there is no path for the data to flow. In this article we will examine a different type of acl, called the vlan access control list vacl which works a little different. This straightforwardbyfun guide offers expansive coverage of cisco and breaks down intricate subjects such as networking, virtualization, and database technologies into easily digestible pieces. This book is designed to provide information about the cisco networking academy. Read on to get a clearer picture of what you need to optimize your home network. The security audit wizard, which is included with cisco configuration professional ccp can be used to conduct a. May 14, 2014 servers, routers get beacons implanted at secret locations by nsas tao team.

Major security issues found in cisco routers techradar. Before we learn how to secure cisco routers, lets briefly summarise the role routers play in network security. Securing administrative access to a cisco router securing. Cisco networks engineers handbook of routing, switching, and. Of course, you can use it for ccna, just like real routers with real switches but then you have to set up your own labs based on some book or examples.

Cisco s ultrareliable routers and switches are the backbone of millions of networks, but set and forget is not an acceptable attitude. Cisco 220 series fully managed switches deployed as aggregationaccess switches in very large networks or as core switches in relatively smaller networks. Network security is the combination of policies and procedures implemented by a network administrator to avoid and keep track of unauthorized access, exploitation, modification or denial of the network and network resources. Apr 06, 2021 cisco can uniquely run this cyber vision feature within network switches, routers, and gateways, which makes the overall solution simpler to deploy and dramatically reduces its total cost of. Sep 04, 2020 added in cisco ios software release 15. By default, cisco ios routers calculate interface statistics based on a default 5minute average. For security of the network and investigation of attacks, indepth analysis and diagnostics are critical, but no book currently covers forensic analysis of cisco network devices in any detail. Securing networks with cisco firepower next generation firewall ssngfw securing networks with cisco firepower nextgeneration. Cisco networking allinone for dummies by edward tetz.

Configuring administrative access on the cisco router is an important step toward network security. Cisco networks teaches beginning and experienced network engineers the whole gamut of cisco networking topics, including but not restricted to the following how to configure cisco switches, routers, and data center devices in typical corporate network architectures. It is aimed at providing network specialists with the knowledge and skills needed to secure cisco ios router and switch networks. The essential cisco networking books for network engineers. Engineers handbook of routing, switching, and security with ios, nxos, and asa. Cisco would probabley recommend 2800 or 2900 series routers. Security is an important concern for a network engineer. Photos of an nsa upgrade factory show cisco router getting. Jun 26, 2008 before i can tell you how to secure your router with passwords, i need to first make sure you know the three modes of the cisco ios. Dale liu, in cisco router and switch forensics, 2009. The rest of the book focuses on various functions of cisco routers and switches. With a handful of techniques, a little practice, and this book, you can keep your system in top shape. Engineers handbook of routing, switching, and security. The skills and knowledge needed to pass cisco ccent, ccna, and ccnp certification exams.

Cisco router and switch forensics is the first book devoted to criminal attacks, incident response, data collection, and legal testimony on the market. Connecting two routers on the same home network is not only helpful but doing so can be useful when you build a hybrid wireless network. A network switch is used to connect computers and other devices to a wired local network. Dec 31, 2002 the best security systems are designed in layers perimeter security, application security, network devicehardware security etc. Your cisco wireless router plays a big role in how well the internet works on your devices, so it may be necessary to access and tweak the router settings from. Snrs is a fiveday instructor led, lab intensive course. Learn about implementing cisco ios network security certmag. This is a popular emulator that runs the cisco ios software but you can only emulate routers no switches. In his spare time, michael also teaches several classes on cisco routers and switches. The course covers configuring network devices such as switches, routers, and wireless lan controllers. The securing networks with cisco routers and switches secure v1.