LTE Wireless Out-of-Band Management - Baltic Networks

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White Paper / Out-of-Band ManagementGlobal Leader in 4G LTE Network SolutionsLTE WirelessOut-of-BandManagementConnected Device SerialConsole SupportWHAT YOU’LL GET: An overview of secureremote access to yourconnected device’s serialconsole over LTE. Typical deployments thatreduce costs utilizingOut-of-Band Managementfor the branch router. How to maximize yournetwork infrastructure. An overview of thesolutions to provide backupLAN/WAN connectivityand the tools to remotelytroubleshoot your primaryrouter and connections.

White Paper / Out-of-Band ManagementOVERVIEWFor distributed enterprises that have hundreds, or eventhousands of branch locations to remotely manage; networkreliability, diagnostic tools, and total cost of networkinfrastructure ownership are immense concerns. These ITteams must invest in highly resilient network infrastructure toproactively avoid unplanned network disruptions and downtime.The consequences of just a few minutes of downtime in theseorganizations can affect the entire company’s operations.In the past, Network Administrators managing distributedenterprises had to ‘fly blind’—troubleshooting their network onlyafter it went down. The most common form of troubleshootingwas having location managers check connections, power cycledevices, and ultimately ship failed devices back to the corporateoffice. In turn, administrators had to ship out spares to thelocation that was disrupted. This resulted in frustrated branchstaff, unreliable troubleshooting, and systems that could be downfor up to 24 hours. The second option was to have a truck rolland send a technician on-site to fix or replace the device butthe costs would accrue quickly to hit the bottom line. The thirdoption was to store spare hardware on site—relying on untrainedstaff to replace the failing systems. If the problems were notsolved by the hardware swap, the administrators would still haveto visit the location to troubleshoot the root cause of the issue.ACCORDING TOGARTNER, 40%OF DOWNTIMEIS DUE TOOPERATIONALERROR.1The legacy troubleshooting options equal a heavy load to manageand a hefty price tag; especially when these IT teams are graded on uptime. Multiplythe costs of having spares for each location, unplanned downtime, and truck rolls, andthe implications grow astronomically.When time is money, how do you get the most of your network solutions? By choosinga wireless failover solution that also allows for secure, remote console Out-of-BandManagement (OOBM).OOBM to the console port of the primary router is a value-added layer to anydistributed enterprise. A secondary secure path to the devices at remote locationswhen the primary network goes down means minimized disruption and downtime,ensuring business continuity and happy staff at remote locations. It also reduces theneed for expensive truck rolls, on-site technical staff, and a safeguard for ‘four-nines’network reliability. 2015 Cradlepoint. All Rights Reserved. 1.855.813.3385 cradlepoint.com2

SUCCESS STORYWhite Paper / Out-of-Band ManagementPOPULAR QUICK SERVICERESTAURANT CHAINCradlepoint provides a secondary WAN connection over LTE orMetro WiFi, as well as a secure remote method to access yourprimary branch router’s serial console port for configuration,troubleshooting, and management over 3G/4G/LTE, along withproviding a dependable backup WAN connection without theneed to install expensive wireline circuits. Cradlepoint alsooffers products that provide the secondary WAN connection withremote Out-of-Band Management as well as router redundancyfor the LAN via VRRP while ensuring high branch LAN availabilitywith router redundancy and ease-of-use.This white paper explores the typical challenges and deploymentsfor Out-of-Band Management using Cradlepoint devices.Furthermore, it explains how to maximize network managementby providing network redundancy and OOBM, all while reducingtotal cost of ownership for the Distributed Enterprise.NETWORK CHALLENGESWith many distributed enterprises moving mission-criticalapplications to the cloud, there is an incredible importance on thebranch LAN and WAN to be up and running 24/7. Not only is thisimportant for the retail industry for Point-of-Sale systems, butalso for the branch and mobile office as well.Protecting uptime is everything to the IT staff at a headquarterslocation of a distributed enterprise. Most organizations quantifyin thousands, if not hundreds of thousands per hour whentheir network is up and running. If a piece of equipment or thenetwork does go down, the IT staff has to deal with not only theresponsibility of lost revenue and productivity, but also repairingthe issue. HQ must bring the circuit back up when down, butmore often than not they don’t have the ability to see what theissue with the remote router actually is.Cost and resources are also a challenge. Managing hundreds orthousands of locations can get tricky if multiple locations godown and need attention. Generally, the distributed enterprisewill have no on-site IT staff and limited budgets for truck rollsand spare equipment.This global corporation ofquick service restaurantshas about 17,500 locationsworldwide serving millionsof customers each day withconcepts including popularpizza, chicken, and Tex-Mexchains. Most of the restaurantsare on a wired networkwith Cisco routers, the mainfunction of which is to processcredit cards. With so manytransactions daily, the companydecided to invest in a wirelessfailover system to guaranteeuninterrupted connection.After careful consideration, thecorporation chose Cradlepoint toprovide “four-nines” (99.99%) orbetter connectivity. Overall, thecorporation sees in Cradlepointa technology partner that canhelp it deliver increasinglymore efficient and profitableresults while ensuring the bestcustomer service.“Network outages can delaycredit card transactions. That’sa big deal for us. If one ofour restaurants’ drive-thruhas 15 cars in it and it takesan additional 30 seconds toprocess each order, you cansee the impact on customerservice. Cradlepoint makes surewe have virtually uninterruptednetwork connectivity.”—CHAIN’S MANAGER OF ITINFRASTRUCTURE 2015 Cradlepoint. All Rights Reserved. 1.855.813.3385 cradlepoint.com3

SUCCESS STORYWhite Paper / Out-of-Band ManagementAMERICAN APPARELTYPICAL DEPLOYMENTSTo maximize your network, Cradlepoint has two typicaldeployments that are configured for Out-of-Band Management.The first configuration is where the Cradlepoint is the backuprouter, supplying network and hardware redundancy via VRRP. Thesecond is actually the most popular for those who have a primarybranch router already on-site with MPLS link or other wirelineWAN link and only require WAN link redundancy.THE SERIAL REDIRECT FEATUREThe Serial Redirector feature can be utilized in two differentways: by connecting to the routers WAN IP address throughSSH, then typing the command “serial” at the CLI; or you canalso enable Telnet-to-Serial, then Telnet to the routers WAN IPaddress on a specified port and be immediately connected to theserial interface. The Telnet method is only recommended overa VPN tunnel as the traffic is not encrypted. For connectivitydirectly over the Internet the SSH method is recommended.SETTING UP YOUR HARDWAREConnect the USB-to-Serial adaptor to the USB port of the router,or if you have an IBR11x0 model use a null modem adapter todirectly connect without a USB adapter. Then connect a consolecable to the serial port on either the USB to serial adapter orthe IBR11x0 serial port. Next, connect the other end of thecable to the console port of the device you’d like to manage.Keep in mind Cradlepoint routers contain embedded LTE modemssupplying an immediate network infrastructure cost-savingsbecause the expense of a dedicated OOBM modem and POTS linewill no longer be required. For hundreds, or thousands of remotelocations, this could compile to astronomical savings per month.American Apparel is a verticallyintegrated manufacturer andretailer. All phases of production,from cutting and sewing tomarketing and photography, aredone at the company’s downtownLos Angeles factory. AmericanApparel has more than 280 storesglobally. Its L.A. factory is thelargest sewing facility in NorthAmerica.“The original impetus to workwith Cradlepoint grew fromAmerican Apparel’s need fora wireless failover solutionto guarantee uninterruptedInternet access.”– OSVALDO HURTADO, AMERICANAPPAREL’S DIRECTOR OF STORE ITINFRASTRUCTUREThe locations also required PCICompliant Internet access toprocess credit card transactionsand handle mission-criticalapplications. Cradlepoint routersenable American Apparel to keephundreds of its internationalretail locations online throughwireless 3G/4G. The stores canalso use Cradlepoint routersto create private networks tocompany headquarters.To manage its network ofrouters, American Apparel usesCradlepoint’s cloud-managednetwork solution, which allowsthem to centrally deploy,configure, and manage all oftheir devices across differentretail stores to improve thereliability and enhance theintelligence of their network. 2015 Cradlepoint. All Rights Reserved. 1.855.813.3385 cradlepoint.com4

White Paper / Out-of-Band ManagementMAXIMIZING NETWORK INFRASTRUCTUREThere are several scenarios for the Network Administrator to use Out-of-BandManagement as a diagnostic tool. For instance misconfiguring an ACL, access controllist (commonly known as ‘fat-finger syndrome’), bouncing an interface and shuttingdown the wrong interface, non-responsive devices after reboots, and if a carrier/wired line goes down and there is no other way to login to that router. You can alsouse OOBM to remotely configure a replacement router without having to roll a truck orpre-configure a replacement (RMA) router before sending it out to the remote location.Having this extra diagnostic layer is an added bonus to maximizing your networkdowntime and redundancy solution.Fig. 1: Typical Deployment—Network &Hardware RedundancyFig. 2: Typical Deployment—NetworkRedundancy 2015 Cradlepoint. All Rights Reserved. 1.855.813.3385 cradlepoint.com5

White Paper / Out-of-Band ManagementRECOMMEND BEST PRACTICES FOROUT-OF-BAND MANAGEMENTCradlepoint highly recommends the following best practices forOut-of-Band Management:1. Utilize Cradlepoint routers with embedded modems fornetwork redundancy, OOBM, and VRRP.2. Use the SSH-to-Serial access because it is encrypted andrequires a username and password. It’s also recommendednot using Telnet-to-Serial access unless the device is on aprivate network and not accessible from the Internet.3. Do not use Telnet-to-Serial access for access over theInternet.4. An USB-to-Serial adaptor that uses an FTDI chipset isrequired to use Serial Redirect or a Cradlepoint productwith built-in serial port support.AT THE END OF2017 THERE WILLBE MORE THANONE BILLION LTECONNECTIONS.25. Serial Redirect is currently supported on the followingCradlepoint Routers: COR IBR600, COR IBR650, COR IBR1100,COR IBR1150, CBA750B, MBR1400 (requires hardwareversion 2), and the AER2100.CRADLEPOINT ADVANTAGESCradlepoint solutions are proven to deliver unparalleled ease of cloud-based deploymentand management, with industry leading security, analytics, and best-in-class, highavailability LTE integration. Cradlepoint solutions provide uncompromised 3G/4G/LTEwireless performance while delivering proven network system interoperability. Withboth integrated wireless WAN and non-integrated versions, the solutions are ideal fordistributed operations and emerging industries that require either remote connectivityor multi-WAN redundancy.AGILITY AND SPEED TO DEPLOYMENTCradlepoint solutions feature a fully integrated, enterprise-grade modem, so it is easyto set up a reliable, high-capacity, secure network instantly, and anywhere. 2015 Cradlepoint. All Rights Reserved. 1.855.813.3385 cradlepoint.com6

White Paper / Out-of-Band ManagementREMOTE MANAGEMENTWAN DIVERSITYLimit truck rolls with Enterprise Cloud Manager,which makes it simple to configure, updatefirmware, troubleshoot, and monitor data usageacross thousands of devices from a single,remote console.Cradlepoint offers WAN Diversity —theconvergence of wired and wireless on onenetwork—using dual cellular modems. Enterpriseshave the ability to deploy multiple wirelessbackup connections, load balance, and “Cut-theWire” for combined high-speed 4G LTE networksfrom diverse carriers, providing 99.99% uptime.OUT-OF-BAND MANAGEMENTCradlepoint provides secure remote accessto a remote router’s serial console port forconfiguration, troubleshooting, and managementover LTE wireless networks, along with providingbackup WAN connectivity as well as routerredundancy for the LAN via VRRP while ensuringhigh availability and ease-of-use.DATA OPTIMIZATIONCradlepoint solutions allow for monitoring datausage both at the router level and across theenterprise using Enterprise Cloud Manager.Monitor device statuses in real-time and setproactive alerts for optimized 3G/4G/LTE datausage and network uptime to avoid data overages.Leverage Enterprise Cloud Manager’s dynamicoptimization and self-configuration features toimprove quality of service.CLOUD-MANAGED SECURITYUpdate firmware and security configurationsremotely and en masse with Enterprise CloudManager. Cradlepoint’s sophisticated securityprotocols help enforce device visibility on thenetwork and are purpose-built for PCI Compliance.The platform’s Intrusion Detection and Preventionfunctionality scans packets for attacks, malware,and Denial of Service attacks that can be blockedbased on policy.SIMPLIFIED SECURITY ARCHITECTURESCreate up to five secure VPN tunnelssimultaneously, without the expense ofpurchasing a VPN service option. Improve easeof security configuration with Ethernet portsand WiFi SSIDs that can be individually assignedto specific network segments, or deploy parallelnetworks to keep sensitive data separate.SourcesGartner, “Increased Availability Through Best-in-Class Benchmarking and by Targeting causesof Downtime.” September 26, 20142“Forecast Analysis: Mobile Connection by Technology, Worldwide, 2010-2017,” Gartner.1LEARN MORE AT CRADLEPOINT.COM/FAILOVER 2015 Cradlepoint. All Rights Reserved. 1.855.813.3385 cradlepoint.com7

In the past, Network Administrators managing distributed . troubleshooting, and management over 3G/4G/LTE, along with providing a dependable backup WAN connection without the need to install expensive wireline circuits.

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