CLI Reference Guide-R02

Chapter 28 | IP Interface Commands
IPv6 Interface
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prints a series of asterisks and the “Request Timed Out” message. A long
sequence of these messages, terminating only when the maximum timeout
has been reached, may indicate this problem with the target device.
Example
Console#traceroute6 FE80::2E0:CFF:FE9C:CA10%1
Press "ESC" to abort.
Traceroute to FE80::2E0:CFF:FE9C:CA10%1/64, 30 hops max, timeout is 3
seconds, 5 max failure(s) before termination.
Hop Packet 1 Packet 2 Packet 3 IPv6 Address
--- -------- -------- -------- --------------------------------------------
1 <10 ms <10 ms <10 ms FE80::2E0:CFF:FE9C:CA10%1/64
Trace completed.
Console#
Neighbor Discovery
ipv6 hop-limit This command configures the maximum number of hops used in router
advertisements that are originated by this router. Use the no form to restore the
default setting.
Syntax
ipv6 hop-limit hops
no ipv6 hop-limit
hops - The maximum number of hops in router advertisements and all IPv6
packets. (Range: 1-255)
Default Setting
1
Command Mode
Global Configuration
Example
The following sets the hop limit for router advertisements to 64:
Console(config)#ipv6 hop-limit 64
Console(config)#