Reference v4.1.0 Instruction Manual

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1361

1324 Network OS Command Reference

53-1003115-01

traceroute

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

Synopsis traceroute dest-addr [src-addr src-addr]| [ipv6 dest-ipv6-addr]| host-name [maxttl value]

[minttl value] [timeout seconds] [vrf vrf-name]

Operands dest-addr Specifies the IPv4 address of the destination device.

src-addr address Specifies the IPv4 address of the source device.

ipv6 dest-ipv6-addr Specifies the IPv6 address of the destination device. This parameter is

valid only with the ping command.

maxttl value Maximum Time To Live value in a number of hops.

minttl value Minimum Time To Live value in a number of hops.

timeout seconds The traceroute timeout value.

vrf vrf-name When VRF is enabled, traceroute is available as a debugging tool.

Defaults None

Command Modes Privileged EXEC mode

Description Use this command to trace the network routes from a source address to a specified destination

address.

Usage Guidelines None

Examples To execute an IPv4 traceroute.

switch# traceroute 172.16.4.80

traceroute to 172.16.4.80 (172.16.4.80), 64 hops max

1 10.24.80.1 (10.24.80.1) 0.588ms 0.139ms 0.527ms

2 10.31.20.61 (10.31.20.61) 0.550ms 0.254ms 0.234ms

3 10.16.200.113 (10.16.200.113) 0.408ms 0.285ms 0.282ms

4 10.110.111.202 (10.110.111.202) 5.649ms 0.283ms 0.288ms

5 10.130.111.38 (10.130.111.38) 1.108ms 0.712ms 0.704ms

6 10.192.0.42 (10.192.0.42) 37.053ms 32.985ms 41.744ms

7 172.16.56.10 (172.16.56.10) 33.110ms 33.349ms 33.114ms

8 172.16.4.9 (172.16.4.9) 34.096ms 33.023ms 33.122ms

9 172.16.4.80 (172.16.4.80) 76.702ms 83.293ms 79.570ms

To execute an IPv6 traceroute, with minimum and maximum TTL values.

switch# 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