traceroute

Syntax

traceroute [ vrf vrfName ] destination [ ttl maxTTLCount ]
[ timeout timeOutVal ] [ data-size sizeValue ]
[ source { interface interfaceType interfaceSpecifier | address sourceAddress } ]
[ extended [ tos tosVal ] [ set-dont-fragment-bit ] [ interface iType iNumber ]

traceroute ipv6 [ vrf vrfName ] destination [ hop-limit hopLimit ]
[ timeout timeOutVal ][ data-size sizeValue ] [ source { interface interfaceType interfaceSpecifier |
address sourceAddress } ] [ extended [ dscp trafficClass ] [ flow-label flowLabel ] ]

Release Information

Command introduced before JunosE Release 7.1.0.
vrf keyword and vrfName variable added to IPv6 version in JunosE Release 7.2.0.

Description

Discovers the paths that router packets follow when traveling to their destinations. There is no no version.

Options

• vrfName—Name of the VRF context; string of 1–32 alphanumeric characters
• ipv6—Specifies the destination address as IPv6 format
• destination—IP address, IPv6 address, or domain name of the trace
• hopLimit—Maximum number of hops of the trace in the range 1–255; default value is 32
• maxTTLCount—Maximum number of hops of the trace in the range 1–255; default value is 32
• timeOutVal—Time in seconds to wait for trace responses in the range 1–20; default value is 2
• sizeValue—Number of bytes comprising the IP packet and reflected in the IP header in the range 0–64000
• source interface—Specifies an interface as the source for the transmitted packets
  • interfaceType—Interface type; see Interface Types and Specifiers
  • interfaceSpecifier—Particular interface; format varies according to interface type; see Interface Types and Specifiers
• source address—Specifies an IP address as source for the transmitted packets
  • sourceAddress—IP address or domain name used as the source address
• extended—Specifies extended IP header attributes
  • tosVal—Value of the ToS byte
  • set-dont-fragment-bit—Specifies the don’t-fragment bit
  • iType—Interface type
  • iNumber—Interface location
  • trafficClass—Specifies the traffic class value to match in the Traffic Class field of each IPv6 packet header, in the range 1–255
  • flowLabel—Specifies the flow label value to match in the Flow Label field of each IPv6 packet header, in the range 1–1048576

Mode

Privileged Exec, User Exec