Unable To Run Traceroute; Unable To Run Tftp; Unable To Run Telnet - 3Com 4500 PWR 26-Port Configuration Manual

S olution
Check that the IPv6 addresses are configured correctly.
Use the display ipv6 interface
destination and the link
Use the display ipv6 route-table command to verify that the destination is reachable.
Use the ping ipv6 -t timeout { destination-ipv6-address | hostname } [ -i interface-type
interface-number ] command to increase the timeout time limit, so as to determin
to the timeout limit is too small.

Unable to Run Traceroute

S ymptom
Una ble to trace the route by performing traceroute operations.
Solution
Check that the destination host can be pinged.
If the h ost can be pinged through, check whether the UDP port that was included in the tracert ipv6
command is used by an application on the host. If yes, you need to use the
with an unreachable UDP port.

Unable to Run TFTP

S ymptom
Una ble to download and upload files by performing TFTP operations.
Solut ion
Check that the ro
Check that the file system of the device is usable. You can check it by running the dir command in
user v iew.
Check that the ACL configured for the TFTP server does not block the con
server.

Unable to Run Telnet

Symp tom
Unable to login to Telnet server by performing Telnet operations.
Solution
Check that the Telnet server application is running on the server. Check the configuration allows
the server reachable.
Check that the route between the device and the TFTP server is up.
command to determine the interfaces of the source and the
-layer protocol between them are up.
ute between the device and the TFTP server is up.
69-6
e whether it is due
tracert ipv6 command
nection to the TFTP