Cisco ASR 5500 Manuale di installazione - Pagina 24
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Using the traceroute or traceroute6 Command
• Attempt to ping a different device on the same network. If the ping was successful then it is likely that
• Verify the port is operational.
• Verify that the configuration of the ports and interfaces within the context are correct.
• If the configuration is correct and you have access to the device that you're attempting to ping, ping the
• If there is still no response, it is likely that the packets are getting discarded by a network device. Use
Using the traceroute or traceroute6 Command
The traceroute or traceroute6 command collects information on the route data will take to a specified host.
This is a useful troubleshooting command that can be used to identify the source of significant packet delays
or packet loss on the network. This command can also be used to identify bottle necks in the routing of data
over the network.
traceroute IPv4
The traceroute command has the following syntax:
traceroute {
max_ttl
src_host_name
For complete information on the above command, see the Exec Mode Commands chapter of the Command
Line Interface Reference.
The following displays a sample output.
traceroute to 192.168.250.1 (192.168.250.1), 30 hops max, 40 byte packets
1
traceroute6 IPv6
The traceroute6 command has the following syntax:
traceroute6 {
] [ port
src_host_ipv6_address
For complete information on the above commands, see the Exec Mode Commands chapter of the Command
Line Interface Reference.
The following displays a sample output.
traceroute6 to 2001:4A2B::1f3F (2001:4A2B::1f3F), 30 hops max, 40 byte packets
1
Troubleshooting
24
your system configuration is correct. Verify that the device you are attempting to ping is powered and
functioning properly.
system from that device.
the traceroute or traceroute6 and show ip static-route commands discussed in this chapter to further
troubleshoot the issue.
|
host_name
] [ minttl
min_ttl
|
src_host_ipv4_address
192.168.250.1 (192.168.250.1)
host_name
] [ size
port_number
}
]
2001:4A2B::1f3F (2001:4A2B::1f3F)
} [ count
host_ipv4_address
] [ port
port_number
}
]
[ timeout
0.446 ms
0.235 ms
|
} [ count
host_ipv6_address
] [ src {
octet_count
[ timeout
] [ vrf
seconds
0.446 ms
0.235 ms 0.178 ms
] [ df ]
packets
] [ size
] [ src {
octet_count
] [ vrf
seconds
vrf_nam
0.178 ms
]
[ maxttl
packets
|
src_host_name
]
vrf_nam
Troubleshooting
[ maxttl
]
max_ttl