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nn48111-111_09.02_10.3_experius_as_product_description

nn48111-111_09.02_10.3_experius_as_product_description

142 Services and

142 Services and featuresSafe Remote/Local Ping and TraceroutePing is a network administration utility. Traceroute is a network diagnosticutility. The two utilities are used in detecting and solving network problems.For example, a user executes the ping command to send a request to thedestination host in order to test reachability. If the destination host isunreachable, the user executes the traceroute command to trace thenetwork path.The usefulness of the utilities is diminished, however, by the followingcharacteristics of the current versions of these utilities:• Native ping allows sending numerous requests in a short time interval.This can lead to the destination host being made out-of-service (pingedhost).• Native ping allows sending a large amount of data within a requestpacket. This can cause too much bandwidth to be consumed.• Native traceroute allows the discovery of network topology.Because of these problematic characteristics of the two utilities, and duealso to system security considerations, customers are hesitant to use theseutilities. The safePing and safeTraceroute utilities, introduced with thisfeature, correct these problems.Safe Remote/Local ping (safePing.pl)The safePing utility supports four existing options of native ping and theability to specify a remote host address for remote execution.There are two safePing command execution types:• safePing with command line parameters• safePing with CLISafe Remote/Local tracerouteThe safeTraceroute utility supports four options of native traceroute andthe ability to specify a remote host address for remote execution.There are two safeTraceroute command execution types:• safeTraceroute with command line parameters• safeTraceroute with CLIError types and troubleshootingThis feature also addresses errors created by users issuing ping andtraceroute commands. Such common operating errors are describedbelow.15 August 2014 EXPERiUS Application Server NN48111-111 09.02Copyright © 2010-2014 GENBAND. All Rights Reserved.

System Administration 143Invalid host addressThe remote host address is requested from the user when either thesafePing or the safeTraceroute command is executed on a remote. Theentered host address must be a valid IP address (version 4 or 6) or domainaddress; otherwise the active safePing utility exits and an error indicator israised.Invalid Command Option ValueThe safePing utility uses the four options, packet size, number of iterations,interval time, and timeout. The options are supported by native ping. ThesafeTraceroute utility uses the options, maximum hop number, timeout,delay, and number of probes per hop. The options are supported by nativetraceroute. Ranges for these options are specified in order to providesafety. If the entered value for an option is not in the specified range, theactive safePing or safeTraceroute utility exits and an error indicator israised.Invalid UserThe Safe ping and traceroute utilities can be executed by users who areassigned administrative (for example, ntsysadm), maintenance (forexample, ntappadm), or diagnostic (for example, ntdiagadm) roles. Onlythe root user is allowed to run the native ping and traceroute utilities.If a user who runs the safePing or safeTraceroute command is not amember of ntdiaggrp, the scripts exit with an error.15 August 2014 Product Description NN48111-111 09.02Copyright © 2010-2014 GENBAND. All Rights Reserved.

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