Netgear GSM7328SNA 7000 Series Managed Switch Administration Guide for Softwar - Page 280

16. Tools 16 This chapter provides the following examples: • Traceroute • Configuration Scripting on page 282 • Pre-Login Banner on page 285 • Port Mirroring on page 286 • Dual Image on page 287 • Outbound Telnet on page 290 Traceroute This section describes the traceroute feature. Use traceroute to discover routes that packets take when traveling on a hop-by-hop basis to their destination through the network. • Tracerout maps network routes by sending packets with small time-to-live (TTL) values and watches the ICMP time-out announcements. • The tracerout command displays all L3 devices. • It can be used to detect issues on the network . • Tracerout tracks up to 20 hops. • The default UPD port is used 33343 unless you specify otherwise 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. Chapter 16. Tools | 280