Dell MX5108n OS10 Enterprise Edition User Guide for PowerEdge MX IO Modules Re - Page 701
Syntax, Parameters, Default, Command Mode, Usage Information, Example
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traceroute Displays the routes that packets take to travel to an IP address. Syntax Parameters traceroute [vrf management] host [-46dFITnreAUDV] [-f first_ttl] [-g gate,...] [-i device] [-m max_ttl] [-N squeries] [-p port] [-t tos] [-l flow_label] [-w waittime] [-q nqueries] [-s src_addr] [-z sendwait] [--fwmark=num] host [packetlen] • vrf management- (Optional) Traces the route to an IP address in the management VRF instance. • host - Enter the host to trace packets from. • -i interface - (Optional) Enter the IP address of the interface through which traceroute sends packets. By default, the interface is selected according to the routing table. • -m max_ttl - (Optional) Enter the maximum number of hops (maximum time-to-live value) that traceroute probes (default 30). • -p port - (Optional) Enter a destination port: - For UDP tracing, enter the destination port base that traceroute uses (the destination port number is incremented by each probe). - For ICMP tracing, enter the initial ICMP sequence value (incremented by each probe). - For TCP tracing, enter the (constant) destination port to connect. - -P protocol - (Optional) Use a raw packet of the specified protocol for traceroute. Default protocol is 253 (RFC 3692). - -s source_address - (Optional) Enter an alternative source address of one of the interfaces. By default, the address of the outgoing interface is used. - -q nqueries - (Optional) Enter the number of probe packets per hop (default 3). - -N squeries - (Optional) Enter the number of probe packets that are sent out simultaneously to accelerate traceroute (default 16). - -t tos - (Optional) For IPv4, enter the Type of Service (TOS) and Precedence values to use. 16 sets a low delay; 8 sets a high throughput. - -UL - (Optional) Use UDPLITE for tracerouting (default port is 53). - -w waittime - (Optional) Enter the time (in seconds) to wait for a response to a probe (default 5 seconds). - -z sendwait - (Optional) Enter the minimal time interval to wait between probes (default 0). A value greater than 10 specifies a number in milliseconds, otherwise it specifies a number of seconds. This option is useful when routers rate-limit ICMP messages. - --mtu - (Optional) Discovers the MTU from the path being traced. - --back - (Optional) Prints the number of backward hops when it seems different with the forward direction. - host - (Required) Enter the name or IP address of the destination device. - packet_len - (Optional) Enter the total size of the probing packet (default 60 bytes for IPv4 and 80 for IPv6). Default Command Mode Usage Information Example Not configured EXEC None OS10# traceroute www.dell.com traceroute to www.dell.com (23.73.112.54), 30 hops max, 60 byte packets 1 10.11.97.254 (10.11.97.254) 4.298 ms 4.417 ms 4.398 ms 2 10.11.3.254 (10.11.3.254) 2.121 ms 2.326 ms 2.550 ms 3 10.11.27.254 (10.11.27.254) 2.233 ms 2.207 ms 2.391 ms Troubleshoot OS10 701