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Using the traceroute
Command
To display a list of routers between the device and a specified
destination host, enter the traceroute command with the following
syntax. Table 206 describes
the traceroute command options.
user@host> traceroute host <interface interface-name> <as-number-lookup> <bypass-routing> <gateway address> <inet | inet6> <no-resolve> <routing-instance routing-instance-name> <source source-address> <tos number> <ttl number> <wait seconds>
To quit the traceroute command, press Ctrl-C.
Table 206: CLI traceroute Command Options
|
Option
|
Description
|
|
host
|
Sends traceroute packets to the hostname or IP address you specify.
|
|
interface interface-name
|
(Optional) Sends the traceroute packets on the interface you
specify. If you do not include this option, traceroute packets are
sent on all interfaces.
|
|
as-number-lookup
|
(Optional) Displays the autonomous system (AS) number of each
intermediate hop between the device and the destination host.
|
|
bypass-routing
|
(Optional) Bypasses the routing tables and sends the traceroute
packets only to hosts on directly attached interfaces. If the host
is not on a directly attached interface, an error message is returned.
Use this option to display a route to a local system through
an interface that has no route through it.
|
|
gateway address
|
(Optional) Uses the gateway you specify to route through.
|
|
inet
|
(Optional) Forces the traceroute packets to an IPv4 destination.
|
|
inet6
|
(Optional) Forces the traceroute packets to an IPv6 destination.
|
|
no-resolve
|
(Optional) Suppresses the display of the hostnames of the hops
along the path.
|
|
routing-instance routing-instance-name
|
(Optional) Uses the routing instance you specify for the traceroute.
|
|
source address
|
(Optional) Uses the source address that you specify, in the
traceroute packet.
|
|
tos number
|
(Optional) Sets the type-of-service (TOS) value in the IP header
of the traceroute packet. Specify a value from 0 through 255.
|
|
ttl number
|
(Optional) Sets the time-to-live (TTL) value for the traceroute
packet. Specify a hop count from 0 through 128.
|
|
wait seconds
|
(Optional) Sets the maximum time to wait for a response.
|
Following is sample output from a traceroute command:
user@host> traceroute host2
traceroute to 173.24.232.66 (172.24.230.41), 30 hops max, 40 byte packets 1 173.18.42.253 (173.18.42.253) 0.482 ms 0.346 ms 0.318 ms 2 host4.site1.net (173.18.253.5) 0.401 ms 0.435 ms 0.359 ms 3 host5.site1.net (173.18.253.5) 0.401 ms 0.360 ms 0.357 ms 4 173.24.232.65 (173.24.232.65) 0.420 ms 0.456 ms 0.378 ms 5 173.24.232.66 (173.24.232.66) 0.830 ms 0.779 ms 0.834 ms
The fields in the display are the same as those displayed by
the J-Web traceroute diagnostic tool. For information,
see Traceroute Results and Output Summary.
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