MARITIME TACTICAL WIDE AREA NETWORKING (MTWAN ...

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Uncontrolled copy when printedUNCLASSIFIEDANNEX A TOCHAPTER 12 TOACP 200(B) Vol 2NETWORK MANAGEMENT SOPINTRODUCTION1. The management of an MTWAN involves monitoring the operation of applicationservers (e.g. Domino, Sametime and mail servers), network servers (e.g. DNS and multicasttransport protocols), network devices (e.g. routers) and cryptographic equipment. NetworkManagement (NM) also includes the collection and analysis of network statistics to assist withtroubleshooting of network or application problems, network optimisation and future planning.AIM2. The aim of this Annex is to provide the standard operating procedures for managingan MTWAN Network.SCOPE3. NM services to be supported within a typical MTWAN will be limited to:a. Gathering LAN and WAN traffic statistics to support future planning andnetwork optimisation;b. Monitoring the health of network devices and application servers;c. Monitoring the operation of network services and C2 applications;d. Identifying network changes; ande. Troubleshooting network and application problems.NETWORK MANAGEMENT TOOLS4. Simple Network Management Protocol (SNMP), an Internet Protocol, is the principalmeans employed to conduct NM. SNMP defines a set of parameters that a network managercan query (Management Information Base), the format of NM messages and the rules bywhich these messages are exchanged. Openview and Network Node Manager from HP, TivoliNetview from IBM, Spectrum from Aprisma and WhatsUpGold from Ipswitch are commoncommercial tools that have been successfully employed in MTWANs. These tools havedifferent capabilities, and user interfaces. Selection and installation of NM tools will be anational issue.2A-1 OriginalUNCLASSIFIED
Uncontrolled copy when printedUNCLASSIFIEDACP 200(B) Vol2NETWORK MANAGEMENT STRATEGY5. A MTWAN NOC should be operated on a 24/7 basis. The network manager will beresponsible for the following:f. Configuration of routers, servers and user workstations;g. Installation of NM station;h. Installation of applications and network services;i. Configuration of WAN links including CAP/CRIU, radioj. Configuration of cryptographic equipment;k. Configuration of applications and network in support of EMCON; andl. Collection of local network statistics.6. Network statistics will normally include protocol distribution; packet and byte countssorted by protocol or by host, connection matrices, and error counts on different protocollayers.7. Unit network managers must ensure that network devices, application servers,clients, and WAN interfaces on the local network have been correctly configured and remainfunctional.8. NM stations will be capable of processing SNMP traps (unsolicited messages sent byan SNMP-enabled host indicating it is not fully operational) received from local hosts. TheNM stations are to be configured to automatically generate audible alarms and notificationmessages whenever a trap is received.9. The MTWAN NOC will manage AS Border Routers, network services (such asDNS, mail server, and multicast transport applications) and application servers (such asDomino and Sametime) for the MNTG.10. Performance of the local network and its hosts must be continuously monitored. Anautomatic alert will be generated when warning or critical threshold limits for the network(such as error rates) or computing resources (such as memory and disk space) have beenreached (or are being approached).11. Under the direction or co-ordination of the MTWAN NOC, unit network managerswill assist with the analysis and resolution of network and application problems as required.12. Network bottlenecks are most likely to occur on low speed RF links and thereforeNM traffic over these links must be kept to a minimum. A unit NM station shall only discoverand manage hosts on its local network. No traffic generated by the local automated NM2A-1 OriginalUNCLASSIFIED
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