Netgear GSM7352Sv1 7000 Series Managed Switch Administration Guide for Softwar - Page 267
Tools, Traceroute
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Chapter 18 Tools In this chapter, the following examples are provided: • "Traceroute" • "Configuration Scripting" on page 18-3 • "Pre-Login Banner" on page 18-5 • "Port Mirroring" on page 18-6 • "Outbound Telnet" on page 18-8 Traceroute This section describes the Traceroute feature. Use Traceroute to discover the routes that packets take when traveling on a hop-by-hop basis to their destination through the network. • Maps network routes by sending packets with small Time-to-Live (TTL) values and watches the ICMP time-out announcements • Command displays all L3 devices • Can be used to detect issues on the network • Tracks up to 20 hops • Default UPD port used 33343 unless modified in the traceroute command The following shows an example of using the traceroute command to determine how many hops there are to the destination. The command output shows each IP address the packet passes through and how long it takes to get there. In this example, the packet takes 16 hops to reach its destination. CLI:Traceroute (Netgear Switch) #traceroute? Enter IP address. (Netgear Switch) #traceroute 216.109.118.74 ? Press Enter to execute the command. Enter port no. (Netgear Switch) #traceroute 216.109.118.74 v1.0, November 2008 18-1