System Management 417
traceroute
The traceroute User EXEC mode command discovers routes that packets actually take when traveling to
their destination.
Syntax
•
traceroute
ip-address
|
hostname
[
size
packet_size
] [
ttl
max-ttl
] [
count
packet_count
] [
timeout
time_out
] [
source
ip-address
] [
tos
tos
]
•
traceroute
ipv6
{
ipv6-address
|
hostname
} [
size
packet_size
] [
ttl
max-ttl
] [
count
packet_count
]
[
timeout
time_out
] [
source
ip-address
] [
tos
tos
]
•
ipv6
— IPv6 checks the network connectivity.
•
ip4-address —
Destination host IPv4 address. (Range: Valid IP Address)
•
ip6-address —
Unicast or multicast IPv6 address to ping. When the IPv6 address is a Link Local
address (IPv6Z address), the outgoing interface name must be specified. Refer to the usage
guidelines for the interface name syntax.
•
hostname —
Host name of the destination host. (Range: 1 - 158 characters)
•
packet_size —
Number of bytes in a packet. (Range: 40 - 1500)
•
max-ttl —
The largest TTL value that can be used. The
traceroute
command terminates when the
destination is reached or when this value is reached. (Range: 1 - 255)
•
packet_count —
The number of probes to be sent at each TTL level. (Range: 1 - 10)
•
time_out —
The number of seconds to wait for a response to a probe packet.
(Range: 1 - 60)
Console> ping yahoo.com
Pinging yahoo.com (66.218.71.198) with 64 bytes of data:
64 bytes from 10.1.1.1: icmp_seq=0. time=11 ms
64 bytes from 10.1.1.1: icmp_seq=1. time=8 ms
64 bytes from 10.1.1.1: icmp_seq=2. time=8 ms
64 bytes from 10.1.1.1: icmp_seq=3. time=7 ms
----10.1.1.1 PING Statistics----
4 packets transmitted, 4 packets received, 0% packet loss
round-trip (ms) min/avg/max = 7/8/11
book.book Page 417 Thursday, December 18, 2008 7:40 PM
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