traceroute

Traces the network path of packets as they are forwarded to a destination address.

Syntax

traceroute { ip-address | host-name | ipv6 [ ipv6-address| host-name ] } [ interface ] [ maxttl value ] [ minttl value ] [ src-addr src-addr ] [ timeout seconds ] [ vrf { mgmt-vrf | default-vrf |vrf-name } ]

Parameters

ip-address
Specifies the IP address of the destination device.
host-name
Specifies the hostname of the destination device.
ipv6 ipv6-address
Specifies the IPv6 address of the destination device.
interface
Selects the output interface.
maxttl value
Maximum Time To Live value in a number of hops.
minttl value
Minimum Time To Live value in a number of hops.
src-addr address
Specifies the IPv4 or IPv6 address of the source device.
timeout seconds
The traceroute timeout value.
vrf
Specifies a VRF on which to run a traceroute.
mgmt-vrf
Specifies the management VRF.
default-vrf
Specifies the default-vrf.
vrf-name
Specifies a VRF name.

Modes

Privileged EXEC mode

Examples

This example executes an IPv6 traceroute, with minimum and maximum TTL values.

device# traceroute ipv6 fec0:60:69bc:92:218:8bff:fe40:1470 
maxttl 128 minttl 30 src-addr fec0:60:69bc:92:205:33ff:fe9e:3f20 timeout 3
 
traceroute to fec0:60:69bc:92:218:8bff:fe40:1470 (fec0:60:69bc:92:218:8bff:fe40:1470), 
128 hops max, 80 byte packets 30  fec0:60:69bc:92:218:8bff:fe40:1470 
(fec0:60:69bc:92:218:8bff:fe40:1470)  2.145 ms  2.118 ms  2.085 ms