IP-FANOUT Virtual Network Application User`s Manual
Contents
1. IP FANOUT Embedded Network Processor Virtual Network Application 721 Route 202 206 Bridgewater NJ 08807 fax 908 218 1736 phone 908 218 0500 email sales datatekcorp com http www datatekcorp com User s Manual Version 2001 2 Angel Gomez D APPLICATIONS tariek INC DT 6061 IP FANOUT Application User s Manual CONTENTS INTRODUCTION E E E A E G 3 TYP SU OY NEN oaea E E 6 E E A 7 SUGGESTED REFERENC Ceci 8 TINT REACTS etc 9 COMMAND SET eres tees neater retest T 10 IP FANOUT MEASUREMENT S 15 E E 16 07 06 01 2 Datatek Applications Inc Introduction The IP GATE is a device that which provides for intelligent routing of selected Internet Protocol traffic on a WAN infrastructure The IP GATE is also an embedded function of the DT 4000 The intent is to extend the network presence of the home Internet Protocol network to a remote site Such a configuration may be depicted as the following N zm IP GATE In the diagram above the two IP clouds are actually a single cohesive network The notion of a sub network and separate masks for a remote installation is not required This allows the remote location of one or many Internet Protocol devices without regard to establishing an address to geographic location relat2. prompting the console user The user responds to a prompt for the name by typing the required lt value gt followed by newline Defaults are supplied in some cases so the user need only enter newline Commands may be entered in upper or lower case Parameters of the form name value may use upper or lower case for name Default values if any are shown in parenthesis as part of the prompt Case 15 not preserved for values Backspace erases one character Login Syntax login PASSWD lt password gt The login command is used to allow access to the other configuration commands The login command is only visible when the application is in the logged out i e secure mode The unit enters this mode whenever Jogout command is issued or when the Telnet to the application instance OA amp M TCP port is interrupted for any reason The password is not echo suppressed The password consists of up to seven alohanumeric characters Special characters are not allowed The default password is initial Logout Syntax logout The logout command is only allowed if the console user is logged in It uses no arguments It will set the console to the logged out mode 07 06 01 10 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual Change Password Syntax chgpass PASSWD lt old gt 55 lt gt CONFIRM lt new gt The chgpass command is used to change a user password on the system console T
3. snooper operates in verbose mode the IP header checksum is verified Should the packet be of the TCP protocol the TCP header is verified and the contents of TCP packet are decoded and displayed including any data Clear Measurements Syntax lt ALL HOME RMT lt gt gt The measurements displayed with the dmeas command are aggregated until cleared The clear command will set measurements to zero When the target is ALL both the home site and all of the remote site connection measurements are cleared When the target is HOME only the home site P GATE measurements are cleared When the target is RMT a range of remote sites indicates which IP GATE connections are to have the measurements cleared Prompt Labels Syntax label word no spaces NONE The prompt on the application console may be customized with a label up to eight characters in length The value of none deletes any existing label on the prompt The current configuration is displayed during a verify configuration by invoking the label command without arguments or merely by the prompt display 07 06 01 13 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual Application Comments Syntax comment L1 Any Comment L2 Any Comment L3 Any Comment The IP FANOUT application may have comments which are displayed with the verity configuration command Up to three lines of co
4. for the longer of the remaining original warranty period or 90 days Author Angel Gomez Phd Angel datatekcorp com TeleComp worldnet att net Copyright 2001 TeleComp Inc All Rights Reserved Printed in USA 07 06 01 1 16 Datatek Applications Inc
5. NOUT application One Data Center per instance of the IP FANOUT application Up to 30 instances of the IP FANOUT application may be present on the same DT 6061 1 Configuration Console is available to be used by the IP FANOUT administrator for diagnostic and measurement purposes The IP FANOUT application is self configuring and does not require any initial setup information Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual Suggested Reference The following documents are resident at http www datatekcorp com under the documentation button 07 06 01 DT 6061 Platform User s Describes the DT 6061 Embedded Manual Network Processor infrastructure and command set This includes configuration information hardware specifications and SNMP MIB support The DT 6061 is the infrastructure on which the Virtual Console application shall reside IP GATE User s Manual Describes the stand alone IP GATE interface device DT 4000 User s Manual Describes the DT 4000 multi protocol access device The DT 4000 is used as the interface for physical serial connections and for the IP GATE interface connections DT 6061 Redundant Operation Describes the method of operating the White Paper DT 6061 in a 1 1 sparing configuration Note This paper is not posted on the above site Contact the author for a copy via email Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual I
6. P FANOUT Interfaces The TCP port numbers associated with a DT 6061 application are normally referenced by which instance the application is installed The IP FANOUT may be installed any of the 30 instances of the DT 6061 Consult the DT 6061 infrastructure manual for information on how to install an application The TCP Numbers associated with the IP FANOUT application instance are as follows TCP Port hall 10000 Instance Administration of the IP FANOUT application This is the standard configuration TCP port number for a DT 6061 application For example instance 1 15 10001 instance 2 15 10002 and so on Connections to this TCP port are made via a Telnet client Home 30000 There is a single IP GATE port that IP GATE 200 Instance represents the home or data center network connection Remote 30000 There are up to 64 remote offices IP GATE 200 Instance supported on each instance of the sal Office IP FANOUT application All remote offices each connect to a unique TCP port number 07 06 01 9 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual IP FANOUT Command Set Input Conventions All parameters may be given on the command line Parameters of the form name lt value gt may be given in any order For several complex commands listed below missing parameters or corrections of errors in given parameters of the form name lt value gt are collected by
7. ave more than one 6061 in any given network Consider the Following Diagram Data Center I _ _ DT 6061 With 10 100 BaseT HUB Application IP FANOUT DT 4000 if ie A G 0 DT 4000 In the diagram above each remote office contains a DT 4000 providing the IP connectivity If there is any other Internet Protocol equipment at the remote site a generic unmanaged hub is used to attach that equipment to the private network The traffic is routed through the modem set to the DT 6061 IP FANOUT application The traffic is then routed to the Data Center Internet Protocol network In the converse direction traffic that is destined for the remote offices are forwarded by a DT 4000 IP GATE port to the IP FANOUT application The IP FANOUT uses acquired routing information to forward the traffic to the specific offices addressed The IP FANOUT acquires the routing information directly from the IP GATE connections That is no configuration is ever required 07 06 01 6 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual IP FANOUT Features This section defines the features of the IP FANOUT application This is done as a list but some features require further elaboration 07 06 01 Up to 64 remote offices per instance of the IP FA
8. he command 15 only allowed if the user is logged in All three parameters must be given on the same line as the command None of those entries are echo suppressed lf the current password is valid and the two entries for the new password match the password Is changed to the new value Help Syntax help Command The help command is always visible The help command displays the currently allowed commands for the mode that the unit is currently entered The alternate command for help is a question mark Version Syntax ver The version command is only visible when the application is logged in The command has no arguments It displays the current software and database revisions of the application Verify of Configuration Syntax vfy The vfy command is only visible when the application is logged in The command is used to verify the parameters of the IP FANOUT instance such as the instance number the IP address of the DT 6061 and other relevant information Display of Measurements 07 06 01 11 Datatek Applications Inc ALL to indicate the entire allowed numeric range The dmeas command will display all connections with a target of ALL Only the home site IP GATE connection is displayed with a target of HOME For remote site IP GATE connections the target of RMT is used with a range of connections When measurements are displayed via the dmeas command and more than a single entity has been specified only n
9. ionship In some cases the wide area transport network is itself an Internet Protocol network Such a configuration would provide security for users of the private network being transported Devices on the public network may blocked from access to the private network Consequently it is possible to have a completely different address scheme for the private network Such a virtual private network is shown below DT 6061 IP FANOUT Application User s Manual Home Office 10 100 BaseT HUB DT 4000 10BaseT DT 4000 10 100 BaseT Sync Async In the private network established above a public Internet Protocol service network is used for transport The only addresses visible on the public network is that of the DT 4000s which interface to that network The private Internet Protocol network is routed on the IP GATE ports of the DT 4000s individually to each remote office Most WAN infrastructures use transparent HDLC framing and support point to point connections with IP GATE devices In fact using a public IP network results in point to point connections as well There are a large number of situations where a single home office is required to export portions of its network to many remote offices Further the home location may wish to use a one or a small number of IP GATE interfaces to accomplish the virtual private network When such a situation occurs there is an additional component that a
10. llows one to many connectivity That component is the IP FANOUT application to the DT 6061 Consider the following diagram X 07 06 01 4 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual Data Center 10 100 BaseT HUB DT 6061 With IP FANOUT Application 000 DT 4 As depicted above the private network can use one or more completely different network technologies Mediation between an Internet Protocol network and an Datakit BNS network is accomplished either by a UMI or a pair of DT 4000 ports when the DT 4000 is simultaneously supporting both networks The equipment in the remote office remains the same regardless of the network used A DT 4000 directly supports a Datakit BNS network without mediation A TDM connection merely requires the terminating modem set Finally the IP WAN may terminate directly on the DT 4000 The IP FANOUT application allows many remote offices to be a cohesive network with the data center 07 06 01 5 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual Typical Deployment In this section a typical deployment of the IP FANOUT application is discussed The typical deployment is to provide a presence of the Internet Protocol network into offices that have no such connectivity An existing four wire modem set is typically used Since the IP FANOUT application can handle a large number of remote offices there may not a need to h
11. mments are available Each line may have a comment up to 64 characters in length Each comment is double quoted to allow for spaces to be embedded A comment with no characters i e is used to delete a comment which is not desired It is not necessary to delete prior to adding a new comment The new comment shall replace the existing comment at the line specified 07 06 01 kj 14 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual IP FANOUT Measurements This section itemizes the measurements available using the display measurements dmeas command The base measurements are always displayed and the error and exception counters are only displayed 1 nonzero The measurements are per console and per administrator The measurements available are as follows Measurement Description Type Number of Bytes Received Number of Bytes Transmitted Number of IP Packets Received Base Number of IP Packets Transmitted Number of Route Requests Sent to a Remote IP GATE Non Zero Number of Route Responses received from a remote IP GATE Non Zero Number of Packets dropped due to flow control in the network Non Zero X 07 06 01 1 1 Datatek Applications Inc DT 6061 IP FANOUT Application User s Manual Warranty The warranty period for hardware shall be one year from the date of delivery and the warranty for software shall be 90 days from the date of delivery Replacements and repairs are guaranteed
12. on zero entries are actually displayed Displaying Current Connections Syntax dc The dconn command is used to display all of the current connections into the IP FANOUT application Please note that the command does not require any arguments The command will issue a report that shows the connection peer for each active connection Snooping on Traffic Syntax snoop OFF ALL HOME RMT lt ALL lt Range gt gt VERBOSE The IP FANOUT application has a diagnostic ability to snoop on any of interfaces which carry data This is done with the snoop command All output is directed to the OA amp M connection lf the command is invoked with no arguments it produces a report of all active snooper configurations If the command is invoked with the OFF option all of the active snooper configurations are disabled DT 6061 IP FANOUT Application User s Manual lf the command is invoked with the ALL option the IP GATE connections to the home site and every remote site is simultaneously enabled If the command is invoked with the HOME option the IP GATE connection to the home network is snooped If the command is invoked with the RMT lt Range gt option the IP GATE connection to the remote site s specified is snooped lt Range gt may single remote site e g a set of remote sites e g 3 5 or all remote sites i e all The command also takes an optional argument for verbose operation When the
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